PSE-100
200 MW storage in Pierce, WA · In queue since April 2021 · Proposed COD January 2024
200 MW
Capacity
1
Components
Battery
5y 1m
In Queue
IA Executed
IA Status
COD target: 2024
Total Duration
2y 9m
Schedule
28 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: 2024-01-06
PSE-100 is a proposed 200 MW battery storage project located in Pierce County, Washington. The project, developed by Puget Sound Energy (PSE), entered the Puget Sound Energy interconnection queue on April 15, 2021, with a proposed commercial operation date of January 6, 2024. The point of interconnection is the White River 115 kV Substation.
The project's interconnection agreement has been executed. It is currently listed as an active project in the interconnection queue.
Generated from interconnection queue and public data sources
State
WA
County
Pierce
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
—
Point of Interconnection
White River 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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