ANTELOPE SOLAR 2
781.88 MW hybrid in Los Angeles, CA · In queue since April 2015 · Proposed COD November 2025
781.88 MW
Capacity
2
Components
Solar + Battery
11y 1m
In Queue
IA Executed
IA Status
Signed May 2019
Queue → IA
4y 1m
IA → COD
6y 6m
Total Duration
4y 1m
Schedule
5 months past proposed COD
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: 2025-11-27
The Antelope Solar 2 project is a proposed 781.88 MW hybrid solar and battery energy storage project located in Los Angeles County, California. The development project consists of a 423 MW solar array coupled with a 358.88 MW battery energy storage system. It is interconnected to Southern California Edison (SCE) via the Antelope Substation 220kV.
The project is listed in the CAISO interconnection queue as entry CAISO-1208, with a queue entry date of April 30, 2015, and a proposed commercial operation date of November 27, 2025. An Interconnection Agreement (IA) was executed on May 8, 2019. The Antelope Solar 2 project has been featured in recent industry news.
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
Antelope Substation 220kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- BIGSK230_2_N022
- POI Substation
- Antelope 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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