National Solar Capacity Ranking: 36th
National Energy Storage Capacity Ranking: 14th
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.
1,282 MWdc
1.5 GWh
36th (20th in 2025 additions)
165,040 homes
1.69%
977
31 (5 Manufacturers, 14 Installers/ Developers, 12 Others)
$1.4 billion
3,644 MW over the next 5 years (ranks 24th)
16,453
Oklahoma’s energy storage market is developing alongside increasing solar deployment, with growing capacity to support grid reliability and energy needs.
While the policy landscape for storage continues to evolve, expanding solar capacity and investment are expected to drive additional storage deployment. Energy storage plays an increasing role in supporting grid flexibility and future clean energy growth in the state.