BPA-G0952
650 MW storage in Gilliam, OR · In queue since October 2023 · Proposed COD June 2029
650 MW
Capacity
1
Components
Battery
2y 7m
In Queue
In Progress (unknown study)
IA Status
COD target: 2029
Total Duration
5y 8m
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: 2029-06-01
BPA-G0952 is a proposed 650 MW battery storage project in Gilliam County, Oregon. The project is located in the West region and is being managed within the Bonneville Power Administration (BPA) interconnection queue. The project entered the queue on October 5, 2023, with a proposed commercial operation date of June 1, 2029. Its interconnection agreement status is currently listed as "In Progress (unknown study)". The point of interconnection is the John Day Substation at 500 kV.
This development project has been the subject of recent news coverage, with 112 articles categorized as regulatory in nature.
Generated from interconnection queue and public data sources
State
OR
County
Gilliam
Grid Region
Mountain West
Market
—
Developer
—
Utility
Bonneville Power Administration
Entity
BPA
Service Type
—
Point of Interconnection
John Day Substation at 500 kV
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.
Last updated 2026-03-31
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