PSE-98
200 MW storage in Pierce, WA · In queue since March 2021 · Proposed COD December 2023
200 MW
Capacity
1
Components
Battery
5y 2m
In Queue
IA Executed
IA Status
COD target: 2023
Total Duration
2y 9m
Schedule
29 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: 2023-12-15
PSE-98 is a proposed 200 MW battery storage project located in Pierce County, Washington. The project, under development by Puget Sound Energy (PSE), entered the PSE interconnection queue on March 19, 2021, with a proposed commercial operation date of December 15, 2023. The interconnection agreement for the project has been executed.
The project will interconnect at the White River 230kV point of interconnection. It has appeared in recent news coverage regarding Puget Sound Energy's grid modernization efforts.
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 230kV
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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