BPA-G0915
500 MW storage in Douglas, WA · In queue since July 2023 · Proposed COD December 2028
500 MW
Capacity
1
Components
Battery
2y 10m
In Queue
In Progress (unknown study)
IA Status
COD target: 2028
Total Duration
5y 5m
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: 2028-12-01
BPA-G0915 is a proposed 500 MW battery storage project located in Douglas County, Washington. The project is listed in the Bonneville Power Administration interconnection queue, with an entry date of July 24, 2023. The proposed commercial operation date is December 1, 2028. The interconnection agreement status is listed as "In Progress (unknown study)". The point of interconnection is the Grand Coulee 500 kV Switchyard.
The development project consists entirely of battery storage. It is currently listed as an active project in the interconnection queue. Recent news coverage has discussed the project in relation to the overall growth of battery storage in the Pacific Northwest.
Generated from interconnection queue and public data sources
State
WA
County
Douglas
Grid Region
Mountain West
Market
—
Developer
—
Utility
Bonneville Power Administration
Entity
BPA
Service Type
—
Point of Interconnection
Grand Coulee 500 kV Switchyard
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.
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