Avista-110
560 MW hybrid in Garfield, WA · In queue since January 2021 · Proposed COD December 2025
560 MW
Capacity
3
Components
Solar + Wind + Battery
5y 4m
In Queue
—
IA Status
COD target: 2025
Total Duration
4y 11m
Schedule
5 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: 2025-12-01
The proposed Avista-110 development project is a 560 MW hybrid Solar, Wind, and Battery project located in Garfield County, Washington. Interconnecting to the Avista Utilities grid, the project entered the interconnection queue on January 7, 2021, with a proposed commercial operation date of December 1, 2025. The point of interconnection is listed as DryCreek 230 kV or Walla Walla to Dry Creek 230 kV.
The project consists of 100 MW of solar generation, 275 MW of wind generation, and a 185 MW battery energy storage system. The project is currently listed as active in the interconnection queue.
Generated from interconnection queue and public data sources
State
WA
County
Garfield
Grid Region
Mountain West
Market
—
Developer
—
Utility
Avista Utilities
Entity
Avista
Service Type
—
Point of Interconnection
DryCreek 230 kV or Walla Walla to Dry Creek 230 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.
