PSE-129
200 MW storage in Kitsap, WA · In queue since December 2021 · Proposed COD December 2023
200 MW
Capacity
1
Components
Battery
4y 5m
In Queue
IA Executed
IA Status
COD target: 2023
Total Duration
2 years
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
The proposed PSE-129 project is a 200 MW battery storage development in Kitsap County, Washington. The project is sponsored by Puget Sound Energy (PSE) and interconnected to the Foss Corner 115 kV point of interconnection.
PSE-129 entered the Puget Sound Energy interconnection queue on December 23, 2021, with a proposed commercial operation date of December 15, 2023. The project's Interconnection Agreement (IA) has been executed.
Generated from interconnection queue and public data sources
State
WA
County
Kitsap
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
—
Point of Interconnection
Foss Corner 115 kV
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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