SHERMAN ENERGY STORAGE
256.29 MW storage in Contra Costa, CA · In queue since April 2021 · Proposed COD June 2031
256.29 MW
Capacity
1
Components
Battery
5y 1m
In Queue
System Impact Study
IA Status
COD target: 2031
Total Duration
10y 2m
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2031-06-18
The Sherman Energy Storage project is a proposed 256.29 MW battery storage project in Contra Costa County, California. The project is located within the CAISO region and is being developed for interconnection with PG&E. It entered the CAISO queue as queue ID CAISO-1915 on April 15, 2021, with a proposed commercial operation date of June 18, 2031. Its interconnection status is currently in the System Impact Study phase.
The Sherman Energy Storage project has been the subject of recent news coverage, with seven articles appearing in industry, regulatory, and deals publications.
Generated from interconnection queue and public data sources
State
CA
County
Contra Costa
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
—
Point of Interconnection
Contra Costa PP 230 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_NP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- CCOSTA_2_B1
- POI Substation
- Contra Costa Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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