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Reviewed byPlainSolarData Editorial, Solar Energy Data Editorial Team · June 5, 2026
PublisherKiznis Studio
SourcesPublic 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.