PacifiCorp-S0027
210 MW storage in Walla Walla, WA · In queue since February 2024 · Proposed COD June 2026
210 MW
Capacity
1
Components
Battery
2y 5m
In Queue
In Progress (unknown study)
IA Phase
COD target: 2026
Total Duration
2y 4m
Schedule
1 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: 2026-06-01
PacifiCorp-S0027 is a proposed 210 MW battery storage project located in Walla Walla County, Washington. The project, developed by PacifiCorp, entered the PacifiCorp interconnection queue on February 8, 2024, with a proposed commercial operation date of June 1, 2026. The point of interconnection is the Wallula substation.
The project's interconnection agreement status is currently listed as "In Progress (unknown study)". The development has appeared in recent news coverage regarding PacifiCorp's grid modernization efforts in the West region.
Generated from interconnection queue and public data sources
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
WA
County
Walla Walla
Grid Region
Mountain West
Market
—
Developer
—
Utility
PacifiCorp
Entity
PacifiCorp
Service Type
ERIS
Point of Interconnection
Wallula substation
Data Source
LBNL
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. 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 — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. 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. The bankability view that determines whether the deal clears its covenants once online. 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 PacifiCorp-S0027Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
