BPA-G1039
800 MW hybrid in Benton, WA · In queue since November 2023 · Proposed COD December 2030
800 MW
Capacity
2
Components
Solar + Battery
2y 6m
In Queue
In Progress (unknown study)
IA Status
COD target: 2030
Total Duration
7y 1m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2030-12-31
The proposed BPA-G1039 project is an 800 MW hybrid solar and battery energy storage system located in Benton County, Washington. The project, which appeared in recent news coverage, is being developed within the Bonneville Power Administration (BPA) region. It consists of 400 MW of solar photovoltaic generation coupled with a 400 MW battery energy storage system.
The project entered the BPA interconnection queue on November 21, 2023, with a proposed commercial operation date of December 31, 2030. Its interconnection agreement (IA) status is currently listed as "In Progress (unknown study)". The point of interconnection (POI) is the Midway Substation at 230kV.
Generated from interconnection queue and public data sources
State
WA
County
Benton
Grid Region
Mountain West
Market
—
Developer
—
Utility
Bonneville Power Administration
Entity
BPA
Service Type
—
Point of Interconnection
Midway Substation at 230kV
Data Source
LBNL
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- MID-C
- Hub Confidence
- UNKNOWN
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.
