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Location Segment Size Installed Installer / developer Blackstone, MA Commercial · 🔋 4,734.9 kW Aug 29, 2022 Castillo Energy, LLC View → Hopkinton, MA Commercial · 🔋 2,367.5 kW Aug 16, 2022 Castillo Energy, LLC View → Blackstone, MAWorcester County Utility-scale 6,200 kW Jan 1, 2022 Castillo Energy View →
Compiled from LBNL Tracking the Sun, state incentive programs and permit data. Coverage varies by jurisdiction — see each state page for completeness notes.
© 2026 Hyder Media · PanelCensus — The public census of America's solar installations & installers. Built from public records: LBNL Tracking the Sun, city permits, state programs and USGS/EIA utility-scale data. Methodology & data · Data coverage by state