HAVEN STORAGE
312.96 MW storage in Los Angeles, CA · In queue since April 2021 · Proposed COD February 2031
312.96 MW
Capacity
1
Components
Battery
5y 1m
In Queue
IA Executed
IA Status
COD target: 2031
Total Duration
9y 10m
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: 2031-02-26
The HAVEN STORAGE project is a proposed 312.96 MW battery storage project located in Los Angeles County, California. The project is in the California Independent System Operator (CAISO) interconnection queue as entry CAISO-2136, with a queue entry date of April 15, 2021, and a proposed commercial operation date of February 26, 2031. The interconnection agreement (IA) for the project has been executed. The project is interconnected to Southern California Edison (SCE) at the Rio Hondo Substation 230 kV point of interconnection.
The HAVEN STORAGE project has been mentioned in recent news articles.
Generated from interconnection queue and public data sources
State
CA
County
Los Angeles
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SCE
Entity
CAISO
Service Type
—
Point of Interconnection
Rio Hondo Substation 230 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- RIOHONDO_6_N004
- POI Substation
- Rio Hondo 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.
Last updated 2026-03-26
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