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Reviewed byPlainSolarData Editorial, Solar Energy Data Editorial Team · June 5, 2026

Publisher	Kiznis Studio
Sources	Public official public datasets

Data compiled from publicly available government records and official databases

Data sources

Plainsolardata synthesizes data from these public-domain federal sources:

EIA 860M solar existing capacity by state — eia.gov/electricity/data/eia860m
Ca.gov (public-data source) — cpuc.ca.gov
Maine.gov (public-data source) — maine.gov
Ny.gov (public-data source) — nyserda.ny.gov
Oregon.gov (public-data source) — oregon.gov
Dc.gov (public-data source) — doee.dc.gov

PlainSolarData

Solar cost, incentives, and ROI intelligence for all 50 states. Data from NREL, EIA, and DSIRE.

Solar Resource: NREL NSRDB

Electricity Rates: EIA Form 861 (2024)

Incentives: DSIRE USA database

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Estimates are approximations based on state averages. For educational purposes only.