SANBORN HYBRID 3
1,450.096 MW hybrid in Kern, CA · In queue since April 2019 · Proposed COD December 2026
1,450.096 MW
Capacity
2
Components
Solar + Battery
7y 1m
In Queue
IA Executed
IA Status
COD target: 2026
Total Duration
7y 8m
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: 2026-12-31
The SANBORN HYBRID 3 project is a proposed 1450.1 MW hybrid solar and battery energy storage project located in Kern County, California. The project consists of a 778.55 MW solar component and a 671.55 MW battery energy storage component. Interconnection is with Southern California Edison (SCE) within the California Independent System Operator (CAISO) region.
The project, identified in the CAISO interconnection queue as CAISO-1632, entered the queue on April 15, 2019, with a proposed commercial operation date of December 31, 2026. The interconnection agreement (IA) has been executed. The point of interconnection is the Windhub Substation at 500kV. The 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 500kV
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.
