Solar PV permits across the US
We index 142,316 Solar PV permits across 28 US metros in 11 states — led by Washington, DC, New York City, San Antonio. Every permit is classified into a real segment, parcel-joined, and flagged for data quality.
Activity concentrates in Washington, DC (28%), New York (15%), Arizona (14%).
Solar PV permits by metro
- Washington, DC39,439
- New York City21,065
- San Antonio17,898
- Phoenix17,165
- Boston16,025
- Chicago12,642
- Hawaii County3,933
- Miami3,764
- Tucson3,169
- San Jose2,121
- Houston1,673
- Detroit1,064
- Denver387
- Santa Fe316
- Nashville289
- Lake County234
- Miami Gardens227
- Yuba County189
- Columbus154
- Miramar110
- Doral102
- Los Angeles83
- New Hanover County78
- West Palm Beach47
- Port Arthur37
- Jersey City36
- Pasadena35
- Marco Island34
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.