Sunflower Storage
154.198 MW storage in San Joaquin, CA · In queue since April 2023 · Proposed COD November 2031
154.198 MW
Capacity
1
Components
Battery
3y 1m
In Queue
Not Started
IA Status
COD target: 2031
Total Duration
8y 7m
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: 2031-11-01
The proposed Sunflower Storage project is a 154.2 MW battery energy storage system located in San Joaquin County, California. The project is in the California Independent System Operator (CAISO) interconnection queue as project CAISO-54582. The queue entry date is April 17, 2023, and the proposed commercial operation date is November 1, 2031. The interconnecting utility is Pacific Gas and Electric (PGAE).
As of the latest data, the project's interconnection agreement (IA) status is "Not Started". The point of interconnection (POI) is the Lockeford 115 kV substation. The project has appeared in recent news coverage regarding energy storage development in California.
Generated from interconnection queue and public data sources
State
CA
County
San Joaquin
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
—
Point of Interconnection
LOCKEFORD 115 kV
Data Source
LBNL
- ISO / RTO
- CAISO
- Trading Hub
- TH_NP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- LOCKFORD_7_N001
- POI Substation
- Lockeford 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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