SILVER RIDGE MOUNT SIGNAL
750 MW hybrid in Imperial, CA · In queue since January 1970 · Proposed COD June 2027
750 MW
Capacity
2
Components
Solar + Battery
56y 4m
In Queue
IA Executed
IA Status
Signed Jan 1970
Queue → IA
<1 month
IA → COD
57y 5m
Total Duration
<1 month
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: 2027-06-01
The Silver Ridge Mount Signal project is a proposed 750 MW hybrid solar and battery energy storage project in Imperial County, California. The development project consists of a 600 MW solar array coupled with a 150 MW battery energy storage system.
The project, assigned queue ID CAISO-124, is located within the CAISO region and is interconnected with San Diego Gas & Electric (SDGE) at the Imperial Valley Substation 230 kV. The project entered the CAISO interconnection queue on January 1, 1970, and has a proposed commercial operation date of June 1, 2027. The Interconnection Agreement (IA) has been executed as of January 1, 1970. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
CA
County
Imperial
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SDGE
Entity
CAISO
Service Type
—
Point of Interconnection
Imperial Valley Substation 230 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- WESCAN_7_N002
- POI Substation
- Imperial Valley 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.
