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Location Segment Size Installed Installer / developer Philadelphia, PAPhiladelphia County Commercial · 🔋 — Jan 26, 2026 — View → Philadelphia, PAPhiladelphia County Commercial · 🔋 — Jun 4, 2025 SOLAR STATES LLC View → Philadelphia, PAPhiladelphia County Commercial — Mar 6, 2023 SOLAR STATES LLC 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