BPA-G0670
1,000 MW hybrid in Benton, WA · In queue since February 2021 · Proposed COD December 2025
1,000 MW
Capacity
2
Components
Solar + Battery
5y 3m
In Queue
In Progress (unknown study)
IA Status
COD target: 2025
Total Duration
4y 10m
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: 2025-12-31
BPA-G0670 is a proposed 1000 MW hybrid solar and battery project located in Benton County, Washington. The development project, which appeared in the Bonneville Power Administration (BPA) interconnection queue on February 22, 2021, consists of 500 MW of solar generation and 500 MW of battery energy storage. The proposed commercial operation date is December 31, 2025.
The interconnection request, filed under the name BPA-G0670, is currently listed as "In Progress (unknown study)" for its Interconnection Agreement (IA) status. The point of interconnection (POI) is the Wautoma Substation. The project has appeared in recent news coverage regarding energy storage development in the Pacific Northwest.
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
Wautoma Substation
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.
