TWIN PALMS SOLAR
576.144 MW hybrid in Riverside, CA · In queue since April 2021 · Proposed COD July 2030
576.144 MW
Capacity
2
Components
Solar + Battery
5y 1m
In Queue
System Impact Study
IA Status
COD target: 2030
Total Duration
9y 3m
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: 2030-07-06
The Twin Palms Solar project is a proposed 576.14 MW hybrid solar and battery energy storage development in Riverside County, California. The project, located within the CAISO region and interconnected with Southern California Edison (SCE), consists of 288 MW of solar photovoltaic generation and 288.14 MW of battery storage. It is currently in the CAISO interconnection queue as entry CAISO-2048, with a queue entry date of April 15, 2021. The proposed commercial operation date is July 6, 2030, and the project's interconnection status is currently in the System Impact Study phase.
The Twin Palms Solar project has been the subject of recent news coverage, with at least nine articles appearing in industry and deal-making publications. The point of interconnection is the Colorado River Substation at 230 kV.
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
Colorado River Substation 230 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- CRIMSN_7_CN3
- POI Substation
- Colorado River 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.