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Solar Potential & Payback Period by State

See how much you could save with solar based on EIA & NLR data.

Tap your state to explore
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Click your state to explore solar potential and savingsAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyomingDistrict of Columbia
Avg. US Payback11.2Years
Total US Generation388,814GWh
Avg. Utility Rate$0.18per kWh

US States Ranked by Solar Savings & Potential

RankStatePeak Sun HoursAnnual Savings
#1Arizona6.5 hr/day$1,786#2New Mexico6.2 hr/day$1,681#3Nevada6.1 hr/day$1,446#4California5.8 hr/day$3,385#5Hawaii5.8 hr/day$4,229#6Colorado5.6 hr/day$1,599#7Oklahoma5.5 hr/day$1,294#8Alabama5.3 hr/day$1,532#9Florida5.3 hr/day$1,447#10Louisiana5.3 hr/day$1,199

How we calculate this

Our projections are built on data from the Energy Information Administration (EIA) and the National Laboratory of the Rockies (NLR). We factor in regional utility rates and historical meteorological data to estimate solar ROI by state.