BPA-G0844
420 MW hybrid in Klickitat, WA · In queue since February 2023 · Proposed COD June 2026
420 MW
Capacity
2
Components
Solar + Battery
3y 3m
In Queue
In Progress (unknown study)
IA Status
COD target: 2026
Total Duration
3y 4m
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: 2026-06-15
BPA-G0844 is a proposed 420 MW hybrid solar and battery project located in Klickitat County, Washington. The development project consists of a 280 MW solar component and a 140 MW battery energy storage system. It is interconnected to the Bonneville Power Administration (BPA) via the Horse Heaven-Harvalum No 1 230kV line.
The project entered the BPA interconnection queue on February 22, 2023, with a proposed commercial operation date of June 15, 2026. Its interconnection agreement status is currently listed as "In Progress (unknown study)". The project has appeared in recent news.
Generated from interconnection queue and public data sources
State
WA
County
Klickitat
Grid Region
Mountain West
Market
—
Developer
—
Utility
Bonneville Power Administration
Entity
BPA
Service Type
—
Point of Interconnection
Horse Heaven-Harvalum No 1 230kV 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.
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