How Much Electricity Will I Save?

The following table illustrates the percentage of one's electric bill that the systems could eliminate in relationship to the average annual electric usage in the US.

Assumptions: 10,656 kW per yr. average annual household DOE 1999, and peak sun hours (click here to see peak sun hours table).

1 kW SYSTEM
2 kW SYSTEM
3 kW SYSTEM
STATE

22%
43%
65%
ARIZONA

25%
51%
76%
CALIFORNIA ***

22%
44%
66%
COLORADO ***

13%
26%
38%
CONNECTICUT

13%
26%
38%
DELAWARE

18%
37%
55%
FLORIDA

20%
39%
59%
HAWAII

17%
34%
51%
IDAHO

14%
28%
42%
IOWA

12%
24%
36%
ILLINOIS

17%
34%
50%
LOUSIANA

16%
33%
49%
MAINE

14%
28%
41%
MARYLAND

14%
27%
41%
MASS

14%
28%
42%
MICH

13%
26%
38%
MINNESOTA

16%
32%
48%
MISSOURI

17%
35%
52%
MONTANA

21%
42%
63%
NEVADA

14%
28%
42%
NEW JERSEY

21%
42%
63%
NEW MEXICO

15%
29%
44%
NEW YORK

17%
34%
51%
NORTH CAROLINA

16%
32%
48%
NORTH DAKOTA

17%
34%
51%
OREGON

14%
27%
41%
RHODE ISLAND

25%
49%
74%
SOUTH CAROLINA

22%
43%
65%
TEXAS - AUSTIN

19%
39%
58%
UTAH

14%
27%
41%
VERMONT

18%
36%
55%
WASHINGTON***

14%
28%
43%
WISCONSIN

20%
40%
60%
WYOMING

19%
38%
58%
PUERTO RICO

18%
37%
55%
US VI