Auditing energy usage for households
Contents
1. 0 0 5 cylinder Blender 1 400 3 1 0 4 Dishwasher po CY Electric of o Cooker Hood Do oi 8 5 Electric 0 9 0 Bathroom Laundry Water Heater Washing Machine ao 2200 5 Eiee 45 Iron 1 moo Electric S 15 0 __Electric 1 S800 3 Eemi Clothes Dryer o ol O Electric ol Living Rm Bedroom Fan o o 6 a 5 Electrice 300 13 5 Television _ pt of 7 Eletric iO 1 M 250 7 Electric 6f 15 Computer _ a 120 2 _ Electric 30 36 Air Conditior o o es 0 0 Air Conditioner 1 5hp Lighting Incandescent Lamps 60W 0 0 0 Electric 0 0 Incandescent Lamps 80w 0 of Electric of ol Incandescent Lamps 100w 0 of Electric of ol Flourescent Lamps 18W Eo Compact Flour Lamps 5W 0 Electric OT Compact Flour Lamps 11W 6 n 03 Electric 50 SO Compact Flour Lamps 15W 0o o oO Eec ric CC Others Vacuum Cleaner Pt 3o 4a Electrice TT tkwi E 1o00 1 Electric o A DDC Project publication by CETDEM 3 Version 2 Calculate Electricity Cost Page 2 2 Usage Cost Breakdown Unit Cost Calculated Units Calculated Cost il Up to 200 200 to RM 0 218 RM 0 256 RM 0 278 Total Calculated Cost Mileage Total km Consp L Pt Transportation Pngine Age of Item Capacity Vehicle Fuel Type cc Vehicle 1 Work Leisure O i2. 0 Storage Water Heater 55 I 3000 Kitchen Appliances Refrigerator 170 550 Microwave Oven 1050 2100 Hob Extractor Fan 144 Electric Kettle 1200 2400 Coffee Maker 1200 Food Processor Blender 400 Toaster 2 Slice 1200 Rice Cooker 260 1550 Electric Oven 600 1000 Electric Whisk Mixer 120 Cooker Small Ring Electric 1250 Cooker Large Ring Electric 2100 Hygiene Hair Dryer 750 1500 Hair Curler 750 Electric Toothbrush 6 A DDC Project publication by CETDEM Version 2 General Household Clock Radio 5 Electric Iron dry 950 1100 Electric Iron steam 1200 1450 Washing Machine top loading 210 450 Washing Machine front loading 1150 1800 Electric Clothes Dryer 5750 Vacuum Cleaner 800 1600 Ceiling fan 71 95 Entertainment Communications Television 80 175 Satellite System with auto orientation remote control 45 Video Recorder VCR 30 CD Player DVD Player 30 AC Powered Stereo average volume 55 AC Powered Stereo surround sound system 500 Step 2 Then evaluate the existing equipment s power consumption such as if the equipment is put on standby More generally it is noting down the way your home is operated e Identify equipment s that consume a lot of power e Identify equipment s that is normally put on standby power e Analyze how the house is operated and categorise equipment or their usage pattern as required and in excess Step
3. 3 The third step is to come up with a plan on how power consumption in the home can be reduced The plan can be put into action immediately or gradually to complement your lifestyle There are currently no standards to adhere to It is really up to you to categorise what is needed and what is in excess e Create a plan to reduce energy consumption based on your categorisation e Implement the plan gradually or immediately Step 4 The fourth step is a post mortem of the implemented plan e Record the new energy consumption profile of the house e Reanalyze the plan and make amendments as necessary At this point you should be able to witness the reduction of energy consumption in your home A DDC Project publication by CETDEM Version 2 Here is an example of how the audit form can be used Sample Energy Audit Form Page 1 2 Date of Audit 23 Nov 2001 Eo House Owner Sto et Jinggo NN Address Sa O 5 East 4 Street Chow YF Park 90240 Kuala Lump Double Storey Link House lt 2 Adults 3 Children Electricity House Type No of People Ave Monthly Bill Total Age of Type of Usage Energy Item Equipment Energy ave 30d Used per mth Years _ Electric Gas hrs month kwh Kitchen _ O Gag w ol Rice Cooker Microwave Oven Oven Elect Gas Oo o oi 2200 2 Eiee 2 4al Stove 1 NA 5 Gas 3
4. Auditing energy usage for households A DDC Project Publication by Centre for Environment Technology and Development Malaysia CETDEM 17 Jalan SS2 53 47300 Petaling Jaya Selangor Tel 03 78757767 Fax 03 78754039 URL www cetdem org my with funding from Danish International Development Assistance DANIDA Auditing Energy Usage for Households Energy consumption can be controlled and reduced by monitoring and adjusting the equipment operations and analyzing which equipment consumes most power By making households more energy efficient the negative impacts on the environment can be reduced Energy efficiency at home involves monitoring household operations and making adjustments The first step is to audit energy consumption for every household equipment and how it is operated A blank energy audit form is provided at the end of this document to help you start this process Step 1 e Obtain equipment power rating e Analyze and log the operation time for at least a month Below is a list of some common household items and their corresponding average power rating Your electrical items may have different power ratings Table A Average Household Item Power Rating Appliance Description Watts Air Conditioning Units Air Cooled Split Unit 1 0 hp 750 Air Cooled Split Unit 1 5 hp 1000 Air Cooled Split Unit 2 0 hp 1200 Water Heaters Instant Water Heater 100
5. Vehicle 2 a Sa Tals O o M wd Leisure L L Analysis e Most power consuming equipment combination of rating amp operation o Refrigerator Water Heater Washing Machine Air Conditioner e Equipment are fairly new e Did not check energy rating of equipment when buying the equipment Proposed plan for implementation e Use cold rinse for washing machine e Use water heater only on really cold days and take quick showers e Use air conditioner on really hot nights and set a higher temperature can sleep without blanket and put it on timer to turn off after 1 hr Implementation after 1 month e Manage to reduce operating hours for the following equipment o Water heater to 7 5 hrs o Air conditioner to 30 hrs Post Mortem e Average electricity bill has been reduced by RM 12 00 saved 50 kwh x RM 0 257 e Reduction of 50 kg CO2 equivalent released into the atmosphere for each kwh of electricity saved 1 kg CO2 is not released into the atmosphere e Will try to not use hot water heater and air conditioner at all e Will change to more energy efficient refrigerator in the future e Switch off standby powered equipment Consumes 10 more power A DDC Project publication by CETDEM 4 Version 2 Audit your own home with this form Energy Audit Form Ave Monthly Bill 1 Electricity Gas Petral Household Monthly Less than RM1000 RM2501 RM5001 More than Income please circle RM1000 RM2500 RM5000 RM8000 RM8000 Age of Usage E
6. estimated power consumption for equipment can be obtained from Table A if the equipment rating or the user manual is not available e Analyze energy usage space by space e Itis much appreciated if you are able to forward a copy of your home s audit form to us Your form will assist us in setting up a profile of energy usage in Malaysia Rest assured all information in the profile will be anonymous You may send the form to us via Post 17 Jalan SS2 53 47300 Petaling Jaya Selangor Email tcddc cetdem org my Fax 03 78754039 A DDC Project publication by CETDEM 6 Version 2
7. quipment ave 30d Watts Years Electric Gas Refrigerator FC a T E Rice Cooker o S e e Microwave Oven o S o T Oven Elect Gas Jo o So Stove i Stove Cooker Hood o o S S S S Bathroom Laund Water Heater O J CT S T S y Washing Machine CT T T S y y Iron o ooo S e S S e y Hair Dryer o o o CTC S S y Clothes Dryer Living Rm Bedroom Fan C O e S S S y Television O O o S T S y Radio o o ooo o o o o o Computer CC S e Air Conditioner 1 0hp CT T T S y y Air Conditioner 1 5hp T S S Incandescent Lamps 60w J To o To T Incandescent Lamps 80w T Incandescent Lamps 100w Jo o Soo o d Flourescent Lamps 18W J o o y Flourescent Lamps 32W J o Soo o S y Compact Flour Lamps 11W Jo o d o e Compact Flour Lamps 15W TT S S Vacuum Cleaner Oooo d S S e Page 1 2 Total Energy Used per mth This figure is 65 of 720 hours 24hours x 30 days This is because the fridge compressor is not working all the 24hours a day A DDC Project publication by CETDEM Version 2 Page 2 2 Calculate Electricity Cost Up to 200 200 to Usage Cost Breakdown 800 kwh gt 800kwh Unit Cast T RM0 218 RM 0 256 RM 0 278 Calculated Units Calculated Cost po Total Calculated Cost Transportation Engine E i Age of Mileage Total prom te cc Ei km Consp L H o y Vehicle 2 Work SSS Leisure ae Notes e The
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