Montrose Storage
204.8 MW storage in San Bernardino, CA · In queue since April 2023 · Proposed COD March 2031
204.8 MW
Capacity
1
Components
Battery
3y 1m
In Queue
Not Started
IA Status
COD target: 2031
Total Duration
7y 11m
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: 2031-03-01
The Montrose Storage project is a proposed 204.8 MW battery energy storage system located in San Bernardino County, California. The project is in the CAISO interconnection queue as entry CAISO-54998, with a queue entry date of April 17, 2023, and a proposed commercial operation date of March 1, 2031. The project's interconnection agreement (IA) status is listed as "Not Started." The proposed point of interconnection (POI) is the SANDLOT 230 kV substation.
The Montrose Storage project has been featured in recent news coverage.
Generated from interconnection queue and public data sources
State
CA
County
San Bernardino
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SCE
Entity
CAISO
Service Type
—
Point of Interconnection
SANDLOT 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.
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