BPA-G0978
500 MW hybrid in Sherman, OR · In queue since October 2023 · Proposed COD January 2026
500 MW
Capacity
2
Components
Solar + Battery
2y 7m
In Queue
In Progress (unknown study)
IA Status
COD target: 2026
Total Duration
2y 3m
Schedule
4 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: 2026-01-02
BPA-G0978 is a proposed 500 MW hybrid solar and battery project located in Sherman County, Oregon. The project, which appeared in recent news coverage, consists of 250 MW of solar generation and 250 MW of battery energy storage. It is interconnected to the Bonneville Power Administration (BPA) via the Biglow Canyon _x0013_ John Day No 1 230 kV line.
The project entered the BPA interconnection queue on October 27, 2023, with a proposed commercial operation date of January 2, 2026. Its interconnection agreement status is listed as "In Progress (unknown study)".
Generated from interconnection queue and public data sources
State
OR
County
Sherman
Grid Region
Mountain West
Market
—
Developer
—
Utility
Bonneville Power Administration
Entity
BPA
Service Type
—
Point of Interconnection
Biglow Canyon _x0013_ John Day 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.
