SAPPHIRE SOLAR
243.291 MW hybrid in Riverside, CA · In queue since April 2020 · Proposed COD December 2034
243.291 MW
Capacity
2
Components
Solar + Battery
6y 1m
In Queue
IA Executed
IA Status
COD target: 2034
Total Duration
14y 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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 18–30 months
Proposed COD: 2034-12-31
The Sapphire Solar project is a proposed 243.29 MW hybrid solar and battery energy storage project located in Riverside County, California. The development project consists of a 126.29 MW solar component and a 117 MW battery energy storage system. It is interconnected to the CAISO grid at the Red Bluff Substation 230kV and is in the CAISO interconnection queue as entry CAISO-1764, with a queue entry date of April 15, 2020. The project's proposed commercial operation date is December 31, 2034, and the Interconnection Agreement (IA) has been executed.
The Sapphire Solar project has been the subject of recent news coverage, with six articles categorized as regulatory (3), deals (2), and industry (1).
Generated from interconnection queue and public data sources
State
CA
County
Riverside
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SCE
Entity
CAISO
Service Type
—
Point of Interconnection
Red Bluff Substation 230kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- OBERON_7_N122
- POI Substation
- Red Bluff 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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