PSE-127
100 MW storage in Skagit, WA · In queue since November 2021 · Proposed COD December 2025
100 MW
Capacity
1
Components
Battery
4y 6m
In Queue
IA Executed
IA Status
COD target: 2025
Total Duration
4y 1m
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2025-12-01
PSE-127 is a proposed 100 MW battery storage project located in Skagit County, Washington. The project, developed by Puget Sound Energy (PSE), entered the Puget Sound Energy interconnection queue on November 4, 2021, with a proposed commercial operation date of December 1, 2025. The interconnection agreement for the project has been executed.
The project will interconnect at the Fredonia 115 kV Substation. It is currently listed as an active project in the interconnection queue.
Generated from interconnection queue and public data sources
State
WA
County
Skagit
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
—
Point of Interconnection
Fredonia 115 kV Substation
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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