Avista-TCS-14
375 MW hybrid in Garfield, WA · In queue since January 2021 · Proposed COD November 2027
375 MW
Capacity
1
Components
Wind
5y 6m
In Queue
Construction
IA Phase
COD target: 2027
Total Duration
6y 10m
Study Phase
Transition 2022
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: 2027-11-01
Avista-TCS-14 is a proposed 375 MW hybrid wind and battery project located in Garfield County, Washington. The project, developed by Avista Utilities, consists of 375 MW of wind generation capacity. It is interconnected to the Avista Utilities grid at the Dry Creek 230kV Station.
The project is currently listed as active in the Avista Utilities interconnection queue. Its interconnection agreement status is listed as "Construction". The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
Realization risk through commissioning — schedule slippage, construction cost overrun, and COD probability vs the stated window. The diligence view that determines whether the project comes online when promised. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
WA
County
Garfield
Grid Region
Mountain West
Market
—
Developer
—
Utility
Avista Utilities
Entity
Avista
Service Type
NRIS
Point of Interconnection
Dry Creek 230kV Station
Data Source
LBNL
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with curtailment risk decomposed by congestion zone and ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, first-year DSCR, and construction cost overrun exposure — what determines whether the deal clears its covenants once online. Projected across price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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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Ask about Project Avista-TCS-14Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
