Vantage
305.78 MW storage in San Diego, CA · In queue since April 2023 · Proposed COD December 2030
305.78 MW
Capacity
1
Components
Battery
3y 1m
In Queue
Not Started
IA Status
COD target: 2030
Total Duration
7y 8m
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: 2030-12-01
The Vantage project is a proposed 305.78 MW battery storage development in San Diego County, California. The project is located within the CAISO region and is interconnected with Southern California Edison (SCE). It entered the CAISO interconnection queue as queue ID CAISO-54664 on April 17, 2023, with a proposed commercial operation date of December 1, 2030. As of the latest data, the project's interconnection agreement (IA) status is "Not Started".
The proposed project consists entirely of battery storage with a total capacity of 305.78 MW. The point of interconnection (POI) is the San Onofre 230 kV substation. The Vantage project has been the subject of recent news coverage, with at least 10 articles appearing in industry and deals publications.
Generated from interconnection queue and public data sources
State
CA
County
San Diego
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SCE
Entity
CAISO
Service Type
—
Point of Interconnection
SAN ONOFRE 230 kV
Data Source
LBNL
- ISO / RTO
- CAISO
- Trading Hub
- TH_ZP26_GEN-APND
- Hub Confidence
- LOW
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.
Last updated 2026-03-26
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