June 16, 2025

California Energy Commission approves world’s largest battery storage project by Intersect Power

The 4,600 MWh Darden Clean Energy Project battery system, paired with a 1,150 MW solar facility, marks a milestone in California’s market.

Record-Setting Project: The California Energy Commission greenlit Intersect Power LLC’s Darden Clean Energy Project (DCEP) in Fresno County, the first permitted under the state's Opt-In Certification program, according to a June 12 announcement. This massive project combines a 1,150 MW solar farm and a 4,600 MWh battery storage system, enough to power 850,000 homes for four hours, making it the ...

Details:

Filing Date: June 12, 2025

Docket Numbers:

n/a

Short Summary:

The California Energy Commission greenlit Intersect Power LLC’s Darden Clean Energy Project (DCEP) in Fresno County, the first permitted under the state’s Opt-In Certification program, according to a June 12 announcement. This massive project combines a 1,150 MW solar farm and a 4,600 MWh battery storage system, enough to power 850,000 homes for four hours, making it the world’s largest battery storage system.

Impact Level:

Categories:

Energy Project & Infrastructure

Tags: Battery Storage, Project Development, Project Permitting Process, Solar

Entities: Intersect Power LLC

Markets: California ISO (CAISO)

Regions: West

States: California

Regulators: California Energy Commission

Courts:

Documents:

Press Release