KETTLE SOLAR ONE
180 MW hybrid in San Diego, CA · In queue since April 2018 · Proposed COD October 2026
180 MW
Capacity
2
Components
Solar + Battery
8y 1m
In Queue
IA Executed
IA Status
Signed May 2020
Queue → IA
2y 1m
IA → COD
6y 5m
Total Duration
2y 1m
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: 2026-10-31
KETTLE SOLAR ONE is a proposed 180 MW hybrid solar and battery project located in San Diego County, California. The development project consists of 90 MW of solar generation paired with 90 MW of battery storage. Interconnection is planned via the Carrizo Gorge Switchyard 138 kV.
The project is listed in the CAISO interconnection queue as entry CAISO-1532, with an original queue entry date of April 16, 2018. The proposed commercial operation date is October 31, 2026. An Interconnection Agreement (IA) has been executed as of May 14, 2020. KETTLE SOLAR ONE has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
CA
County
San Diego
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SDGE
Entity
CAISO
Service Type
—
Point of Interconnection
Carrizo Gorge Switchyard 138 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_ZP26_GEN-APND
- Hub Confidence
- LOW
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.
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