National Solar Capacity Ranking: 37th
Updated September 2026
SEIA’s Major Solar and Storage Projects List is a database of all U.S. ground-mounted solar projects, 1 MW and above, that are either operating, under construction or under development.
1,245 MWdc
9 MWh
37th (40th in 2025 additions)
232,949 homes
10.86%
3,583
28 (10 Manufacturers, 10 Installers/ Developers, 8 Others)
$2.3 billion
680 MW over the next 5 years (ranks 45th)
27,522
Rhode Island’s energy storage market remains in an early stage. As solar capacity continues to expand, energy storage is expected to play a larger role in improving grid reliability and supporting future clean energy growth.