Cowboy Hybrid
309.6 MW hybrid in Colusa, CA · In queue since April 2023 · Proposed COD April 2028
309.6 MW
Capacity
2
Components
Solar + Battery
3y 1m
In Queue
Not Started
IA Status
COD target: 2028
Total Duration
5 years
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-04-01
The Cowboy Hybrid project is a proposed 309.6 MW solar and battery energy storage hybrid project located in Colusa County, California. The development project consists of a 155.2 MW solar component and a 154.4 MW battery energy storage component. The project, which has appeared in recent news, is in the CAISO interconnection queue as entry CAISO-54593, with a queue entry date of April 17, 2023.
The proposed commercial operation date for the Cowboy Hybrid project is April 1, 2028. Interconnection service will be provided by PG&E at the DELEVAN 230 kV point of interconnection. As of the current data, the interconnection agreement has not yet been started.
Generated from interconnection queue and public data sources
State
CA
County
Colusa
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
—
Point of Interconnection
DELEVAN 230 kV
Data Source
LBNL
- ISO / RTO
- CAISO
- Trading Hub
- TH_NP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- DELEVAN_2_B1
- POI Substation
- Delevan 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.
Last updated 2026-03-26
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