CALYPSO SOLAR
800 MW hybrid in Riverside, CA · In queue since April 2019 · Proposed COD October 2031
800 MW
Capacity
2
Components
Solar + Battery
7y 1m
In Queue
IA Executed
IA Status
COD target: 2031
Total Duration
12y 6m
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: 2031-10-28
The Calypso Solar project is a proposed 800 MW hybrid solar and battery energy storage development in Riverside County, California. The project consists of 400 MW of solar photovoltaic generation paired with 400 MW of battery storage. It is located within the California Independent System Operator (CAISO) region and interconnects to Southern California Edison (SCE) at the Colorado River Substation 230kV.
The project, identified as CAISO-1636 in the interconnection queue, entered the queue on April 15, 2019, and has a proposed commercial operation date of October 28, 2031. The interconnection agreement (IA) for the project has been executed. The project has appeared in recent news coverage.
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 230kV
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.
