SANBORN 5 HYBRID
574.885 MW storage in Kern, CA · In queue since April 2020 · Proposed COD March 2027
574.885 MW
Capacity
1
Components
Battery
5y 11m
In Queue
IA Executed
IA Status
COD target: 2027
Total Duration
6y 11m
Interconnection request submitted to ISO/RTO
CAISO uses cluster studies where projects are batched annually and studied together.
Typical: 36–48 months (IR to IA)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2027-03-31
State
CA
County
Kern
Region
CAISO
Developer
—
Utility
SCE
Entity
CAISO
Point of Interconnection
Windhub Substation 230kV
Data Source
LBNL + Live
Terra-Gen closes US$1 billion financing for second phase of world's largest solar-plus-storage project
Terra-Gen has secured project financing to increase the energy storage capacity of its Edwards Sanborn facility in California to 3291MWh.
Terra-Gen closes US$1 billion financing for second phase of world's largest solar-plus-storage project
Terra-Gen has secured project financing to increase the energy storage capacity of its Edwards Sanborn facility in California to 3291MWh.
Terra-Gen closes US$1 billion financing for second phase of world's largest solar-plus-storage project
Terra-Gen has secured project financing to increase the energy storage capacity of its Edwards Sanborn facility in California to 3291MWh.
Terra-Gen closes US$1 billion financing for second phase of world's largest solar-plus-storage project
Terra-Gen has secured project financing to increase the energy storage capacity of its Edwards Sanborn facility in California to 3291MWh.
Last updated 2026-03-26