Energy Storage permits across the US
We index 2,151 Energy Storage permits across 3 US metros in 2 states — led by Phoenix, San Jose, Tucson. Every permit is classified into a real segment, parcel-joined, and flagged for data quality.
Activity concentrates in Arizona (83%), California (17%).
Energy Storage permits by metro
Counts are live from the classified index, refreshed nightly. Each metro links to its full Energy Storage breakdown — recent permits, contractors, and the raw feed.