BUTTONBUSH SOLAR 2
716.4 MW hybrid in Kern, CA · In queue since April 2021 · Proposed COD March 2032
716.4 MW
Capacity
2
Components
Solar + Battery
5y 1m
In Queue
System Impact Study
IA Status
COD target: 2032
Total Duration
10y 11m
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: 2032-03-17
The BUTTONBUSH SOLAR 2 project is a proposed 716.4 MW hybrid solar and battery energy storage project in Kern County, California. The development project consists of 358.2 MW of solar photovoltaic generation paired with 358.2 MW of battery storage. The project is located within the CAISO region and is interconnected to the PG&E utility grid at the Midway 500 kV point of interconnection.
The project, identified by queue ID CAISO-1987, entered the CAISO interconnection queue on April 15, 2021. Its proposed commercial operation date is March 17, 2032. The project's interconnection status is currently in the System Impact Study phase. The project has appeared in 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
PGAE
Entity
CAISO
Service Type
—
Point of Interconnection
Midway 500 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- MIDWAY_1_N084
- POI Substation
- Midway 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.
