COBALT
512.612 MW hybrid in Riverside, CA · In queue since April 2020 · Proposed COD May 2027
512.612 MW
Capacity
2
Components
Solar + Battery
5y 11m
In Queue
IA Executed
IA Status
Signed May 2023
Queue → IA
3y 1m
IA → COD
4 years
Total Duration
3y 1m
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: 18–30 months
Proposed COD: 2027-05-31
State
CA
County
Riverside
Region
CAISO
Developer
—
Utility
SCE
Entity
CAISO
Point of Interconnection
Colorado River Substation 220kV
Data Source
LBNL + Live
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Last updated 2026-03-26