SANBORN HYBRID 4
100 MW hybrid in Kern, CA · In queue since April 2020 · Proposed COD October 2025
100 MW
Capacity
2
Components
Solar + Battery
6y 1m
In Queue
IA Executed
IA Status
COD target: 2025
Total Duration
5y 6m
Schedule
7 months past proposed COD
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: 2025-10-01
The SANBORN HYBRID 4 project is a proposed 100 MW hybrid solar and battery energy storage project located in Kern County, California. The development project consists of 50 MW of solar photovoltaic generation and a 50 MW battery energy storage system. The project is interconnected to the CAISO grid at the Windhub Substation 230kV and is in the CAISO interconnection queue as queue ID CAISO-1790, with an entry date of April 15, 2020. The proposed commercial operation date is October 1, 2025, and the Interconnection Agreement has been executed.
The SANBORN HYBRID 4 project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
CA
County
Kern
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SCE
Entity
CAISO
Service Type
—
Point of Interconnection
Windhub Substation 230kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- ALTA6B2_7_N003
- POI Substation
- Windhub 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.
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