National Solar Capacity Ranking: 34th
National Energy Storage Capacity Ranking: 9th
Updated June 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.
1,301 MWdc
1,721 MWh
34th (33rd in 2025 additions)
186,899 homes
9.01%
770
35 (2 Manufacturers, 18 Installers/Developers, 15 Others)
$2 billion
2,740 MW over the next 5 years (ranks 29th)
25,146
Idaho’s energy storage market is developing alongside growing solar deployment, with increasing interest in storage to support grid reliability and integrate renewable resources.
While Idaho has fewer dedicated storage policies compared to leading markets, continued solar growth and utility planning efforts are expected to drive additional storage deployment. As the state expands its clean energy capacity, storage is likely to play a larger role in balancing the grid and supporting future energy needs.