Avista-Q59
60 MW hybrid in Adams, WA · Proposed COD September 2027
60 MW
Capacity
1
Components
Solar
—
In Queue
IA Executed
IA Status
COD target: 2027
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 18–30 months
Proposed COD: 2027-09-01
Avista-Q59 is a proposed 60 MW hybrid solar and battery energy storage project located in Adams County, Washington. The project consists of a 60 MW solar component. It is interconnected to the Avista Utilities grid at the Roxboro 115kV Station.
The project is listed in the Avista Utilities interconnection queue as Q59. The interconnection agreement has been executed. The proposed commercial operation date is September 1, 2027.
Generated from interconnection queue and public data sources
State
WA
County
Adams
Grid Region
Mountain West
Market
—
Developer
—
Utility
Avista Utilities
Entity
Avista
Service Type
—
Point of Interconnection
Roxboro 115kV Station
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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