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State Solar Power Rankings

Medium Potential High Potential
$51 217
Average lifetime savings
9 years
Average system payback period
6 ¢ /kWh
Levelized cost of solar energy
$13396.97
Average cost of a 4kW solar power system in 2021
6.95 kW
Recommended system size
5.18 kWh / m² / day
Average solar radiation per day
State Rank AC Energy (kWh) Solar Radiation (kWh / m2 / day)
Arizona 1 7288.64 6.30
New Mexico 2 7637.80 6.55
Nevada 3 7053.83 5.95
Louisiana 4 7146.30 6.21
Hawaii 5 5677.69 4.81
California 6 6745.44 5.97
Colorado 7 7359.61 6.19
Texas 8 6634.49 5.73
Utah 9 6641.90 5.60
Wyoming 10 6841.77 5.73
Florida 11 8121.10 5.48
Kansas 12 6692.92 5.66
Oklahoma 13 6556.93 5.58
Oregon 14 6408.92 5.38
Georgia 15 6134.35 5.38
South Carolina 16 6291.76 5.40
Nebraska 17 6598.12 5.52
Idaho 18 6345.55 5.35
North Carolina 19 6047.01 5.32
Alabama 20 6013.60 5.35
Mississippi 21 6019.92 5.36
Virginia 22 5920.54 5.18
South Dakota 23 6315.59 5.27
Missouri 24 6002.81 5.12
Arkansas 25 6017.03 5.21
Washington 27 5967.82 5.11
Maryland 28 6023.90 5.07
Tennessee 29 5769.69 4.96
Delaware 30 6064.39 5.10
Kentucky 31 5721.46 4.93
New Jersey 32 5849.03 4.92
Illinois 33 5868.41 4.91
Iowa 34 5961.86 4.96
New York 35 5692.20 4.72
Rhode Island 36 5852.79 4.96
Montana 37 5654.36 4.69
Indiana 38 5843.79 4.89
Connecticut 39 5683.45 4.90
Massachusetts 40 5710.24 4.92
North Dakota 41 5776.31 4.77
Minnesota 42 5860.75 4.81
West Virginia 43 5281.41 4.58
Pennsylvania 44 5334.99 4.58
New Hampshire 45 5548.52 4.72
Maine 46 5469.62 4.66
Wisconsin 47 5776.46 4.76
Ohio 48 5437.24 4.60
Vermont 49 5346.05 4.54
Michigan 50 5317.30 4.37
No two states are alike

The solar industry is growing rapidly. Many people are choosing to turn to renewable energy and installing solar panels because it’s trendy, eco-friendly, and profitable. But does it work the same for everybody in the US? Well, different states offer different solar irradiance, electricity rates and solar incentives, which form the basis of the U.S. Solar Ranking.

The best states for going solar are those with the shortest payback period. For example, residents of Arizona – #1 solar state – can get back the money they pay for a solar system installation just in 3 years and enjoy free electricity from then on. This is the combination of high electricity prices, abundant solar radiation, and local solar rebates and incentives that makes going solar a profitable investment. There are some other factors to take into account, though: availability of RPS (Renewable Portfolio Standard) and Net Metering, property and sales tax exemption, and tax credits.

Click on your state to find out how solar-friendly it is and how much you can economize if you go solar.