US Solar Energy Data by Location
Comprehensive solar irradiance, peak sun hours, and production estimates for 187 cities across 50 states. Data sourced from NREL and NASA POWER APIs.
187
Cities
50
States
4.65 kWh/m²/day
Avg. GHI across all cities
Top Solar Cities by Irradiance
Browse by State
Alabama
(4.48)
(3)
Alaska
(5.0)
(1)
Arizona
(5.79)
(10)
Arkansas
(4.41)
(1)
California
(5.25)
(39)
Colorado
(4.72)
(5)
Connecticut
(3.91)
(2)
Delaware
(4.11)
(2)
District of Columbia
(5.0)
(1)
Florida
(5.0)
(9)
Georgia
(4.58)
(3)
Idaho
(4.62)
(1)
Illinois
(3.88)
(4)
Indiana
(4.45)
(2)
Iowa
(4.02)
(1)
Kansas
(4.35)
(3)
Kentucky
(4.12)
(2)
Louisiana
(4.61)
(3)
Maine
(3.83)
(1)
Maryland
(4.09)
(2)
Massachusetts
(3.83)
(2)
Michigan
(3.81)
(3)
Minnesota
(3.79)
(2)
Mississippi
(4.58)
(1)
Missouri
(4.25)
(3)
Montana
(4.09)
(1)
Nebraska
(4.2)
(2)
Nevada
(5.55)
(4)
New Hampshire
(3.8)
(1)
New Jersey
(3.94)
(3)
New Mexico
(5.58)
(1)
New York
(3.77)
(4)
North Carolina
(4.53)
(7)
North Dakota
(3.69)
(1)
Ohio
(4.19)
(4)
Oklahoma
(4.7)
(1)
Oregon
(3.74)
(3)
Pennsylvania
(3.92)
(2)
Rhode Island
(3.86)
(1)
South Carolina
(4.58)
(1)
South Dakota
(4.01)
(1)
Tennessee
(4.31)
(6)
Texas
(4.87)
(19)
Utah
(4.62)
(2)
Vermont
(3.62)
(1)
Virginia
(4.29)
(7)
Washington
(3.99)
(4)
West Virginia
(3.96)
(1)
Wisconsin
(3.87)
(2)
Wyoming
(4.53)
(2)
Solar Data by State
City-level averages aren't enough?
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