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D0095 User Guide Volume 2 - Technical Guide

1. J1219 is earlier than the Effective from Settlement Date of last MPAS data J1167 on the D0095 this would suggest that a CoS reading has not yet been processed 7 November 2013 Version 5 0 ELEXON 2013 Page 25 of 45 First EAC of Registration associated with old Supplier On change of Supplier some NHHDCs will incorrectly associate the first EAC with the old Supplier These exceptions are usually transient because once an AA is submitted it should be correctly attributed to the new Supplier Such exceptions will normally have identical Effective from Settlement Date of last Data Collector Data J1219 and Effective from Settlement Date of last MPAS Data 31167 dates on the D0095 Under these circumstances the NHHDC sends the correct consumption value i e the EAC but labelled with the incorrect Supplier The NHHDA will however attribute the EAC to the Supplier registered in SMRS i e the correct Supplier Thus the correct consumption will be attributed to the correct Supplier The risk to Settlement of withdrawing and then re submitting the consumption data outweighs the benefit to Settlement of doing so Therefore in this scenario it would be reasonable to judge that the exception is immaterial and not attempt to resolve it If this type of transient exception has not cleared ahead of the RF Run however this would suggest that no subsequent AA has been processed The Supplier might wish to target such Mete
2. If the NHHDC associated with the E03 exception has been appointed at some time during the Registration effective on the AA Effective From Settlement Date but the NHHDA reporting the exception is not the correct NHHDA e g is the old NHHDA following a change of NHHDA ensure that NHHDC has been notified of the correct NHHDA via the D0148 Send a revised D0148 if required or if the D0148 shows the correct NHHDA refer to the NHHDC to investigate Failed NHHDC de appointment on concurrent change of NHHDC and NHHDA If the NHHDC associated with the E03 exception should not have been appointed on the AA Effective From Settlement Date check whether a D0151 has been sent and if not send one If a D0151 has been sent request an investigation by the NHHDC into why the D0151 has not been actioned Failed NHHDA appointment If the NHHDA reporting the E03 exception is the intended NHHDA on the AA Effective From Settlement Date ensure that the D0205 to SMRS notifying the NHHDA appointment has been sent and has not been rejected i e check for a D0203 from the SMRS and resolve If no D0203 refer to the intended NHHDA to check for a failed D0209 NHO1 instruction and request that a D0023 flow is sent to the SMRS if it has not already been sent If the NHHDA confirms that a D0023 has been sent to SMRS refer to SMRS for resolution 7 November 2013 Version 5 0 ELEXON 2013 Page 12 of 45 Withdrawal of superfluous consumption data Whilst
3. the Supplier for the latest NHHDA appointment starting on or before the start of the Supplier registration according to NHHDC y is not Supplier x e this difference occurs within the Settlement Date range specified for reporting The E14 is only raised for the period where it overlaps the SMRS Supplier Registration and either the NHHDC has supplied an AA effective within that Registration or The NHHDC has supplied an EAC starting on or after the second day of that Registration 3 14 2 Impact If the new Supplier has registered the Metering System in error there will be an impact in terms of the customer not wishing to change Supplier There will also be a material impact if the SMRS view of the current Supplier in NHHDA is different to that in SMRS i e there has been a failure in the SMRS NHHDA interface as energy will be incorrectly attributed to the old Supplier Otherwise a Supplier inconsistency does not create an immediate Settlement error as the energy will be allocated to the Supplier registered in SMRS However there are potential further impacts on Suppliers such as a customer on two walk orders Additionally agents may be acting for and expecting payment from a Supplier that is not registered against the Metering System in SMRS 3 14 3 Assessment An E14 is always immaterial except when the SMRS registered Supplier is incorrect Such failures occur in very low numbers so it is advisable to treat all E14 exceptions
4. Bon adane D0095 User Guide Volume 2 Technical Guide Overview or Purpose of Document Provides guidance for Suppliers on the resolution of Non Half Hourly Data Aggregation exceptions Target Audience Suppliers and Supplier Agents Contents 1 Introduction csoda e E a Na aaoieidadalons 2 2 DO095 SUMMA iiics AAA EA A E RANE 3 3 EXCEPTIONS onca Re N 5 APPENDIX A Index of DTC flows referenced by Volume 2 of the User Guide 44 7 November 2013 Version 5 0 ELEXON 2013 Page 1 of 45 1 Introduction 1 1 Purpose The Non Half Hourly Data Aggregation Exception Report D0095 provides Suppliers with details of anomalies in the data provided to Non Half Hourly Data Aggregators NHHDA by Non Half Hourly Data Collectors NHHDC and Supplier Meter Registration Agents SMRA The objective of this guide is to provide assistance to Suppliers and NHHDCs in addressing D0095 exceptions 1 2 Scope The User Guide is not intended to be a definitive reference to all the circumstances that can give rise to D0095 exceptions Nor does it provide an exhaustive list of the corrective actions required to resolve D0095 exceptions Rather it provides advice to Suppliers on the processes that need to be put into place in order to effectively manage the resolution of exceptions as well as looking at common causes of exceptions and how best to resolve them It is hoped that Suppliers and NHHDCs will use this guide as a starting
5. Check whether the D0055 to SMRS was sent in error If so this would imply that the old Supplier has failed to de appoint the NHHDC or that the E08 is being reported on the basis of the Supplier Id on the latest EAC from the NHHDC If the wrong MSID has been entered when registering in SMRS the MRA procedure for resolving Erroneous Transfers Reference 1 will need to be invoked if the Metering System isn t already subject to the process The D0095 exception will not be reported in time to resolve the error via a Co operative Objection In the meantime agents will need to be appointed as above Whilst outside the scope of resolving the E08 exception the Supplier may still need to register the intended MSID Failure to notify NHHDC of NHHDA If a D0155 flow has been sent to the NHHDC and has been accepted ensure that a D0148 has been sent to the NHHDC notifying the identity of the NHHDA 3 8 5 Notes and Tips In general unless the SMRS registration or contractual appointments are in error E08 exceptions are largely transient The risk to Settlement of addressing transient E08 exceptions is likely to outweigh the benefits As such Suppliers should concentrate on reducing the number of E08 exceptions by seeking to resolve the underlying Change of Supplier and Change of Agent process issues that give rise to them 7 November 2013 Version 5 0 ELEXON 2013 Page 27 of 45 3 9 E09 Inconsistent Measurement Class 3 9 1 Descripti
6. D0213 Advice from MPAS of Changed Metering Point Details D0217 Confirmation of the Registration of a Metering Point D0221 Notification of Failure to Install or Energise Metering System D0235 Half Hourly Aggregation Exception Report D0238 Request and Information for Revenue Protection Investigation D0260 Notification from MPAS of Old Supplier Registration Details D0261 Rejection of Agent Appointment D0310 Notification of failure to load or receive Metering System Settlement Details 7 November 2013 ELEXON 2013 Version 5 0 Page 44 of 45 Further Information gt BSC Section S Supplier Volume Allocation gt BSCP504 Allocation of Profile Classes amp SSCs for Non Half Hourly SVA Metering Systems Registered in SMRS gt D0095 User Guide Volume 1 Process Management Guide gt D0095 User Guide Volume 2 Technical Guide gt MRA Agreed Procedure The Procedure for Resolution of Erroneous Transfers MAP10 gt MRA Working Practice Product Set WPPS WP122 NHH New Connection Obligations Contact Details Jon Spence Tel 020 7380 4313 Email jonspence elexon co uk Need more information For more information please contact the BSC Service Desk at bscservicedesk cgi com or call 0870 010 6950 Intellectual Property Rights Copyright and Disclaimer The copyright and other intellectual property rights in this document are vested in ELEXON or appear with the consent of the copyright owner These mate
7. request an investigation by the NHHDC into why the D0151 has not been actioned Failed NHHDA appointment If the NHHDA reporting the E04 exception is the intended NHHDA on the EAC Effective From Settlement Date ensure that the D0205 to SMRS notifying the NHHDA appointment has not been rejected i e check for a D0203 from the SMRS and resolve If no D0203 refer to the intended NHHDA to check for a failed D0209 NHO1 instruction and request that a D0023 flow is sent to the 7 November 2013 Version 5 0 ELEXON 2013 Page 15 of 45 SMRS if it has not already been sent If the NHHDA confirms that a D0023 has been sent to SMRS refer to SMRS for resolution Withdrawal of superfluous consumption data Whilst any NHHDA appointment or NHHDC de appointment issues need to be resolved there is little benefit in withdrawing any superfluous consumption as this will not be used by the NHHDA 3 4 6 Notes and Tips A significant proportion of the D0095 exceptions in the market are E04 exceptions with a significant proportion of these believed to have no Settlement materiality 7 November 2013 Version 5 0 ELEXON 2013 Page 16 of 45 3 5 E05 Non Zero AA for De energised Metering System 3 5 1 Description Primary Objective To identify a non zero AA whilst a Metering System is de energised Brief Description This exception is raised when a Metering System has a non zero AA whilst it is de energised according to NHHDC The except
8. sub sections consist primarily of a series of checks that the Supplier can make in order to determine the cause of an exception Suppliers are likely to perform a sub set of these checks and to add checks of their own based on the local configurations of systems Suppliers will also need to determine the sequence in which these checks are performed Less time will be required for analysis if the most common causes of exception are tested for first Good quality metrics on the breakdown of exceptions by cause will facilitate the development of efficient local procedures These procedures will also need to be reviewed periodically as root causes are addressed and the most common causes change Where possible controls should be applied to the failing business processes that give rise to D0095 exceptions rather than being applied for diagnostic purposes as part of the D0095 resolution process For example controls to ensure that all D0155 appointment flows have a matching acceptance D0011 of rejection D0261 flow will prevent exceptions occurring If these controls are robust checking D0011 D0261 flows will assume a lesser importance within the D0095 resolution process 2 2 1 A Note on Terminology The NHHDA database stores data received from SMRS and from NHHDCs in different databases tables Data received from different NHHDCs is held independently in the NHHDC tables Where this User Guide refers to data items according to NHHDC or SMRS
9. NHHDC appointment but the cancellation of the NHHDA appointment by SMRS has been unsuccessful In this case there is the potential for double counting of the Metering System in Settlement There may be subsequent processing issues if the E01 has arisen from a failure by the Supplier to provide an Initial EAC via the D0052 flow or the NHHDC has been unable to process a D0052 or D0152 The calculation of the first AA for the Metering System or SSC requires a previous EAC value in order to calculate a forward EAC Unless the NHHDC is able to substitute a class average EAC in these circumstances the absence of an Initial EAC will also prevent the calculation of subsequent AAs 7 November 2013 Version 5 0 ELEXON 2013 Page 5 of 45 3 1 3 Related Exceptions If a NHHDC has sent consumption data to the wrong NHHDA this may result in a Supplier receiving an E01 exception from one NHHDA and an E03 E04 from another NHHDA 3 1 4 Assessment An E01 is always material except where the NHHDA is the subject of a failed de appointment instruction from the SMRS to the NHHDA Such failures occur in very low numbers so it is advisable to treat all E01 exceptions as material 3 1 5 Analysis Correction Registration of Incorrect Metering System Check whether the D0055 to SMRS was sent in error If the wrong MSID has been entered when registering in SMRS the MRA procedure for resolving Erroneous Transfers Reference 1 will need to be invoked
10. as immaterial 3 14 4 Analysis and Correction Failed Registration If the Effective from Settlement Date of last DC data J1159 is later than the Effective from Settlement Date of last MPAS data J1167 and the Metering System is gained or is believed to have been gained from another Supplier with effect from the J1159 this would suggest that the appointed NHHDC has processed consumption data but that there has been a problem registering the Metering 7 November 2013 Version 5 0 ELEXON 2013 Page 42 of 45 System in SMRS Check that the SMRS registration was successful i e that a D0055 was sent that a D0217 was received confirming the Registration and no D0093 was received notifying that an objection was not removed by the time of the expiry of the objection resolution period If the SMRS registration was unsuccessful back out the NHHDC appointment The customer facing implications of the failed registration i e the fact that a customer wanted to change Supplier are outside the scope of D0095 resolution for Settlement purposes but will need to be considered Failed NHHDA appointment If the SMRS registration was successful but the Effective from Settlement Date of last MPAS data 31167 on the D0095 is not equal to the Supply Start Date confirmed on the D0217 this would suggest that the D0209 from SMRS notifying the NHHDA of the appointment to the new Supplier has failed Refer to the intended NHHDA to che
11. change of NHHDA may never have taken place or have been backed out for example as the result of an upheld objection to a change of Supplier The NHHDC may have been incorrectly informed about a change of NHHDA or not informed of a backed out change of NHHDA Check D0148 flows sent to the NHHDC and send a corrective flow as necessary Subsequent consumption data from the NHHDC should clear the exception Failed change of NHHDC The NHHDC may have been de appointed in error or SMRS has not been updated following a change of NHHDC If the NHHDC was de appointed on the effective to date of the AA the EAC may not have been sent to the NHHDA reporting the exception Check whether a change of NHHDC has been initiated with effect from the First Settlement Date With No Data as notified in the D0095 If a D0151 has been sent de appointing the NHHDC in error re appoint the NHHDC by sending a revised D0155 or by other agreed method If the NHHDC has been correctly de appointed check for a D0205 notifying SMRS of the new NHHDC If not sent send Otherwise check for a D0203 from the SMRS notifying a failed D0205 and resolve If no D0203 received refer to the NHHDA to check for a D0209 NHO1 instruction terminating the earlier appointment which has failed and request that a D0023 flow is sent to the SMRS if it has not already been sent If the NHHDA confirms that a D0023 has been sent to SMRS refer to SMRS for resolution Change of Meter wi
12. check whether a D0052 has been sent to the NHHDC notifying an Initial EAC and if not send one If a D0052 has already been sent the NHHDC may have been unable to process it or may have failed to generate a corresponding D0019 flow or the NHHDA may have failed to process the D0019 i e a D0023 has been generated Check for a D0310 flow from the NHHDC and action as appropriate New Connections installed after the Supply Start Date For new connections determine when the meter was installed from the D0150 and D0010 from the Meter Operator If the meter was installed later than the Supply Start Date SSD and the SMRS has appointed the NHHDA from the SSD ensure that the Metering System is registered as de energised in SMRS for the period between the SSD and the installation date of the meter by sending a D0205 if necessary To avoid an E012 exception the Supplier should ensure via the Meter Operator that the NHHDC registers the Metering System as de energised for this period This issue should only arise where the MPAS system requires the NHHDA appointment to be aligned with the SSD as described in MRA Working Practice WP122 reference 2 Where the MPAS system allows the NHHDA to be appointed from a date later than the SSD there will be a gap in the consumption data between SSD and the installation date but there will be no NHHDA appointed for this period to report a D0095 exception No consumption data will be provided for the perio
13. confirmation from the MOA of whether the Metering System was energised i e via a D0139 D0179 or D0221 Request that the MOA also sends a D0139 D0179 to the NHHDC if appropriate Energisation Status change confirmed but SMRS not updated successfully If a D0139 D0179 confirming that the Metering System is energised has not been processed send a D0205 to SMRS correcting the Energisation Status Request the NHHDC to correct the Energisation Status Please note that it is unlikely that both the Supplier and NHHDC have independently failed to 1 The D0095 exception reports the AA Effective From Settlement Date The reading that needs to be checked is that taken on the date following the Effective To Date of this AA Thus both the AA EAC and reading histories need to be available in order to effectively review the exception 7 November 2013 Version 5 0 ELEXON 2013 Page 18 of 45 process a D0139 D0179 flow It is more likely that the MOA has not sent a D0139 D0179 to either the Supplier or NHHDC Energisation Status change not requested If no D0134 D0180 sent or D0139 D0179 received request an investigation by the NHHDC If notified by the NHHDC that the non zero consumption is correct request a Metering System investigation by the MOA via a D0001 or as otherwise agreed If MOA confirms that the Metering System is energised via a D0002 D0139 D0179 or as otherwise agreed send a D0205 to SMRS correcting the Energisation Status a
14. will still need to be carried out Having determined the appropriate Profile Class establish whether the SMRS or NHHDC holds the incorrect details If SMRS appears to hold an incorrect value check for any corrections made to the Profile Class in SMRS by previous Suppliers via the D0213 If a previous Supplier has reached the same conclusion about which is the correct Profile Class this would reinforce the decision to amend the SMRS value 3 11 6 Correction If the SMRS view is incorrect check whether a D0205 has been sent to SMRS notifying the required Profile Class change and if not send one If the inconsistency in Profile Class pre dates the start of the current Registration amend the Profile Class with effect from the Supply Start Date If the inconsistency in Profile Class pre dates the latest Settlement Date subject to a Final 7 November 2013 Version 5 0 ELEXON 2013 Page 33 of 45 Reconciliation Run select an appropriate date not yet subject to Final Reconciliation from which to amend the Profile Class if a D0205 has been sent check whether a D0203 has been received from the SMRS rejecting it and if so re send having resolved the problem that caused the original D0205 to be rejected if a D0205 has been sent and no D0203 has been received request that SMRA investigates whether the instruction has failed D0023 and performs a selective refresh if required e if the selective refresh is unsuccessful d
15. A will not be used in Settlement Where the EAC is sent to an incorrect NHHDA instead of to the correct NHHDA the misdirected EAC will be ignored There will usually be an associated E01 E02 or E06 exception which in turn will result in the use of a Default EAC Where the EAC is sent to the correct NHHDA but the appointment of the NHHDA has failed data will be missing from Settlement 3 4 3 Related Exceptions E03 An E04 exception will depending on the circumstances that gave rise to it be reported in conjunction with an E03 AA with no NHHDA appointment 7 November 2013 Version 5 0 ELEXON 2013 Page 14 of 45 Where an AA overlaps a change of NHHDA usually when there is a change of NHHDA with no concurrent change of Supplier and the NHHDC has incorrectly sent both the AA and associated EAC to both the old and new NHHDA an E04 will be reported by the old NHHDA 01 Where the NHHDC has sent an EAC to the wrong NHHDA the incorrect NHHDA will report an E04 and an E01 exception may be raised by the correct NHHDA However this will only be the case where the NHHDA has not previously been appointed to the Metering System or did not receive any consumption during an earlier appointment If the NHHDA has an EAC from a previous appointment no E01 will be reported If the Supplier can match the E01 exception to an E04 for the same Metering System and same effective dates it would reasonable to treat the E01 exception as mater
16. B dusk to dawn UMS Certificates or other information provided by the Unmetered Supplies Operator UMSO customer billing details D0213 flows from SMRS indicating that a previous Supplier has corrected the Measurement Class within their Registration Please note that whilst an AA may indicate a metered supply the AA may have been calculated using a Deemed Read so actual readings provide a better indication of a metered supply 3 9 6 Correction If SMRS is in error send a D0205 flow correcting the Measurement Class If the inconsistency in Measurement Class pre dates the start of the current Registration amend the Measurement Class with effect from the Supply Start Date If the NHHDC view of the Measurement Class is in error send a D0052 flow correcting the Measurement Class or otherwise instruct the NHHDC to make the correction by means agreed bilaterally with the NHHDC 3 9 7 Notes and Tips Please note that E09 exceptions only relate to discrepancies between Measurement Class A Non Half Hourly Metered and B Non Half Hourly Unmetered Discrepancies between Half Hourly and Non Half Hourly Measurement Classes are likely to manifest themselves as a missing or unexpected consumption exception on the D0095 with an opposite i e unexpected or missing consumption exception on the Half Hourly Aggregation Exception Report D0235 A change of Measurement Class from unmetered NHH to metered NHH is a theoretical
17. HHDCs have sent AA EAC data but the old NHHDC was not registered in SMRS an E06 will be reported This E06 will supersede the E01 exception that would have been reported prior to the change of NHHDC Registering the old NHHDC in SMRS will resolve the exception Instruction processing failures Failure to process D0019 instructions may result in gaps or anomalies in consumption history Where the Supplier is otherwise unable to identify the cause of the exception the details should be referred to the NHHDC to determine whether the Metering System is subject to any outstanding D0023s 7 November 2013 Version 5 0 ELEXON 2013 Page 21 of 45 Please note that an E06 will be reported where there is no consumption prior to an AA assa AA l E06 l or only an EAC prior to an AA EAC RA E06 i or there is a gap in the AA history jamen 1 pases BAAS E06 or AA EAC AA E06 I An E06 will not be reported where the gap in the AA history coincides with a change of Supplier SUPPLIER A SUPPLIER B gt 3 6 6 Notes and Tips Where the lack of consumption data is the result of a Failed Instruction as reported on the D0023 flow the Failed Instruction can only be resolved by the NHHDC that sent the original instruction If a subsequent change of NHHDC has taken place the Supplier can eithe
18. Page 43 of 45 APPENDIX A Index of DTC flows referenced by Volume 2 of the User Guide ID Flow Name D0010 Meter Readings D0011 Agreement of Contractual Terms D0019 Metering System EAC AA data D0023 Failed Instructions D0052 Affirmation of Metering System Settlement Details D0055 Registration of Supplier to Specified Metering Point D0086 Notification of Change of Supplier Readings D0093 Advice to a New Supplier of a Change of Supply Registration Deletion D0095 Non Half Hourly Data Aggregation Exception Report D0134 Request to Change Energisation Status D0139 Confirmation or Rejection of Energisation Status Change D0142 Request for Installation of Change to Metering System Functionality D0148 Notification of Change to Other Parties D0149 Notification of Mapping Details D0150 Non Half Hourly Meter Technical Details D0151 Termination of Appointment or Contract by Supplier D0152 Metering System EAC AA Historical Data D0153 Notification of Data Aggregator Appointment and Terms D0155 Notification of Meter Operator or Data Collector Appointment and Terms D0179 Confirmation of Energisation De Energisation of Prepayment Meter D0180 Request to Energise De Energise Shut Down Prepayment Meter D0203 Rejection of Changes to Metering Point Details D0205 Update Registration Details D0209 Instruction s to Non Half Hourly Data Aggregator
19. SSD and the Metering System is incorrectly flagged as energised for the period between the SSD and the Date of Meter Installation Check whether the Metering System is a new connection e g by checking whether old Supplier registration details as notified on D0260 are present If the Date of Meter Installation as determined from the earliest D0150 from the MOA was after the SSD send a D0205 to SMRS notifying that the Metering System was de energised for the period between the SSD and the Date of Meter Installation Failure to obtain an initial reading An E06 may arise where no valid initial reading is available for a new meter new connection change of SSC Measurement Class or meter but the NHHDC has processed subsequent readings Check the reading history for any missing initial readings and refer to the NHHDC or MOA for resolution Failure to transfer history on change of NHHDC An E06 may arise following a change of NHHDC process where the new NHHDC has been unable to process the advance spanning its appointment date for example as a result of the old NHHDC not providing the reading history and has started processing consumption data with effect from the first reading taken during its appointment If a change of NHHDC has taken place and no AAs have ever been received from the old NHHDC refer to NHHDC for investigation Failure to register NHHDC appointment in SMRS Where a change of NHHDC has taken place both old and new N
20. al if e a change of NHHDC has taken place since the exception was first reported and the exception has been corrected by the new NHHDC sending an AA for the period during which the old NHHDC was originally appointed with the correct Profile Class and e the exception is now only being reported in respect of the old NHHDC The exception reported in respect of the old NHHDC is immaterial because the AA provided by the new NHHDC with the correct Profile Class will be used in Settlement Otherwise all E11 exceptions have a material impact on Settlement however small and need to be addressed 7 November 2013 Version 5 0 ELEXON 2013 Page 32 of 45 3 11 5 Analysis Profile Class inconsistencies may arise for a number of reasons a change of Profile Class has failed the NHHDC has not sent any consumption data in respect of the new Profile Class or such consumption has been rejected by the NHHDA and the failed instruction has not been addressed the Supplier has re evaluated the Profile Class on change of Supplier and has failed to notify the SMRS or NHHDC the NHHDC is using a Profile Class from a previous appointment and there has been a change of Profile Class in the interim period One of these failures may have occurred in an earlier Registration such that the current Supplier has effectively inherited the exception or the inconsistency may date back to the population of systems at the start of the 1998 T
21. ances as these could have been calculated from a deemed or customer own read 7 November 2013 Version 5 0 ELEXON 2013 Page 39 of 45 If the NHHDC is processing actual readings and the SSC Id DC has a different number of registers to the SSC Id MPAS this provides a good indication that the NHHDC holds the correct SSC but it is worth checking that the Meter Id on the D0010 from the NHHDC is the same as the Meter Id on the D0150 from the MOA in case the NHHDC is reading a different meter However if the SSCs have the same number of registers no firm conclusions can be drawn from the fact that the NHHDC is processing actual readings For example SSC 0151 0152 and 0153 are all Economy 7 configurations but with switching times of 00 30 07 30 00 45 07 45 and 01 00 to 08 00 respectively The NHHDC could process actual readings for any of these SSCs without knowing the switch times As the MOA is best placed to know the switching times of such Metering Systems it would seem sensible to bring the NHHDC and SMRS into line with the SSC on the latest D0150 from the MOA If the Effective From Settlement Date of last MPAS data 31167 is later than the Effective from Settlement Date of last DC data J1159 a change of SSC may have taken place but the NHHDC has yet to process the associated readings or an initial EAC The D0150 and or D0205 can be used to confirm that a change of SSC has taken place If so chec
22. and the status of energised in SMRS indicates with a high degree of certainty that the Metering System is energised If any of the additional checks below confirm that the Metering System is energised the exception should be referred to the NHHDC to investigate and correct their view of the Energisation Status 2 An EAC with the correct Energisation Status from the latest appointed NHHDC will be used in aggregation in preference to an EAC with the incorrect Energisation Status from a previously appointed NHHDC However where an EAC with the correct Energisation Status has been submitted by the latest appointed NHHDC and an AA with the incorrect Energisation Status has been submitted by a previously appointed NHHDC for the same period the AA will be used in preference to the EAC and hence the exception reported in respect of the old NHHDC will still have a material impact on Settlement 7 November 2013 Version 5 0 ELEXON 2013 Page 36 of 45 Look for evidence confirming the Metering System s Energisation Status check the Energisation Status as notified on the latest D0139 D0179 or D0150 as appropriate from the MOA e check for a request to the MOA to energise or de energise the Metering System on a D0134 D0180 that may have been actioned but not confirmed via a D0139 D0179 check for a D0221 notifying a failure to energise de energise where no subsequent D0134 D0180 or further instruction was provided to the MOA i e ensu
23. any NHHDA appointment or NHHDC de appointment issues need to be resolved there is little benefit in withdrawing any superfluous consumption as this will not be used by the NHHDA 3 3 6 Notes and Tips None Version 5 0 7 November 2013 Page 13 of 45 ELEXON 2013 3 4 E04 EAC with no NHHDA Appointment 3 4 1 Description Primary Objective To identify when the NHHDC sending EACs is not the SMRS appointed NHHDC and or when the NHHDA receiving EACs is not the SMRS appointed NHHDA Brief Description This exception is raised when there is an EAC that does not overlap with a period including a NHHDA appointment and the day after that appointment Detailed Description This exception is raised for Supplier x and NHHDC y when there is an EAC from NHHDC y that overlaps with the Settlement Date range selected for reporting and the EAC does not overlap with a NHHDA appointment that is for a Supplier registration to which NHHDC y is appointed which for the purpose of this exception also includes the day after the appointment and the Supplier according to NHHDC y is Supplier x For the purpose of this check EACs which do not have an end date are considered to be terminated by a subsequent EAC from the same NHHDC and to be open ended otherwise 3 4 2 Impact Where the EAC is sent to the correct NHHDA as well as an incorrect NHHDA there will be no direct impact on Settlement as the EAC to the incorrect NHHD
24. as effectively inherited the exception or the inconsistency may date back to the population of systems at the start of the 1998 Trading Arrangements Determining the correct SSC Look for evidence confirming the Metering System s SSC check the SSC as notified on the latest D0150 from the MOA e check the reading history for the Metering System see below check for a request to the MOA to change the SSC on a D0142 that may have been actioned but not confirmed via a D0150 check for a P0211 notifying that a request to change the SSC has been rejected where no subsequent D0142 or further instruction was provided to the MOA i e ensure that a D0205 was not sent to the SMRS on the basis of a change of SSC that never took place e check the SSC on the D0217 received from SMRS on registration of the Metering System If the current SMRS SSC differs from that on the D0217 and there is no evidence e g D0150 to suggest that a subsequent change of SSC has taken place investigate why a D0205 was sent check for a D0213 from SMRS notifying a change of SSC by a previous Supplier Interpreting the reading history Check the Metering System s reading history for any actual readings taken after the Effective From Settlement Date of last MPAS data J1167 reported on the exception Deemed readings and arguably customer own reads are not a reliable indication that the NHHDC holds the correct SSC Neither are Annualised Adv
25. at does not have an AA or an EAC The exception is reported to the Supplier according to SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when there is a period P where the Settlement Date range selected for reporting and a NHHDA appointment for Supplier x overlap that is without an AA from a NHHDC appointed to the same Supplier registration as the NHHDA appointment and there is an earlier period in the NHHDA appointment that has an AA from a NHHDC appointed to the same Supplier registration as the NHHDA appointment and e there is no later period in the NHHDA appointment that has an AA from a NHHDC appointed to the same Supplier registration as the NHHDA appointment and NHHDC y is the latest NHHDC appointed to the same Supplier registration as the NHHDA appointment and the Metering System is energised according to SMRS at some time in period P and e the first date the Metering System is energised according to SMRS in period P is not covered by an EAC from a NHHDC appointed to the same Supplier registration as the NHHDA appointment The E02 is only raised for the currently appointed Data Collector according to the SMRS for the Supplier Registration within which the E02 exception occurs This will be the last DC appointment not after the date when the check for exceptions is performed 32 2 Impact NHHDA will use a Default EAC in aggregation An E02 may be the result of a failure
26. ck for a failed D0209 NHO1 instruction and request that a D0023 flow is sent to the SMRS if it has not already been sent If the NHHDA confirms that a D0023 has been sent to SMRS refer to SMRS for resolution Failure to de appoint NHHDC on change of Supplier A transient error may occur as a result of the NHHDC incorrectly associating the EAC calculated from the CoS reading with the old Supplier The first occurrence of this error will result in an E08 exception but no E14 If subsequent AA s continue to be associated with the old Supplier this would indicate a failure by the old Supplier to de appoint the NHHDC and or a failure by the NHHDC to act on an appointment by the new Supplier Failure by the NHHDC to act on an appointment by the new Supplier is covered under the section on E08 exceptions The old Supplier receiving the E14 will need to ensure that the NHHDC has been de appointed with a D0151 If a D0151 has been sent but not actioned refer to the NHHDC 3 14 5 Notes and Tips In general unless the SMRS registration or contractual appointments are in error E14 exceptions are largely transient The risk to Settlement of addressing transient E14 exceptions is likely to outweigh the benefits As such Suppliers should concentrate on reducing the number of E14 exceptions by seeking to resolve the underlying change of Supplier and change of agent process issues that give rise to them 7 November 2013 Version 5 0 ELEXON 2013
27. d between SSD and the meter installation date If SMRS continues to flag the Metering System as energised for this period an E01 will be reported until such time as an AA effective from the installation date is processed at which time an E06 exception will be reported 3 1 6 Notes and Tips At the time of writing the biggest causes of E01 exceptions are understood to be failed appointment de appointment processes on change of agent and failures to transfer reading histories D0010 and or EAC AA histories D0152 on change of NHHDC Where the lack of consumption data is the result of a Failed Instruction as reported on the D0023 flow the Failed Instruction can only be resolved by the NHHDC that sent the original instruction If a subsequent change of NHHDC has taken place the Supplier can either refer the exception to the old NHHDC to resolve the Failed Instruction or refer the exception to the new NHHDC The new NHHDC can resolve the exception by sending consumption data for the period of the old NHHDCs appointment The exception will always be reported in respect of the new NHHDC 7 November 2013 Version 5 0 ELEXON 2013 Page 8 of 45 3 2 E02 missing subsequent consumption data 3 2 1 Description Primary Objective To identify when the SMRS appointed NHHDC is not sending AAs and EACs to the SMRS appointed NHHDA Brief Description This exception is raised when there is an AA but where there is period after the latest AA th
28. ensure that the agent appointment processes have been completed correctly and should investigate any issues relating to the transfer of reading histories or meter technical details that are preventing the new NHHDC on concurrent change of Supplier and NHHDC from providing a CoS reading First EAC of Registration associated with old Supplier As described above a transient error may occur as a result of the NHHDC incorrectly associating the EAC calculated from the CoS reading with the old Supplier If subsequent AA s continue to be associated with the old Supplier this would indicate a failure by the old Supplier to de appoint the NHHDC and or a failure by the NHHDC to act on an appointment by the new Supplier Checking the de appointment of the NHHDC by the old Supplier is covered under the section on E14 exceptions Failure to appoint NHHDC The new Supplier receiving the E08 will need to check that the NHHDC has been appointed with a D0155 and has not been incorrectly de appointed with a D0151 If the NHHDC has not been appointed or has been de appointed in error send a D0155 appointment flow 7 November 2013 Version 5 0 ELEXON 2013 Page 26 of 45 If a D0155 flow has been sent but has been rejected via a D0261 resolve the reason for rejection and send a revised D0155 If no D0011 or D0261 has been received refer to the NHHDC Erroneous Transfer A D0155 may not have been sent if the Metering System was registered in error
29. es the Metering System is de energised Therefore this will have an impact on Settlement as no energy will be accounted for D E D An estimate which may be non zero will be used in Settlement and will be attributed to the Supplier until a zero advance is obtained A settlement error may arise as a result of deeming a reading on change of Supplier as the Deemed Meter Advance calculation does not take the Energisation Status into account 7 November 2013 Version 5 0 ELEXON 2013 Page 35 of 45 3 12 3 Related Exception Types E12 exceptions should be reviewed in conjunction with E05 Non zero AA for de energised Metering System exceptions 3 12 4 Assessment An E12 exception may also be judged to be immaterial if a change of NHHDC has taken place since the exception was first reported and e the exception has been corrected by the new NHHDC sending an AA for the period during which the old NHHDC was originally appointed with the correct Energisation Status and the exception is now only being reported in respect of the old NHHDC The exception reported in respect of the old NHHDC is immaterial because the AA provided by the new NHHDC with the correct Energisation Status will be used in Settlement Otherwise as can be seen from the table in 3 12 2 above all E12 exceptions potentially have a material impact on Settlement and should be investigated albeit that the investigation may reveal that the e
30. etermine the cause of rejection and resolve by sending a revised D0205 or as otherwise agreed with the SMRS If the NHHDC view is incorrect check whether a D0052 has already been sent to the NHHDC notifying the required Profile Class change and if not send one e if a D0052 has already been sent check for a D0310 flow from the NHHDC depending on the reason for rejection send a revised D0052 containing the correct Profile Class for the Metering System or otherwise instruct the NHHDC to make the correction by means agreed bilaterally with the NHHDC 3 11 7 Notes and Tips There is the possibility that in determining the appropriate Profile Class for a Metering System this value is not held by either the SMRS or NHHDC In which case the Supplier will need to decide whether to follow the normal business process such that if successful the exception will be resolved The alternative is to bring SMRS or NHHDC into line first and then initiate the normal change of Profile Class process 7 November 2013 Version 5 0 ELEXON 2013 Page 34 of 45 3 12 E12 Inconsistent Energisation Status 3 12 1 Description Primary Objective To identify where SMRS or NHHDC holds an incorrect record of the Metering System s Energisation status Brief Description This exception is raised when a Metering System s Energisation Status according to SMRS and NHHDC are inconsistent The exception is reported to the Supplier according t
31. ether a D0052 has been sent to the NHHDC If a D0052 has been sent determine whether the GSP Group matches that in SMRS If no D0052 has been sent the NHHDC may have incorrectly derived the GSP Group from the address or have been passed an incorrect GSP Group on a D0152 from the old NHHDC if a change of NHHDC has taken place Unless the GSP Group on the D0052 is incorrect Suppliers may need to refer the exception to the NHHDC for further analysis and correction 3 10 6 Correction If required the Supplier should send a revised D0052 containing the correct GSP Group for the Metering System or otherwise instruct the NHHDC to make the correction by means agreed bilaterally with the NHHDC 3 10 7 Notes and Tips Please note that the guidance above assumes that no additions deletions or boundary changes are being made to the current GSP Groups and hence Metering Systems are not being re assigned from one GSP Group to another Numbers of E10 exceptions are virtually zero at the time of writing 7 November 2013 Version 5 0 ELEXON 2013 Page 31 of 45 3 11 E11 Inconsistent Profile Class 3 11 1 Description Primary Objective To identify where SMRS or NHHDC holds an incorrect record of the Metering System s Profile Class Brief Description This exception is raised when a Metering System s Profile Class according to SMRS and NHHDC are inconsistent The exception is reported to the Supplier according to SMRS Detailed Descriptio
32. from an actual reading or COR No further analysis in respect of the E05 is required if an E12 is reported for the same Metering System or if the AA was calculated using a Meter Advance based on a deemed reading Look for any evidence that the Metering System is energised e check the Site Visit Check Code J0024 on recent D0010 or D0086 flows for a value of 09 Consumption detected on de energised meter check the MOA s view of the Metering System s Energisation Status by request to MOA or by checking any D0139 D0179 flows or the D0150 flow for new connections check for a request to the MOA to energise the Metering System on a D0134 D0180 that may have been actioned but not confirmed via a D0139 D0179 e check for a D0213 from SMRS notifying a change of Energisation Status by a previous Supplier if the reading used to calculate the AA reported on the D0095 has been used to bill the customer and the customer has paid the bill this might indicate that the Metering System is energised though the customer might be unaware of an error on their bill so this is not conclusive 3 5 6 Correction AA based on Deemed Reading If the AA was based on a deemed reading under inappropriate circumstances the NHHDC should be instructed to withdraw the reading and associated AA EAC Energisation Status change requested but not confirmed If a D0134 D0180 has been sent to the MOA and no D0139 D0179 received request
33. h the SMRS If the NHHDC view is incorrect check whether a D0052 has already been sent to the NHHDC notifying the required SSC change if not send one ensuring that the Effective From Settlement Date SCON 30300 equates to the date of the metering change notified by the Meter Operator on the corresponding D0150 flow If the SSC inconsistency pre dates the Registration it is likely that liaison with the NHHDC and MOA will be required in order to effect a correction if a D0052 has already been sent check for a D0310 flow from the NHHDC e depending on the reason for rejection send a revised D0052 containing the correct SSC for the Metering System or otherwise instruct the NHHDC to make the correction by means agreed bilaterally with the NHHDC 7 November 2013 Version 5 0 ELEXON 2013 Page 40 of 45 Liaison with the MOA may also be required if the reason that the NHHDC has failed to process a D0052 is that no D0150 has been received 3 13 7 Notes and Tips Correction of an E13 requires the alignment of Supplier MOA NHHDC and SMRS views and changes need to coincide not only with a valid reading s but also a change to the Meter Technical Details Resolution is likely to become more difficult if subsequent changes of Supplier and or agents take place particularly where the agent rather than SMRS view is incorrect As such there are practical benefits in addressing these exceptions sooner rather than later If t
34. he Meter Operator is required to send or re send a D0150 flow to the NHHDC in order to correct the NHHDC view of the SSC a request by means other than a D0142 may be required in order to prevent a job instruction site visit being triggered Suppliers will need to agree methods with the relevant Meter Operators Steps that can be taken to prevent E13 exceptions occurring include ensuring that A D0052 is only sent to the NHHDC and a D0205 is only sent to the SMRS when a D0150 has been received from the MOA e The SSC on the D0052 matches that on the D0150 even if the SSC notified by the MOA isn t the same as that requested on the D0142 This is because the NHHDC will also have received the D0150 and is likely to validate the D0052 against it The D0142 D0150 discrepancy should be resolved with the MOA and a second D0052 sent if necessary The D0052 and D0205 are sent at the same time 7 November 2013 Version 5 0 ELEXON 2013 Page 41 of 45 3 14 E14 No Registration 3 14 1 Description Primary Objective To identify where SMRS or NHHDC holds an incorrect record of the Metering System s Supplier Brief Description This exception is raised when a Metering System s Supplier according to SMRS and NHHDC are inconsistent The exception is reported to the Supplier according to the NHHDC Detailed Description This exception is raised for Supplier x and NHHDC y when the Supplier according to NHHDC y is Supplier x
35. he current Supplier in NHHDA is different to that in SMRS i e there has been a failure in the SMRS NHHDA interface as energy will be incorrectly attributed to the old Supplier Otherwise a Supplier inconsistency does not create an immediate Settlement error as the energy will be allocated to the Supplier registered in SMRS However there are potential further impacts on Suppliers such as a customer on two walk orders If the exception is the result of an appointment problem Suppliers will have problems obtaining subsequent readings 3 8 3 Assessment Change of Supplier reading not processed The NHHDC view of a Metering System s Settlement attributes is updated whenever an AA and or EAC is sent to the NHHDA by the NHHDC If a change of Supplier reading has not been processed and the NHHDA has received an EAC from the NHHDC in a previous appointment the NHHDC view of the data within NHHDA will still be based on this EAC which was associated with the old Supplier The NHHDA will attribute the EAC to the Supplier registered in SMRS so the exception only has a material impact in Settlement to the extent that an EAC rather than an AA will be used The failure to process a change of Supplier reading particularly at later Run Types R3 and RF should be addressed whether it be via the D0095 resolution process or a separate process dealing with outstanding CoS readings Where the Effective from Settlement Date of last Data Collector data
36. ial but the E04 exception as immaterial 3 4 4 Assessment An E04 is always immaterial except when e the EAC has been sent to the correct NHHDA but the NHHDA does not recognise that it has been appointed i e as a result of a failed instruction or the NHHDA is not aware that the NHHDC sending the EAC is appointed within its own appointment as NHHDA i e as a result of a failed instruction Repeated E03 exceptions for the same Metering System NHHDA NHHDC but with different AA Effective From Settlement Dates followed by a single E04 exception would indicate a failed NHHDC de appointment issue or failed NHHDA appointment issue that needs to be resolved 3 4 5 Analysis and Correction Misdirected Consumption Data If the NHHDC associated with the E04 exception has been appointed at some time during the Registration effective on the EAC Effective From Settlement Date but the NHHDA reporting the exception is not the correct NHHDA e g is the old NHHDA following a change of NHHDA ensure that the correct NHHDA has been notified in the D0148 sent to the NHHDC Send a revised D0148 if required or if the D0148 shows the correct NHHDA refer to the NHHDC to investigate Failed NHHDC de appointment on concurrent change of NHHDC and NHHDA If the NHHDC associated with the E04 exception should not have been appointed on the EAC Effective From Settlement Date check whether a D0151 has been sent and if not send one If a D0151 has been sent
37. if the Metering System isn t already subject to the process The D0095 exception will not be reported in time to resolve the error via a Co operative Objection In the meantime agents will need to be appointed to the Metering System Whilst outside the scope of resolving the E01 exception the Supplier may still need to register the intended MSID Appointment of NHHDA Check that the D0095 has been reported by the intended NHHDA for the Metering System If the D0055 did not include the NHHDA Id and a subsequent D0205 has not been sent or has been rejected or the resultant D0209 to the NHHDA has been rejected SMRS will have defaulted to the NHHDA registered by the previous Supplier In some cases this may have resulted in an invalid Supplier Hub Send a D0205 if not already sent Unless there has been a subsequent change of NHHDA in SMRS or Final Reconciliation has taken place a retrospective change should be accepted Otherwise check for a D0203 from the SMRS and resolve If no D0203 refer to the intended NHHDA to check for a failed D0209 NHO1 instruction and request that a D0023 flow is sent to the SMRS if it has not already been sent If the NHHDA confirms that a D0023 has been sent to SMRS refer to SMRS for resolution Please note that NHHDAs are required to aggregate on the basis of an instruction from SMRS via a D0209 The Notification of Data Aggregator Appointment and Terms D0153 flow is used for contractual purposes onl
38. ing resolved the problem that caused the original D0205 to be rejected if a D0205 has been sent and no D0203 has been received request that SMRA investigates whether the instruction has failed D0023 and performs a selective refresh if required e if the selective refresh is unsuccessful determine the cause of rejection and resolve by sending a revised D0205 or as otherwise agreed with the SMRS If the NHHDC view is incorrect refer the exception to the NHHDC for resolution 3 12 7 Notes and Tips A zero advance or series of zero advances indicates that a premise is vacant but this does not mean that the Metering System is de energised 7 November 2013 Version 5 0 ELEXON 2013 Page 37 of 45 3 13 E13 Inconsistent Standard Settlement Configuration 3 13 1 Description Primary Objective To identify where SMRS or NHHDC holds an incorrect record of the Metering System s Standard Settlement Configuration SSC Brief Description This exception is raised when a Metering System s SSC according to SMRS and NHHDC are inconsistent The exception is reported to the Supplier according to SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when The SSC according to SMRS differs from the SSC according to NHHDC y during a period where a NHHDA appointment for Supplier x and the Settlement Date range selected for reporting overlap and NHHDC y is appointed to the same Supplier registratio
39. ion is reported to the Supplier according to SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when e there is a non zero AA from NHHDC y during a period where the Metering System is de energised according to NHHDC y and e the AA overlaps a period where a NHHDA appointment for Supplier x and the Settlement Date range selected for reporting overlap and NHHDC y is appointed to the same Supplier registration as the NHHDA appointment 3 5 2 Impact A non zero AA on a Metering System that the NHHDC has flagged as de energised will be used in Settlement If the readings on which the AA is based are correct there will be no impact on Settlement However if the Metering System is genuinely de energised as flagged by the NHHDC there is a possibility that illegal abstraction has taken place Settlement will however be correct If the AA is based on a Deemed Read e g on change of Supplier for a de energised site Settlement will be inaccurate albeit calculated in accordance with the rules 3 5 3 Related Exception Types E05 exceptions should be reviewed in conjunction with E12 Inconsistent Energisation Status exceptions as described below 3 5 4 Assessment Check for an E12 exception for the same Metering System In conjunction with the E05 the E12 indicates that the Metering System is de energised according to the NHHDC but energised according to the SMRS The combination of a non zero AA and
40. k that a D0052 has been sent and processed as described in 3 13 6 below Even if no initial EAC has been processed the NHHDC view should have been updated when either the Final AA for the old SSC or initial AA for the new SSC was processed If no valid Final Reading has been received from the NHHDC for the old SSC or no associated AA received or the Final AA does not include both old and new SSCs the exception should be referred to the NHHDC for further investigation 3 13 6 Correction If the SMRS view is incorrect check whether a D0205 has been sent to SMRS notifying the required SSC change and if not send one If the inconsistency in SSC pre dates the start of the current Registration amend the SSC with effect from the Supply Start Date If the inconsistency in SSC pre dates the latest Settlement Date subject to a Final Reconciliation Run select an appropriate date not yet subject to Final Reconciliation from which to amend the SSC e if a D0205 has been sent check whether a D0203 has been received from the SMRS rejecting it and if so re send having resolved the problem that caused the original D0205 to be rejected if a D0205 has been sent and no D0203 has been received request that SMRA investigates whether the instruction has failed D0023 and performs a selective refresh if required e if the selective refresh is unsuccessful determine the cause of rejection and resolve by sending a revised D0205 or as otherwise agreed wit
41. lier registration as the NHHDA appointment The E06 is only raised for the currently appointed Data Collector according to the SMRS for the Supplier Registration within which the E06 exception occurs This will be the last DC appointment not after the date when the check for exceptions is performed 3 6 2 Impact If there is no EAC for the period for which an AA is missing the NHHDA will use a Default EAC in aggregation Otherwise an EAC will be used in place of an AA 3 6 3 Related Exceptions An E06 exception may supersede an E01 or albeit less likely an E02 where consumption had previously been missing but was subsequently provided albeit from a point in time later than the NHHDA appointment date This may be the result for example of correcting an appointment issue that gave rise to an E01 but not doing so fully retrospectively 3 6 4 Assessment An E06 is always material except where the NHHDA is the subject of a failed de appointment instruction from the SMRS to the NHHDA Such failures occur in very low numbers so it is advisable to treat all E06 exceptions as material 7 November 2013 Version 5 0 ELEXON 2013 Page 20 of 45 3 6 5 Analysis and Correction New connections installed after the Supply Start Date If a new connection is installed after the Supply Start Date there won t usually be an AA for the period between SSD and the Date of Meter Installation An E06 can arise where the NHHDA is appointed from
42. mpt will be made to read the meter resulting in a loss of actual data in Settlement 3 9 3 Related Exception Types The SSCs applicable for metered and Unmetered Supplies are mutually exclusive Therefore if the SMRS and NHHDC views both have a SSC that is consistent with the Measurement Class it follows that the E09 will be accompanied by an E13 Inconsistent Standard Settlement Configuration Where the E09 is accompanied by an E13 the outcome will be a Default EAC irrespective of whether an AA has been provided and whether the Metering System is registered as unmetered in SMRS 3 9 4 Assessment Whilst there is a small theoretical probability of an E09 having no material impact on Settlement the likelihood is that an E09 or its associated E13 will give rise to a Default EAC and there is a strong possibility that a calculated default value will be inappropriate for the Measurement Class For this reason and given the low number of E09 exceptions it would be advisable to treat all E09 exceptions with no associated E13 as material and all E09 exceptions with associated E13 exceptions as immaterial 7 November 2013 Version 5 0 ELEXON 2013 Page 28 of 45 3 9 5 Analysis Determine whether the Metering System is metered or unmetered by checking a number of the following whether any actual readings have been received from the NHHDC or Customer the Meter Technical Details e the SSC for example 0429 Unmetered
43. n This exception is raised for Supplier x and NHHDC y when the Profile Class according to SMRS differs from the Profile Class according to NHHDC y during a period where a NHHDA appointment for Supplier x and the Settlement Date range selected for reporting overlap and NHHDC y is appointed to the same Supplier registration as the NHHDA appointment N B This exception is only generated if consumption data EACs or AAs has been received from the DC in the period of the exception 3 11 2 Impact The NHHDC will use one Profile Class in AA calculation whilst the SVAA will use a different Profile Class in estimating Half Hourly Supplier volumes i e the Profile Class notified by the NHHDA which in turn will be that notified by the SMRS There will thus be an error in the amount of energy accounted for in Settlement to the extent that the profiles are different Whether the Profile Class in SMRS is the appropriate one for the Metering System is a different question Addressing the inconsistency between the SMRS and NHHDC views may have the added benefit of reviewing the appropriateness of the Profile Class as registered in SMRS for the Metering System in question 3 11 3 Related Exception Types The allocation of SSCs and Profile Classes is constrained by the valid combinations defined in Market Domain Data so it is advisable to address E11 and E13 exceptions together 3 11 4 Assessment An E11 exception may also be judged to be immateri
44. n as the NHHDA appointment N B This exception is only generated if consumption data EACs or AAs has been received from the DC in the period of the exception 3 13 2 Impact NHHDA will use a Default EAC for each Time Pattern Regime TPR associated with the SSC registered according to SMRS 3 13 3 Related Exception Types The allocation of SSCs and Profile Classes is constrained by the valid combinations defined in Market Domain Data so it is advisable to address E13 and E11 exceptions together The SSCs applicable for metered and Unmetered Supplies are mutually exclusive Therefore if the SMRS and NHHDC views both have a SSC that is consistent with the Measurement Class it follows that the E09 will be accompanied by an E13 Inconsistent Standard Settlement Configuration 3 13 4 Assessment An E13 exception may also be judged to be immaterial if e a change of NHHDC has taken place since the exception was first reported and the exception has been corrected by the new NHHDC sending an AA with the correct SSC for the period during which the old NHHDC was originally appointed and the exception is now only being reported in respect of the old NHHDC The exception reported in respect of the old NHHDC is immaterial because the AA provided by the new NHHDC with the correct SSC will be used in Settlement Otherwise all E13 exceptions have a material impact on Settlement however small and need to be addressed 7 No
45. nd ensure that the MOA advises the NHHDC that the Metering System is energised via a D0139 D0179 or as otherwise agreed If the MOA confirms the Metering System is de energised request a Revenue Protection investigation via a D0238 flow 357 Notes and Tips None 7 November 2013 Version 5 0 ELEXON 2013 Page 19 of 45 3 6 E06 missing preceding consumption data 36 1 Description Primary Objective To identify when the SMRS appointed NHHDC has not sent an AA in the past Brief Description This exception is raised when there is an AA preceded by a period without an AA The exception is reported to the Supplier according to SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when e there is a period P where the Settlement Date range selected for reporting and a NHHDA appointment for Supplier x overlap that is without an AA from a NHHDC appointed to the same Supplier registration as the NHHDA appointment and there is a later period in the NHHDA appointment that has an AA from a NHHDC appointed to the same Supplier registration as the NHHDA appointment and e NHHDC y is the latest NHHDC appointed to the same Supplier registration as the NHHDA appointment and the Metering System is energised according to SMRS at some time in period P and the first date the Metering System is energised according to SMRS in period P is not covered by an EAC from a NHHDC appointed to the same Supp
46. no AA or EAC at all and is reported to the Supplier registered in SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when there is a NHHDA appointment for Supplier x that is without any AA from a NHHDC appointed to the same Supplier registration as the NHHDA appointment and the NHHDA appointment overlaps the Settlement Date range selected for reporting and the Metering System is energised according to SMRS at some time in the period where the Settlement Date range selected for reporting and the NHHDA appointment overlap and the first date the Metering System is energised according to SMRS in the period where the Settlement Date range selected for reporting and the NHHDA appointment overlap is not covered by an EAC from a NHHDC appointed to the same Supplier registration as the NHHDA appointment and NHHDC y is the latest NHHDC appointed to the same Supplier registration as the NHHDA appointment The E01 is only raised for the currently appointed Data Collector according to the SMRS for the Supplier Registration within which the E01 exception occurs This will be the last DC appointment not after the date when the check for exceptions is performed 3 1 2 Impact NHHDA will use a Default EAC in aggregation An E01 may occur as a result of a failure to back out an NHHDA appointment for example when an objection to a Supplier Registration has been upheld and the Supplier has cancelled the
47. o SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when the Energisation Status according to SMRS differs from the Energisation Status according to NHHDC y during a period where a NHHDA appointment for Supplier x and the Settlement Date range selected for reporting overlap and e NHHDC y is appointed to the same Supplier registration as the NHHDA appointment N B This exception is only generated if consumption data EACs or AAs has been received from the DC in the period of the exception 3 12 2 Impact The impact of an E12 exception depends on what is held by NHHDC and SMRS and the actual Energisation Status of the Metering System as shown in the table below Actual SMRS NHHDC Impact status status status E D E Any non zero AA provided by the NHHDC will be correctly included in Settlement However any EACs will not be used creating a potential volume error until such time as the meter is read If there has been no consumption at the premises e g long term vacant sites Settlement will be accurate D D E Any non zero AA provided by the NHHDC presumably as a result of deeming a read will be included in Settlement Any EAC provided by the NHHDC will be correctly ignored E E D There is an obligation on NHHDCs to read de energised meters and any consumption detected will be used in Settlement However it is likely that some meters will not be read especially if the NNHDC believ
48. on Primary Objective To identify where SMRS or NHHDC holds an incorrect record of the Metering System s Measurement Class Brief Description This exception is raised when a Metering System s Measurement Class according to SMRS and NHHDC are inconsistent The exception is reported to the Supplier according to SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when the Measurement Class according to SMRS differs from the Measurement Class according to NHHDC y during a period where a NHHDA appointment for Supplier x and the Settlement Date range selected for reporting overlap and e NHHDC y is appointed to the same Supplier registration as the NHHDA appointment N B This exception is only generated if consumption data EACs or AAs has been received from the DC in the period of the exception 3 9 2 Impact If an AA is provided for a Metering System registered as unmetered in SMRS a Default EAC will be used in aggregation irrespective of the Energisation Status Where the NHHDA calculates a Default EAC using an arithmetic average of the AA EAC values for other Metering Systems in the same Settlement Class i e where the number of Metering Systems in the same Settlement Class exceeds the Threshold Parameter current value 50 the Default EAC value for an Unmetered Supply may be very different to that for a metered supply If the NHHDC incorrectly believes that a metered supply is unmetered no atte
49. ons will be reported in respect of both NHHDCs such that the Supplier will receive six E07 exceptions in this example DC1 AAI DC 1 AA2 DC 2 AA1 DC 2 AA 2 i i i DCI E07 E07 E07 S a a n or a e DC2 E07 E07 E07 i onmmemao _ gt 7 November 2013 Version 5 0 ELEXON 2013 Page 24 of 45 3 8 E08 Supplier Incorrect 3 8 1 Description Primary Objective To identify where SMRS or NHHDC holds an incorrect record of the Metering System s Supplier Brief Description This exception is raised when a Metering System s Supplier according to SMRS and NHHDC are inconsistent The exception is reported to the Supplier according to SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when e the Supplier according to SMRS differs from the Supplier according to NHHDC y during a period where a NHHDA appointment for Supplier x and the Settlement Date range selected for reporting overlap and NHHDC y is appointed to the same Supplier registration as the NHHDA appointment N B This exception is only generated if consumption data EACs or AAs has been received from the DC in the period of the exception 3 8 2 Impact If the new Supplier has registered the Metering System in error there will be potential impacts on both the customer registered in error and another customer whose intended change of Supplier was not registered There will be also be a material impact if the SMRS view of t
50. or uses similar expressions this is shorthand for the data items held within the NHHDC or SMRS views within the NHHDA system The data item values actually held by the NHHDC and SMRS may of course differ from the NHHDA views of what the NHHDC and SMRS hold i e if there has been a failure in the NHHDC NHHDA or SMRS NHHDA interfaces 2 2 2 References to DTC Flows Please note that Data Transfer Catalogue DTC flows are referred to throughout by the five character identifier e g D0010 The full title of each flow referenced by this volume of the User Guide is given in Appendix A 2 2 3 Interface with Agents The following section assumes that Suppliers do not have direct access to agent data Where information is required from agents in order to assess the materiality of an exception to analyse the cause of an exception or to determine the appropriate corrective action Suppliers will either need to request information from the agent or to make assumptions based on the latest data from the agent Some of the actions described in the next section may be circumvented where agent data is available to the Supplier 7 November 2013 Version 5 0 ELEXON 2013 Page 4 of 45 3 EXCEPTIONS 3 1 E01 No AA or EAC for appointed NHHDA 31 1 Description Primary Objective To identify when the SMRS appointed NHHDC is not sending AAs and EACs to the SMRS appointed NHHDA Brief Description This exception is raised when there is
51. point for developing their own procedures or that the guide will provide useful material for incorporating into existing procedures 1 3 Summary The User Guide is divided into 2 volumes Volume 1 Process Management Guide Volume 2 Technical Guide This volume provides detailed descriptions of the causes of D0095 exceptions and guidance for Suppliers on how such exceptions can be resolved Volume 1 provides an overview of the D0095 Report including the business case for resolving D0095 exceptions advice on materiality and prioritisation and a generic process for managing exceptions 7 November 2013 Version 5 0 ELEXON 2013 Page 2 of 45 2 D0095 Summary 2 1 Exception Types There are two basic classes of D0095 Exception Consumption Data Irregularities E01 to E07 where consumption data from the NHHDC does not form a contiguous record covering the NHHDA appointment Inconsistent Metering System Attributes E08 to E14 where there are inconsistencies between the data provided to the NHHDA by the NHHDC s and that provided by the SMRA Brief descriptions of the fourteen Exception Types are provided below Non zero AA for Metering System that is de energised according to NHHDC Incomplete consumption Period before the latest AA for which there is no AA Different overlapping AAs received from more than one NHHDC c08 _ Incret Supple Exception reported to the Supper regstered 1 SRS See ao E34 Supplier incon
52. possibility but it is unlikely that any such transactions are taking place in the operational market The guidance above assumes that no such changes of Measurement Class are being carried out and that all E09 exceptions result from incorrectly recorded data rather than failures in the change process Low numbers of E09 exceptions are being observed at the time of writing Where exceptions occur however the class average EAC used as a default for an unmetered SSC may be significantly larger than that for a metered SCC so the impact may be high 7 November 2013 Version 5 0 ELEXON 2013 Page 29 of 45 3 10 E10 Inconsistent GSP Group 3 10 1 Description Primary Objective To identify where SMRS or NHHDC holds an incorrect record of the Metering System s GSP Group Brief Description This exception is raised when a Metering System s GSP Group according to SMRS and NHHDC are inconsistent The exception is reported to the Supplier according to SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when the GSP Group according to SMRS differs from the GSP Group according to NHHDC y during a period where a NHHDA appointment for Supplier x and the Settlement Date range selected for reporting overlap and NHHDC y is appointed to the same Supplier registration as the NHHDA appointment N B This exception is only generated if consumption data EACs or AAs has been received from the DC in the period of
53. ppointment An E07 may be the result of a corrective action by a new NHHDC i e providing a revised AA for a period for which the previous NHHDC was originally appointed If a corrective action by the new NHHDC appears to be the cause of the E07 no further action needs to be taken If the meter reading history or EAC AA history suggests that the old NHHDC has not been successfully de appointed check whether a D0151 has been sent If a D0151 has been sent request an investigation by the old NHHDC into why the D0151 has not been actioned If no D0151 has been sent establish whether there is an underlying issue that requires further analysis and resolution E07 exceptions should occur in low numbers High numbers of E07 exceptions would indicate a systematic issue with the change of NHHDC process 3 7 5 Correction If no D0151 has been sent send one If the NHHDC has been unable to process a D0151 for whatever reason re send or resolve as otherwise agreed with the NHHDC 3 7 6 Notes and Tips An E07 will be reported for each pair of overlapping AAs In the example below two Data Collectors have processed readings for different dates This will result in E07 exceptions being reported in respect of three periods e the overlapping period between AA 1 from DC 1 and AA 1 from DC 2 the overlapping period between AA 2 from DC 1 and AA 1 from DC 2 the overlapping period between AA 2 from DC 1 and AA 2 from DC 2 The three E07 excepti
54. r refer the exception to the old NHHDC to resolve the Failed Instruction or refer the exception to the new NHHDC The new NHHDC can resolve the exception by sending consumption data for the period of the old NHHDCs appointment The exception will always be reported in respect of the new NHHDC 7 November 2013 Version 5 0 ELEXON 2013 Page 22 of 45 3 7 E07 Overlapping AA s Ee gel Description Primary Objective To identify when a change of NHHDC process has not worked correctly Brief Description This exception is raised when overlapping AAs are received from two NHHDCs and the AA values dates or configuration details are different The exception can only occur if a change of NHHDC has taken place The exception is reported to the Supplier according to SMRS Detailed Description This exception is raised for Supplier x and NHHDC y when there are overlapping AAs during a period where a NHHDA appointment for Supplier x and the Settlement Date range selected for reporting overlap and one of the overlapping AAs is from NHHDC y and e NHHDC y is appointed to the same Supplier registration as the NHHDA appointment and the other overlapping AAs are from NHHDCs appointed to the same Supplier registration as the NHHDA appointment and e the two overlapping AAs differ in one or more of Effective From Date Effective To Date value SSC TPR 3 7 2 Impact The AA from the NHHDC with the most recent appointment will be u
55. rading Arrangements Determining the Appropriate Profile Class For Domestic v Non Domestic Profile Class mismatches check the billing address of the customer VAT rate and whether the bills with this rate have been paid Whilst not wholly conclusive this will provide a good indication of the correct Profile Class For Maximum Demand v Non Maximum Demand mismatches check the Meter Technical Details and reading history for evidence of a MD Register and MD readings For Profile Class 5 to 8 mismatches check data received from the NHHDC at the last annual load factor review via P0206 Required Change of Profile Class flow as defined in BSCP504 Allocation of Profile Classes amp SSCs for Non Half Hourly SVA Metering Systems Registered in SMRS Switched v Non Switched Load mismatches are more problematic as a Supplier may be unaware of the switched load capability of the Metering System Comparing the ratio of units on each register with the Average Fractions of Yearly Consumption AFYC values in MDD may give an indication of whether the customer has storage heating or other switched load The customer tariff may also be indicative of the switched load capability of the Metering System When the E11 is investigated in conjunction with an E13 determining the correct SSC may help to establish the correct Profile Class However in many cases a SSC can be valid with more than one Profile Class so the evaluation described above
56. re that a D0205 was not sent to the SMRS on the basis of a change of Energisation Status that never took place check for meter advances or evidence of pre payment cards keys being topped up whether the customer is paying bills although this may not be an appropriate check for group accounts or has challenged a bill e g via call centre check the Energisation Status on the D0217 received from SMRS on registration of the Metering System If the current SMRS Energisation Status differs from that on the D0217 and there is no evidence e g D0139 D0179 D0150 to suggest that a subsequent change of Energisation Status has taken place investigate why a D0205 was sent check for a D0213 from SMRS notifying a change of Energisation Status by a previous Supplier 3 12 6 Correction If the SMRS view is incorrect check whether a D0205 has been sent to SMRS notifying the required Energisation Status change and if not send one If the inconsistency in Energisation Status pre dates the start of the current Registration amend the Energisation Status with effect from the Supply Start Date If the inconsistency in Energisation Status pre dates the latest Settlement Date subject to a Final Reconciliation Run select an appropriate date not yet subject to Final Reconciliation from which to amend the Energisation Status e if a D0205 has been sent check whether a D0203 has been received from the SMRS rejecting it and if so re send hav
57. rials are made available for you for the purposes of your participation in the electricity industry If you have an interest in the electricity industry you may view download copy distribute modify transmit publish sell or create derivative works in whatever format from this document or in other cases use for personal academic or other non commercial purposes All copyright and other proprietary notices contained in the document must be retained on any copy you make All other rights of the copyright owner not expressly dealt with above are reserved No representation warranty or guarantee is made that the information in this document is accurate or complete While care is taken in the collection and provision of this information ELEXON Limited shall not be liable for any errors omissions misstatements or mistakes in any information or damages resulting from the use of this information or action taken in reliance on it 7 November 2013 Version 5 0 ELEXON 2013 Page 45 of 45
58. ring Systems in terms of settling 97 energy on AAs at RF even if the D0095 exception is classed as immaterial and requires no action Where the first EAC is of the Registration is incorrectly associated with the old Supplier and there is a concurrent change of NHHDA an E04 exception will also be reported 3 8 4 Analysis and Correction Failure to process notification from SMRS of new Supplier appointment If the Effective from Settlement Date of last Data Collector Data J1219 is later than Effective from Settlement Date of last MPAS Data J1167 on the D0095 and the Metering System has been lost to another Supplier this would suggest either a NHHDC de appointment issue see below or that the D0209 from SMRS notifying the NHHDA of the appointment to the new Supplier has failed This should be referred to the SMRS to check for a D0023 The new Supplier recipient of the related E14 exception is better placed to resolve this type of exception Change of Supplier reading not processed Where E08 exceptions have no material impact on Settlement there is no obligation on Suppliers to resolve them under the terms of BSC Section S Where the E08 is the result of a delayed CoS reading as described above it is recommended that Suppliers refer the exception to the NHHDC Whether this is done under the umbrella of D0095 resolution or as part of a change of Supplier escalation process is down to local procedures The Supplier should
59. sed in Settlement so there is no immediate Settlement impact However regardless of the impact on Settlement Suppliers may wish to investigate E07 exceptions These exceptions are designed to alert Suppliers to the fact that a change of NHHDC process has not worked correctly and there may be further impacts of the failed NHHDC process either in respect of the particular Metering System or in relation to the process generally If more than one NHHDC believes they are appointed there is a risk that both will attempt to read the meter with a consequent risk of customer complaints There may also be contractual implications for the Supplier if more than one NHHDC is carrying out work in respect of the same Metering System 3 7 3 Assessment All E07 exceptions can be considered to be immaterial The E07 exceptions reported to each NHHDC are exact duplicates Since E07 exceptions have no material impact on Settlement Suppliers are not obligated to analyse or correct them under the terms of BSC Section S However Suppliers may wish to do so as a result of the potential impact described above 3 7 4 Analysis Determine which agent is the intended current NHHDC 7 November 2013 Version 5 0 ELEXON 2013 Page 23 of 45 Use the reading and EAC AA histories for the Metering System to determine whether the E07 is the result of a corrective action by the new NHHDC or the result of the old NHHDC continuing to process readings after a failed de a
60. sion 5 0 ELEXON 2013 Page 11 of 45 3 3 2 Impact Where the AA is sent to the correct NHHDA as well as an incorrect NHHDA there will be no direct impact on Settlement as the AA will not be used in Settlement Where the AA is sent to an incorrect NHHDA instead of to the correct NHHDA the misdirected AA will be ignored There will usually be an associated E01 E02 or E06 exception which in turn will result in the use of a Default EAC Where the AA is sent to the correct NHHDA but the appointment of the NHHDA e g for new connection or on change of NHHDA has failed data will be missing from Settlement 333 Related Exceptions An E03 exception may be reported in conjunction with an E04 EAC with no NHHDA appointment exception See E04 section for details 3 3 4 Assessment An E03 is always immaterial except when the AA has been sent to the correct NHHDA but the NHHDA does not recognise that it has been appointed i e as a result of a failed instruction or the NHHDA is not aware that the NHHDC sending the AA is appointed within its own appointment as NHHDA i e as a result of a failed instruction Repeated E03 exceptions for the same Metering System NHHDA NHHDC but with different AA Effective From Settlement Dates followed by a single E04 exception would indicate a failed NHHDC de appointment issue or failed NHHDA appointment issue that needs to be resolved 3 3 5 Analysis and Correction Misdirected Consumption Data
61. sistent Exception reported to the Supplier according to NHHDC See also E08 Please note that E09 exceptions only relate to discrepancies between Measurement Class A Non Half Hourly Metered and B Non Half Hourly Unmetered 7 November 2013 Version 5 0 ELEXON 2013 Page 3 of 45 2 2 Use of this Guide Section 3 of this User Guide consists of a sub section for each of the fourteen Exception Types listed above The objective of each Exception Type is given together with a brief description of the Exception Type and a more detailed description of the circumstances under which exceptions of this type are generated The impact of each Exception Type on Settlement or otherwise is described When planning and designing exception management processes it is worth noting that some Exception Types are best addressed in conjunction with other Exception Types The 14 Exception Types are described sequentially in Section 3 but cross references to related Exception Types are provided The Assessment Analysis Correction sub sections correspond to the three main sub processes described in Section 3 of D0095 User Guide Volume 1 Process Management Guide The steps in the Assessment section are carried out to determine whether the exception needs to be addressed The actions in the Analysis Correction sections are only required where it has been identified that the exception needs to be addressed The analysis
62. t EAC 3 2 5 Notes and Tips Where the lack of consumption data is the result of a Failed Instruction as reported on the D0023 flow the Failed Instruction can only be resolved by the NHHDC that sent the original instruction If a subsequent change of NHHDC has taken place the Supplier can either refer the exception to the old NHHDC to resolve the Failed Instruction or refer the exception to the new NHHDC The new NHHDC can resolve the exception by sending consumption data for the period of the old NHHDCs appointment The exception will always be reported in respect of the new NHHDC 3 3 E03 AA with no NHHDA Appointment 3 3 1 Description Primary Objective To identify when the NHHDC sending AAs is not the SMRS appointed NHHDC and or when the NHHDA receiving AAs is not the SMRS appointed NHHDA Brief Description This exception is raised when there is an AA that does not overlap with a period including the NHHDA appointment and the day prior to that appointment Detailed Description This exception is raised for Supplier x and NHHDC y when there is an AA from NHHDC y that overlaps with the Settlement Date range selected for reporting and the AA does not overlap with a NHHDA appointment that is for a Supplier registration to which NHHDC y is appointed which for the purpose of this exception also includes the day before the appointment and e the Supplier according to NHHDC y is Supplier x 7 November 2013 Ver
63. th a D0155 and has not been incorrectly de appointed with a D0151 If the NHHDC has not been appointed or has been de appointed in error send a D0155 appointment flow If a D0155 flow has been sent but has been rejected via a D0261 resolve the reason for rejection and send a revised D0155 If no D0011 or D0261 has been received chase NHHDC Ensure that a D0148 has been sent to the NHHMO notifying the NHHDC appointment and to the NHHDC notifying the NHHDA and NHHMO appointments If there has been a change of agent ensure that a D0148 has been sent to both the NHHMO and the NHHDC notifying the change Please note that the NHHDC may not have sent any consumption data to the NHHDA because of a failure to process a D0052 from the Supplier or a D0152 from the previous NHHDC This in turn may be because the MOA has failed to provide Meter Technical Details D0150 and mapping details D0149 which may in turn be the result of a problem with the appointment process The D0155 D0011 and D0261 checks described above may also need to be carried out for the MOA Provision of Initial EAC to NHHDC for New Connections Check whether the Metering System is a new connection e g by checking whether old Supplier registration details as notified on D0260 are present 7 November 2013 Version 5 0 ELEXON 2013 Page 7 of 45 If the Metering System is a new connection and the registration appointment details appear to be in order
64. th change of Standard Settlement Configuration The NHHDC may have processed the closing reading on a change of meter with a change of SSC and generated an AA but no associated EAC If no D0052 flow has been sent with an Initial EAC for each Settlement Register of the new SSC it should be sent If a D0052 has already been sent check for a D0310 flow from the NHHDC and action as appropriate Failed change of Profile Class An E02 may also occur following a change of Profile Class where the Supplier has failed to send the NHHDC an Initial EAC s for the new Profile Class or the NHHDC has failed to process the EAC Please note that the EAC AA calculator does not calculate a forward EAC on change of Profile Class 7 November 2013 Version 5 0 ELEXON 2013 Page 10 of 45 If a change of Profile Class has taken place check whether a D0052 has already been sent to the NHHDC notifying the Initial EAC for the new Profile Class and if not send one if a D0052 has already been sent check for a D0310 flow from the NHHDC and action as appropriate Instruction processing failures Failure to process D0019 instructions may result in gaps or anomalies in consumption history Where the Supplier is otherwise unable to identify the cause of the exception the details should be referred to the NHHDC to determine whether the Metering System is subject to any outstanding D0023s Please note that an E02 will be reported where there is no AA after the lates
65. the exception 3 10 2 Impact The GSP Group recorded in SMRS will be used for aggregation purposes If the GSP Group in SMRS is incorrect energy will be allocated to the wrong GSP Group If the GSP Group provided by the NHHDC is incorrect the wrong Daily Profile Coefficients DPC will have been used by the NHHDC to calculate an AA EAC or the Initial Class Average EAC value provided by the Supplier will be for the wrong GSP Group 3 10 3 Related Exception Types None 3 10 4 Assessment An E10 exception may be judged to be immaterial if a change of NHHDC has taken place since the exception was first reported and e the exception has been corrected by the new NHHDC sending an AA for the period during which the old NHHDC was originally appointed with the correct GSP Group and the exception is now only being reported in respect of the old NHHDC The exception reported in respect of the old NHHDC is immaterial because the AA provided by the new NHHDC with the correct GSP Group will be used in Settlement Otherwise all E10 exceptions have a material impact on Settlement however small and need to be addressed 7 November 2013 Version 5 0 ELEXON 2013 Page 30 of 45 3 10 5 Analysis It is unlikely that the SMRS view of a Metering System s GSP Group is incorrect or that Suppliers will have sufficient information to determine that a Metering System s GSP Group as notified on a D0217 from SMRS is incorrect Check wh
66. the old NHHDC in order to send it to the new NHHDA so the E01 may be the result of a failed change of NHHDC process Registration of NHHDC in SMRS Check that the E01 exception has been reported in respect of the intended NHHDC for the Metering System i e the latest NHHDC within the Supplier Registration Where consumption data has not been received from successive NHHDCs one of the E01 exceptions reported should be in respect of the intended NHHDC A D0011 D0010 or D0019 from a NHHDC other than that or those reported on the D0095 s would be a strong indication that SMRS holds incorrect NHHDC details If the D0055 did not include the NHHDC Id and a subsequent D0205 has not been sent or has been rejected or the resultant D0209 to the NHHDA has been rejected SMRS will have defaulted to the NHHDC registered by the previous Supplier In some cases this may have resulted in an invalid Supplier Hub Send a D0205 if not already sent Unless there has been a subsequent change of NHHDC in SMRS a retrospective change should be accepted Otherwise check for a D0203 from the SMRS and resolve If no D0203 refer to the intended NHHDA to check for a failed D0209 NHO1 or NHO2 instruction and request that a D0023 flow is sent to the SMRS if it has not already been sent If the NHHDA confirms that a D0023 has been sent to SMRS refer to SMRS for resolution Appointment of NHHDC MOA Check that the intended NHHDC has been appointed wi
67. the status of energised in SMRS indicates with a high degree of certainty that the Metering System is energised The fact that the non zero AA is used in Settlement means that the E05 exception is immaterial The E12 exception needs to be addressed however as the NHHDC view of the Energisation Status is incorrect If there is no associated E12 exception this would indicate that the Metering System is de energised according to both the NHHDC and SMRS 7 November 2013 Version 5 0 ELEXON 2013 Page 17 of 45 Check the meter reading associated with the AA reported on the D0095 If the Reading Type J0171 is D for Deemed and was deemed under correct circumstances e g on Change of Supplier CoS or when the date of previous reading has been subject to Final Reconciliation then no further action needs to be taken If the meter reading is an actual reading or Customer Own Read COR this would suggest either that illegal abstraction has occurred or that both the NHHDC and SMRS hold the incorrect Energisation Status probably as the result of a failure by the MOA to notify the energisation of the Metering System In either case there will be no Settlement impact but Suppliers may wish to carry out further analysis of the exception as described below 3 5 5 Analysis This section assumes that the Metering System is recorded as de energised in SMRS and NHHDC i e there is no associated E12 exception and that the AA was calculated
68. to de appoint the old NHHDA on change of NHHDA In this case there is the potential for double counting of the Metering System in Settlement 3 2 3 Assessment An E02 is always material except where the NHHDA is the subject of a failed de appointment instruction from the SMRS to the NHHDA Such failures occur in very low numbers so it is advisable to treat all E02 exceptions as material 7 November 2013 Version 5 0 ELEXON 2013 Page 9 of 45 3 2 4 Analysis Correction Failed change of NHHDA An E02 may be the result of a failed change of NHHDA the old NHHDA has correctly received an AA up to the de appointment date with no EAC because the NHHDC has been informed of the de appointment but the de appointment of the NHHDA has failed Check whether a change of NHHDA has been initiated with effect from the First Settlement Date With No Data J1152 as notified in the D0095 Check for a D0203 from the SMRS notifying a failed D0205 and resolve If no D0203 received refer to the NHHDA to check for a D0209 NHO1 instruction terminating the earlier appointment which has failed and request that a D0023 flow is sent to the SMRS if it has not already been sent If the NHHDA confirms that a D0023 has been sent to SMRS refer to SMRS for resolution NHHDC informed of a change of NHHDA which didnt take place or was backed out The NHHDC may have been notified of a change of NHHDA and sent an AA with no associated EAC However the
69. vember 2013 Version 5 0 ELEXON 2013 Page 38 of 45 3 13 5 Analysis SSC inconsistencies may arise for a number of reasons The Supplier or a previous Supplier has registered the incorrect SSC This may occur on tariff change The Supplier may have derived the SSC from the commercial tariff rather using the SSC notified by the MOA Or the Supplier may have re evaluated the SSC on gaining the Metering System and arrived at a different SSC to that held in SMRS or by the NHHDC e The Supplier has failed to update SMRS after a change of SSC or the SMRS update to NHHDA has been rejected NHHDC has not sent any consumption to the NHHDA in respect of the new SSC This in turn may be the result of the Supplier failing to send a D0052 to the NHHDC or of the D0052 being rejected potentially as a result of a mismatch with the SSC provided by the MOA on the Non Half Hourly Meter Technical Details D0150 flow e The NHHDC has sent an EAC s for a new SSC to the NHHDA but the D0019 has been rejected and the resultant D0023 has not been acted on The Supplier has sent SMRS a new SSC which is effective from a different date to that notified by the MOA If the NHHDC uses the MOA date then a period of inconsistency will exist The NHHDC has used the SSC from a previous appointment and there has been a change in the intervening period One of these failures may have occurred in an earlier Registration such that the current Supplier h
70. xception is not having a material impact on Settlement 3 12 5 Analysis Energisation Status inconsistencies may arise for a number of reasons a change of Energisation Status has failed e g Supplier has failed to update SMRS after an Energisation de energisation by the MOA or the NHHDC has not been notified by the MOA of a change of Energisation Status NHHDC has not sent any consumption to the NHHDA with the new Energisation Status This may be because a reading taken on the energisation de energisation of the Metering System has not been provided or has failed validation Or consumption data sent to the NHHDA has failed and the resultant D0023 has not been addressed the NHHDC is using the Energisation Status from a previous appointment and there has been a change of Energisation Status in the intervening period of which the NHHDC has not been notified One of these failures may have occurred in an earlier Registration such that the current Supplier has effectively inherited the exception or the inconsistency may date back to the population of systems at the start of the 1998 Trading Arrangements Determining the correct Energisation Status Check for an E05 exception for the same Metering System The combination of an E05 E12 implies that the Metering System is de energised according to the NHHDC but energised according to the SMRS The combination of a non zero AA except where the AA is derived from a Deemed Reading
71. y but checking the D0153 and associated D0011 D0261 flows may be useful for diagnostic purposes NHHDA appointment not terminated following an upheld objection If the NHHDA reporting the E01 exception was registered in SMRS for the Metering System via a D0055 or D0205 but a subsequent D0093 has been received from SMRS i e notifying that an objection has not been removed by the time of the expiry of the objection resolution period this would suggest that the NHHDA has failed to process a termination of appointment flow Refer to NHHDA to check for a D0209 NHO1 instruction terminating the earlier appointment which has failed and request that a D0023 flow is sent to the SMRS if it has not already been sent If the NHHDA confirms that a D0023 has been sent to SMRS refer to SMRS for resolution Change of NHHDA On change of NHHDA the NHHDC should send the latest EAC to the new NHHDA If a change of NHHDA has been carried out and the D0095 exception is reported by the new NHHDA check that a D0148 has been sent notifying the NHHDC of the identity of the new NHHDA If so refer to the 7 November 2013 Version 5 0 ELEXON 2013 Page 6 of 45 NHHDC requesting that the latest EAC is sent to the new NHHDA or that any relevant Failed Instructions are addressed On concurrent change of NHHDA NHHDC the Supplier should additionally check that the new NHHDC has been successfully appointed as below The new NHHDC needs the latest EAC from

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