Compare Solar Potential Between States
Compare solar panel costs, savings, and payback periods between any two US states. We have 1,225 state comparisons covering all 50 states.
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All 50 States Ranked by 20-Year Solar Savings
| # | State | Peak Sun | Payback | 20yr Savings |
|---|---|---|---|---|
| 1 | Hawaii | 5.5 hrs | 4.8 yrs | $72,400 |
| 2 | California | 5.8 hrs | 5.5 yrs | $58,200 |
| 3 | Massachusetts | 3.8 hrs | 6 yrs | $54,800 |
| 4 | Connecticut | 3.8 hrs | 6.2 yrs | $52,400 |
| 5 | Rhode Island | 3.8 hrs | 6.5 yrs | $48,600 |
| 6 | New York | 3.6 hrs | 6.5 yrs | $48,200 |
| 7 | New Hampshire | 3.7 hrs | 7.2 yrs | $44,600 |
| 8 | Arizona | 6.5 hrs | 6.8 yrs | $42,500 |
| 9 | Nevada | 6.4 hrs | 7 yrs | $40,800 |
| 10 | Maine | 3.8 hrs | 7.5 yrs | $40,200 |
| 11 | Florida | 5.4 hrs | 8.5 yrs | $38,600 |
| 12 | Texas | 5.3 hrs | 8 yrs | $38,400 |
| 13 | New Jersey | 4.0 hrs | 7.5 yrs | $38,200 |
| 14 | Vermont | 3.6 hrs | 8 yrs | $38,200 |
| 15 | New Mexico | 6.2 hrs | 7.5 yrs | $36,800 |
| 16 | Maryland | 4.3 hrs | 8.5 yrs | $36,400 |
| 17 | Colorado | 5.5 hrs | 8.2 yrs | $34,800 |
| 18 | Pennsylvania | 3.8 hrs | 8.5 yrs | $34,800 |
| 19 | South Carolina | 4.8 hrs | 9 yrs | $33,200 |
| 20 | Illinois | 4.0 hrs | 9 yrs | $32,600 |
| 21 | North Carolina | 4.6 hrs | 9.8 yrs | $31,400 |
| 22 | Kansas | 5.0 hrs | 9.5 yrs | $31,200 |
| 23 | Virginia | 4.3 hrs | 10 yrs | $31,200 |
| 24 | Georgia | 4.8 hrs | 10.2 yrs | $30,800 |
| 25 | Michigan | 3.6 hrs | 9.5 yrs | $30,600 |
| 26 | Wisconsin | 3.8 hrs | 9.5 yrs | $30,400 |
| 27 | Delaware | 4.2 hrs | 9.8 yrs | $30,200 |
| 28 | Indiana | 4.0 hrs | 10 yrs | $29,200 |
| 29 | Minnesota | 4.0 hrs | 10 yrs | $28,800 |
| 30 | Ohio | 3.8 hrs | 10.2 yrs | $28,600 |
| 31 | Utah | 5.6 hrs | 10 yrs | $28,600 |
| 32 | Alabama | 4.5 hrs | 11.2 yrs | $28,400 |
| 33 | Iowa | 4.2 hrs | 10.2 yrs | $28,400 |
| 34 | Oklahoma | 5.1 hrs | 10.5 yrs | $28,400 |
| 35 | Missouri | 4.4 hrs | 10.8 yrs | $28,000 |
| 36 | Louisiana | 4.8 hrs | 11 yrs | $27,800 |
| 37 | Mississippi | 4.7 hrs | 11 yrs | $27,200 |
| 38 | Nebraska | 4.6 hrs | 11 yrs | $26,400 |
| 39 | Tennessee | 4.3 hrs | 11.5 yrs | $26,400 |
| 40 | Oregon | 4.0 hrs | 10.8 yrs | $26,200 |
| 41 | South Dakota | 4.6 hrs | 11.2 yrs | $26,200 |
| 42 | Arkansas | 4.6 hrs | 11.5 yrs | $25,600 |
| 43 | Kentucky | 4.1 hrs | 12 yrs | $24,600 |
| 44 | Wyoming | 5.2 hrs | 12 yrs | $24,600 |
| 45 | Montana | 4.5 hrs | 11.5 yrs | $24,200 |
| 46 | West Virginia | 3.8 hrs | 12 yrs | $24,200 |
| 47 | North Dakota | 4.3 hrs | 12 yrs | $23,800 |
| 48 | Alaska | 3.0 hrs | 10.5 yrs | $22,800 |
| 49 | Washington | 3.5 hrs | 12.5 yrs | $22,800 |
| 50 | Idaho | 4.7 hrs | 12.5 yrs | $22,400 |
Data verified March 2026 · Source: NREL, DSIRE, EIA