Energy Savings SDG&E and SoCalGas ESAP Workshop 2 October 19, 2011

SAN DIEGO GAS & ELECTRIC

Annual Energy Savings and Costs by Measure Categories Proposed Average Year for PY2012 to 2014 Actual Average Year for PY2009 to 2011

SDG&E PY2012 to PY2014 Avg Year Measure Categories Total Annual kWh Savings Total Annual Therms Savings Cost Appliances2,737,46152,836 $ 4,556,236 Domestic Hot Water135,178153,136 $ 1,604,000 Enclosure150,69932,892 $ 3,231,299 HVAC4,22112,732 $ 1,518,190 Maintenance7,63532,131 $ 545,936 Lighting4,290,2680 $ 2,654,027 Miscellaneous750,0000 $ 463,500 Total8,075,462283,727 $ 14,573,188 Souce: Table A-2, A-4 from PY2012 to 2014 Application, Average Year Homes treated: SF: 10,236MF: 8,243MH: 1,521 Total: 20,000

SDG&E PY2009 to PY2011 Avg Year Measure Categories Total Annual kWh Savings Total Annual Therms Savings Cost Appliances 1,977,15134,595 $ 2,044,050 Domestic Hot Water 309,647270,558 $ 1,736,056 Enclosure 194,15573,719 $ 4,168,767 HVAC 67,70532,085 $ 1,586,224 Maintenance 8,31014,678 $ 561,261 Lighting 4,720,5860 $ 2,718,596 Miscellaneous Total 7,277,554425,634 $ 12,814,953 Souce: Table A-2, A-8 from PY2010 Annual Reprt Homes treated: SF: 10,139MF: 10,380MH: 1,074 Total: 21,593

Annual Energy Savings, Units Installed and Costs by Measure Proposed Average Year for PY2012 to 2014 (used 2012) Actual Average Year for PY2009 to 2011 (used 2010)

MeasuresUnits Quantity Installed kWh (Annual) Therms (Annual) Proposed Expenses Appliances High Efficiency Clothes WasherEach 1,467 21,453 52,836 $ 948,270 RefrigeratorsEach 3,608 2,473,186 - $ 3,697,075 MicrowavesEach ,178 - $ 56,298 Domestic Hot Water Water Heater BlanketHome ,805 $ 47,218 Low Flow Shower HeadHome 14,491 17,274 44,359 $ 883,404 Water Heater Pipe InsulationHome 1,790 2,070 3,288 $ 7,297 Faucet AeratorHome 15,192 10,564 27,366 $ 216,278 WaterHeater Repair/Replacement Each $ 44,449 Thermostatic Shower ValveEach 5, ,538 75,317 $ 359,077 SDG&E Proposed PY2012 (From App. Table A-2)

Enclosure Air SealingHome 12, ,832 31,017 $ 2,650,156 Attic InsulationHome ,875 $ 487,915 HVAC FAU Pilot Light ConversionEach ,732 $ 91,980 Furnace Repair/ReplacementEach 2, $ 1,017,979 Room A/C ReplacementEach 437 4,221 - $ 364,241 Maintenance Furnace Clean and TuneHome 9, ,131 $ 526,039 Central A/C Tune-upHome 32 7,635 - $ 4,146 Lighting CFLsEach 101,707 1,865,959 - $ 722,830 Interior Hard wired CFL fixturesEach 11, ,007 - $ 892,726 Exterior Hard wired CFL fixturesEach 2, ,858 - $ 158,752 TorchiereEach 6,405 1,223,444 - $ 640,922 LED Night LightsEach 50, ,000 - $ 162,225 Miscellaneous Smart StripEach 10, ,000 - $ 450,000 MeasuresUnits Quantity Installed kWh (Annual) Therms (Annual) Proposed Expenses SDG&E Proposed PY2012 (From App. Table A-2), continued

MeasuresUnitsQtykWhTherms Expenses FurnacesEach2,115 04,132 $ 936,437 A/C Replacement - RoomEach499 26,5300 $ 453,806 A/C Tune-up - CentralEach40 8,3100 $ 5,000 Envelope and Air Sealing MeasuresHome16, ,67346,451 $ 3,433,315 Duct SealingHome742 41,17514,051 $ 90,693 Attic InsulationHome775 2,48227,268 $ 735,452 Water Heater Conservation MeasuresHome17, ,134182,796 $ 1,281,788 Water Heater Replacement - GasEach $ 65,280 CFLsEach110,806 1,772,8960 $ 700,180 Interior Hard wired CFL fixturesEach11, ,7690 $ 828,195 Exterior Hard wired CFL fixturesEach3, $ 190,593 TorchiereEach8,994 1,717,8540 $ 846,942 Refrigerators -PrimaryEach1,953 1,458,6830 $ 1,356,993 Forced Air Unit Pilot Change OutEach ,902 $ 105,288 Furnace Clean and TuneEach9, ,678 $ 556,261 High Efficiency Clothes WasherEach971 19,81034,595 $ 609,293 MicrowaveEach ,6580 $ 77,765 Thermostatic Shower ValveEach6, ,51386,890 $ 388,988 LED Night LightsEach49, ,0670 $ 152,686 SDG&E Completed PY2010 (From Annual Report Table 2)

SOUTHERN CA GAS CO.

Annual Energy Savings and Costs by Measure Categories Proposed Average Year for PY2012 to 2014 Actual Average Year for PY2009 to 2011

SoCalGas PY2012 to PY2014 Avg Yr Homes treated: SF: 71,146MF: 22,374MH: 6,730 Total: 100,249 Measure Categories Total Annual Therms Savings Cost Appliances224,590 $ 4,689,312 Domestic Hot Water1,451,434 $ 12,132,721 Enclosure390,070 $ 26,174,054 HVAC486,991 $ 13,969,408 Maintenance72,571 $ 2,000,474 Lighting0 $ - Miscellaneous0 $ - Total2,625,656 $ 58,965,970 Souce: Table A-2, A-4 from PY2012 to 2014 Application, Average Year

SoCalGas PY2009 to PY2011 Avg Yr Homes treated: SF: 86,067MF: 27,066MH: 8,141 Total: 121,274 Measure Categories Total Annual Therms Savings Cost Appliances 2,923 $ 61,246 Domestic Hot Water 1,356,506 $ 6,072,685 Enclosure 861,567 $ 30,436,364 HVAC 72,607 $ 11,996,328 Maintenance 33,683 $ 752,725 Lighting Miscellaneous Total 2,327,287 $ 49,319,348 Souce: Table A-2, A-8 from PY2010 Annual Report

Annual Energy Savings, Units Installed and Costs by Measure Proposed Average Year for PY2012 to 2014 (used 2012) Actual Average Year for PY2009 to 2011 (used 2010)

MeasuresUnitsQty Therms (Annual) Proposed Expenses Appliances High Efficiency Clothes WasherEach 5, ,085 $ 4,273,045 Domestic Hot Water Water Heater Conservation MeasuresHome Water Heater BlanketHome 6,917 42,024 $ 457,920 Low Flow Shower HeadHome 91, ,310 $ 3,714,350 Water Heater Pipe InsulationHome 6,188 13,831 $ 239,293 Faucet AeratorHome 83, ,744 $ 1,296,837 Water Heater Repair/ReplacementEach 7,778 - $ 2,023,377 Thermostatic Shower ValveEach 103, ,673 $ 6,321,660 Enclosure Envelope and Air SealingHome 122, ,978 $ 28,990,478 Attic InsulationHome 1,037 13,394 $ 992,414 HVAC FAU Standing Pilot Light ConversionEach 13, ,264 $ 4,393,060 Furnace Repair/ReplacementEach 11,757 - $ 11,660,564 Maintenance Furnace Clean and TuneHome 37,996 85,271 $ 2,303,685 SoCalGas Proposed PY2012 (From App. Table A-2)

MeasuresUnitsQtyTherms Expenses FurnacesEach 9,948 25,396 9,653,055 Envelope and Air Sealing MeasuresHome 98, ,512 24,716,017 Duct SealingHome 1,966 41,360 2,302,566 Attic InsulationHome 6, ,055 5,720,347 Water Heater ConservationHome 101,776 1,341,841 4,851,776 Water Heater Replacement - GasEach 1,212 14,665 1,220,909 Forced Air Unit Pilot Change OutEach 133 5,852 40,707 Furnace Clean and TuneEach 11,939 33, ,725 High Efficiency Clothes WasherEach 79 2,923 61,246 SoCalGas Completed PY2010 (From Annual Report Table 2)