DESCENDANT RANCH 1
1,023.5 MW hybrid in Colusa, CA · In queue since April 2018 · Proposed COD February 2034
1,023.5 MW
Capacity
2
Components
Solar + Battery
8y 1m
In Queue
IA Executed
IA Status
COD target: 2034
Total Duration
15y 10m
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: 2034-02-27
DESCENDANT RANCH 1 is a proposed 1023.5 MW hybrid solar and battery project in Colusa County, California. The development project, consisting of 513.5 MW of solar generation and a 510 MW battery energy storage system, is located within the CAISO region and interconnects to the PGAE utility grid at the Delevan 230 kV point of interconnection.
The project, identified by queue ID CAISO-1496, entered the CAISO interconnection queue on April 16, 2018, and has a proposed commercial operation date of February 27, 2034. The interconnection agreement for DESCENDANT RANCH 1 has been executed. The project has appeared in recent news coverage.
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 + Live
- 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.
