BPA-G0668
500 MW hybrid in Grant, WA · In queue since January 2021 · Proposed COD December 2025
500 MW
Capacity
2
Components
Solar + Battery
5y 4m
In Queue
In Progress (unknown study)
IA Status
COD target: 2025
Total Duration
4y 11m
Schedule
5 months past proposed COD
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: 2025-12-01
BPA-G0668 is a proposed 500 MW hybrid solar and battery project located in Grant County, Washington. The project, which appeared in the Bonneville Power Administration (BPA) interconnection queue on January 26, 2021, consists of 400 MW of solar generation and a 100 MW battery energy storage system. The proposed commercial operation date is December 1, 2025.
The project's interconnection to the BPA grid, specifically the Rocky Ford - Grand Coulee No 1 230 kV line, is currently listed as "In Progress (unknown study)". The developer is not specified in the queue data.
Generated from interconnection queue and public data sources
State
WA
County
Grant
Grid Region
Mountain West
Market
—
Developer
—
Utility
Bonneville Power Administration
Entity
BPA
Service Type
—
Point of Interconnection
BPA's Rocky Ford - Grand Coulee No 1 230 kV line.
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.
