BALDY MESA 2
125 MW hybrid in San Bernardino, CA · In queue since April 2018 · Proposed COD November 2026
125 MW
Capacity
2
Components
Solar + Battery
8y 1m
In Queue
IA Executed
IA Status
Signed Nov 2020
Queue → IA
2y 7m
IA → COD
6 years
Total Duration
2y 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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 18–30 months
Proposed COD: 2026-11-01
The Baldy Mesa 2 project is a proposed 125 MW hybrid solar and battery energy storage project located in San Bernardino County, California. The development project consists of a 50 MW solar array coupled with a 75 MW battery energy storage system. It is interconnected to the Southern California Edison (SCE) grid at the Roadway Substation 115kV.
The project is listed in the CAISO interconnection queue under queue ID CAISO-1519, with an initial queue entry date of April 16, 2018. The proposed commercial operation date is November 1, 2026. An Interconnection Agreement (IA) for the project has been executed as of November 4, 2020.
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
Roadway Substation 115kV
Data Source
LBNL + Live
- 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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