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.
|
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
|
|
|
|
|
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
|
