PacifiCorp-C2-141
199 MW hybrid in Walla Walla, WA · In queue since May 2022 · Proposed COD December 2026
199 MW
Capacity
1
Components
Solar
4 years
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
4y 7m
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: 2026-12-01
PacifiCorp-C2-141 is a proposed 199 MW hybrid solar and battery project located in Walla Walla County, Washington. The project, consisting of 199 MW of solar capacity, is in PacifiCorp's interconnection queue, having entered on May 14, 2022. The proposed commercial operation date is December 1, 2026.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the Walla Walla-Wanapum transmission line. The project has appeared in recent news.
Generated from interconnection queue and public data sources
State
WA
County
Walla Walla
Grid Region
Mountain West
Market
—
Developer
—
Utility
PacifiCorp
Entity
PacifiCorp
Service Type
—
Point of Interconnection
Walla Walla-Wanapum transmission line
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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