Solar Panel ROI by State

Compare solar panel return on investment across all 50 US states. Data sourced from the NREL PVWatts API and EIA electricity rates.

Hawaii Best ROI (5.9x)
Hawaii Fastest Payback
Arizona Most Sunshine

All States Ranked by ROI

#1
Hawaii 5.9x ROI · 4.2 yr payback · $4,241/yr
5.82 kWh/m²/day #2
California 4.5x ROI · 5.6 yr payback · $2,697/yr
5.87 kWh/m²/day #3
Massachusetts 3.7x ROI · 6.8 yr payback · $2,229/yr
4.7 kWh/m²/day #4
Rhode Island 3.5x ROI · 7.2 yr payback · $2,068/yr
4.7 kWh/m²/day #5
Connecticut 3.1x ROI · 7.9 yr payback · $1,965/yr
4.61 kWh/m²/day #6
New Hampshire 2.9x ROI · 8.6 yr payback · $1,735/yr
4.57 kWh/m²/day #7
Maine 2.8x ROI · 8.8 yr payback · $1,678/yr
4.55 kWh/m²/day #8
New Mexico 2.8x ROI · 8.9 yr payback · $1,499/yr
6.25 kWh/m²/day #9
New Jersey 2.6x ROI · 9.6 yr payback · $1,478/yr
4.8 kWh/m²/day #10
Nevada 2.6x ROI · 9.7 yr payback · $1,407/yr
6.14 kWh/m²/day #11
Vermont 2.5x ROI · 9.9 yr payback · $1,521/yr
4.31 kWh/m²/day #12
Arizona 2.5x ROI · 10 yr payback · $1,381/yr
6.54 kWh/m²/day #13
New York 2.5x ROI · 10 yr payback · $1,541/yr
4.48 kWh/m²/day #14
Michigan 2.4x ROI · 10.4 yr payback · $1,383/yr
4.44 kWh/m²/day #15
Colorado 2.3x ROI · 10.7 yr payback · $1,355/yr
5.66 kWh/m²/day #16
Texas 2.3x ROI · 10.7 yr payback · $1,265/yr
5.38 kWh/m²/day #17
Maryland 2.3x ROI · 10.9 yr payback · $1,317/yr
4.91 kWh/m²/day #18
Alabama 2.3x ROI · 11 yr payback · $1,201/yr
5.38 kWh/m²/day #19
Florida 2.2x ROI · 11.2 yr payback · $1,182/yr
5.36 kWh/m²/day #20
South Carolina 2.2x ROI · 11.2 yr payback · $1,213/yr
5.29 kWh/m²/day #21
Kansas 2.2x ROI · 11.3 yr payback · $1,186/yr
5.1 kWh/m²/day #22
Illinois 2.2x ROI · 11.6 yr payback · $1,227/yr
4.86 kWh/m²/day #23
Wisconsin 2.1x ROI · 11.7 yr payback · $1,215/yr
4.53 kWh/m²/day #24
Delaware 2.1x ROI · 11.9 yr payback · $1,162/yr
4.92 kWh/m²/day #25
Pennsylvania 2.1x ROI · 12 yr payback · $1,214/yr
4.61 kWh/m²/day #26
Georgia 2.1x ROI · 12.1 yr payback · $1,114/yr
5.17 kWh/m²/day #27
Ohio 2.0x ROI · 12.4 yr payback · $1,115/yr
4.54 kWh/m²/day #28
Iowa 2.0x ROI · 12.4 yr payback · $1,110/yr
4.75 kWh/m²/day #29
Mississippi 2.0x ROI · 12.6 yr payback · $1,034/yr
5.26 kWh/m²/day #30
Minnesota 2.0x ROI · 12.7 yr payback · $1,151/yr
4.6 kWh/m²/day #31
Oklahoma 2.0x ROI · 12.8 yr payback · $1,033/yr
5.5 kWh/m²/day #32
Indiana 1.9x ROI · 12.8 yr payback · $1,090/yr
4.66 kWh/m²/day #33
North Carolina 1.9x ROI · 12.9 yr payback · $1,035/yr
5.16 kWh/m²/day #34
Missouri 1.9x ROI · 13.3 yr payback · $1,022/yr
4.93 kWh/m²/day #35
Virginia 1.9x ROI · 13.5 yr payback · $1,054/yr
4.95 kWh/m²/day #36
Nebraska 1.8x ROI · 13.6 yr payback · $1,032/yr
5.11 kWh/m²/day #37
Utah 1.8x ROI · 13.6 yr payback · $1,013/yr
5.39 kWh/m²/day #38
Louisiana 1.8x ROI · 13.7 yr payback · $995/yr
5.35 kWh/m²/day #39
Arkansas 1.8x ROI · 13.8 yr payback · $932/yr
5.18 kWh/m²/day #40
South Dakota 1.8x ROI · 13.9 yr payback · $1,018/yr
4.97 kWh/m²/day #41
Kentucky 1.8x ROI · 14.1 yr payback · $934/yr
4.72 kWh/m²/day #42
Wyoming 1.8x ROI · 14.2 yr payback · $1,017/yr
5.36 kWh/m²/day #43
Tennessee 1.8x ROI · 14.2 yr payback · $945/yr
4.82 kWh/m²/day #44
Montana 1.7x ROI · 14.7 yr payback · $968/yr
4.71 kWh/m²/day #45
West Virginia 1.7x ROI · 14.9 yr payback · $914/yr
4.57 kWh/m²/day #46
Idaho 1.6x ROI · 15.8 yr payback · $887/yr
5.22 kWh/m²/day #47
North Dakota 1.6x ROI · 15.9 yr payback · $908/yr
4.77 kWh/m²/day #48
Oregon 1.5x ROI · 16.5 yr payback · $886/yr
4.31 kWh/m²/day #49
Alaska 1.4x ROI · 17.4 yr payback · $963/yr
2.4 kWh/m²/day #50
Washington 1.1x ROI · 21.9 yr payback · $676/yr
3.84 kWh/m²/day