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PGE Water Heater ET Final Report - FINAL.pdf - Emerging ...

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PG&E’s <strong>Emerging</strong> Technologies Program <strong>ET</strong>12<strong>PGE</strong>3191<br />

PG&E<br />

Area<br />

Code Population<br />

AREA1 1,581,429<br />

AREA2 2,560,125<br />

AREA3 2,439,674<br />

AREA4 2,894,847<br />

AREA5 1,801,249<br />

AREA6 3,225,132<br />

AREA7 1,309,738<br />

None 73,751<br />

Total 15,885,945<br />

Population<br />

in owneroccupied<br />

housing<br />

units<br />

789,230<br />

1,528,902<br />

1,367,805<br />

1,564,670<br />

1,030,970<br />

1,950,887<br />

774,735<br />

26,332<br />

9,033,531<br />

Population<br />

in renteroccupied<br />

housing<br />

units<br />

752,851<br />

983,503<br />

1,017,822<br />

1,226,926<br />

725,501<br />

1,206,599<br />

501,002<br />

37,973<br />

6,452,177<br />

Median<br />

household<br />

income in<br />

1999 --<br />

Owner<br />

occupied<br />

85,650<br />

73,694<br />

85,656<br />

47,964<br />

49,063<br />

55,964<br />

64,359<br />

52,207<br />

64,657<br />

Demographics<br />

Median<br />

household<br />

income in<br />

1999 --<br />

Renter<br />

occupied Households<br />

48,172 624,664<br />

37,767 920,871<br />

48,751 812,485<br />

24,627 907,119<br />

25,560 574,831<br />

28,500 1,182,638<br />

35,323 509,312<br />

18,371 24,758<br />

35,432 5,556,678<br />

The water heater population in PG&E geographic region has been calculated using the<br />

Census data and the results of the 2009 Residential Appliance Saturation Survey (RASS).<br />

RASS estimates total water heater population for all water heater types. Electric heat pump<br />

population is less than 1 percent of the total. Because of this small sample size, heat<br />

pumps have not been included in the segmentation analysis. The water heater population<br />

analysis places the water heater stock by water heater type into the geographic segments.<br />

Table 6 also includes the distribution of PG&E’s 2011 water heater rebates by Area segment.<br />

Segmentation data for PG&E’s population (Table 6), water heater stock (Table 6), and<br />

channel presence (Table 5) are used to identify market segments on which to focus in the<br />

water heater program design.<br />

26<br />

Owneroccupied<br />

housing<br />

units<br />

288,147<br />

543,426<br />

461,792<br />

519,397<br />

347,703<br />

730,254<br />

309,681<br />

10,070<br />

3,210,470<br />

Renteroccupied<br />

housing<br />

units<br />

336,517<br />

377,445<br />

350,693<br />

387,722<br />

227,128<br />

452,384<br />

199,631<br />

14,688<br />

2,346,208<br />

HIGH EFF<br />

HIGH EFF WTR HTR<br />

WTR HTR (GAS) HIGH EFF<br />

(GAS) >=0.62 WTR HTR<br />

Total Gas Tankless<br />

>=0.65 .93 2011<br />

<strong>Heater</strong> <strong>Heater</strong> <strong>Water</strong> Rebate Rebate Rebate Rebate<br />

Stock Stock <strong>Heater</strong> Stock Count Count Count Count<br />

AREA1 581,105 19,831 44,580 105 408 18 531<br />

AREA2 807,223 26,838 74,112 177 823 24 1,024<br />

AREA3 739,735 19,014 62,989 176 723 37 936<br />

AREA4 776,392 30,568 89,207 47 235 30 312<br />

AREA5 454,441 14,479 56,379 52 250 33 335<br />

AREA6 878,210 30,508 135,222 202 1,015 81 1,298<br />

AREA7 395,389 25,024 67,438 89 480 42 611<br />

None 20,988 959 2,662 1 1 -<br />

2<br />

Total 4,653,482 167,221 532,589 849 3,935 265 5,049<br />

Average<br />

Age of<br />

Housing<br />

(Years)<br />

54<br />

41<br />

38<br />

34<br />

32<br />

31<br />

39<br />

32<br />

38

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