Avista-CS23-12
199 MW storage in Franklin, WA · In queue since May 2023 · Proposed COD July 2029
199 MW
Capacity
1
Components
Battery
3y 2m
In Queue
IA Executed
IA Phase
COD target: 2029
Total Duration
6y 2m
Study Phase
2023
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: 6–18 months
Proposed COD: 2029-07-09
Avista-CS23-12 is a proposed 199 MW battery storage project located in Franklin County, Washington. The project is listed in the Avista Utilities interconnection queue as of May 1, 2023, with a proposed commercial operation date of January 10, 2027. The interconnection agreement for the project has been executed.
The development project consists of 199 MW of battery storage capacity. The point of interconnection is at the AVAHub-04 230kV substation.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
WA
County
Franklin
Grid Region
Mountain West
Market
—
Developer
—
Utility
Avista Utilities
Entity
Avista
Service Type
NRIS/ERIS
Point of Interconnection
Saddle Mountain - Walla Walla 230kV
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 probabilistic 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, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price 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-CS23-12Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
