California Energy Commission logo
Program

Long Duration Energy Storage (LDES) Program

Funds long-duration energy storage development in California to diversify grid support beyond conventional batteries.

California Energy CommissionUnited StatesGrant

The Long Duration Energy Storage Program sits under the California Energy Commission and funds large-scale demonstration and deployment of non-lithium-ion storage technologies in California. Total program funding is above $247 million, and the effort is aimed at moving emerging storage chemistries into the field.

Awards in the recent rounds ranged from $8 million to $42 million for projects sized…

Energy TechClimate TechAdvanced Materials
Max award$42M
Realistic median—
Success rate—
Decision time—

No upcoming rounds verified. Cadence: One-off.

Last verified: 28 May 2026Source: www.energy.ca.gov