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Location Segment Size Installed Installer / developer Calistoga, CANapa County Commercial 60.5 kW Nov 7, 2013 Napa Electric View → Saint Helena, CANapa County Commercial 54.4 kW Apr 12, 2013 Napa Electric 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