Solar PV permits across the US
We index 113,817 Solar PV permits across 27 US metros in 11 states — led by Washington, DC, New York City, Phoenix. Every permit is classified into a real segment, parcel-joined, and flagged for data quality.
Activity concentrates in Washington, DC (18%), New York (18%), Arizona (17%).
Solar PV permits by metro
- Washington, DC20,929
- New York City20,545
- Phoenix16,855
- Boston15,892
- Chicago12,312
- San Antonio10,956
- Miami3,678
- Hawaii County3,176
- Tucson3,010
- San Jose1,820
- Houston1,672
- Detroit1,055
- Santa Fe303
- Denver289
- Nashville271
- Lake County190
- Miami Gardens176
- Yuba County151
- Columbus145
- Miramar100
- Los Angeles70
- New Hanover County51
- Doral45
- Port Arthur37
- Marco Island31
- West Palm Beach30
- Pasadena28
Historical coverage
These metros' sources were discontinued — their Solar PV permits remain queryable, but aren't counted in the national total above.
Counts are live from the classified index, refreshed nightly. Each metro links to its full Solar PV breakdown — recent permits, contractors, and the raw feed.