PSE-121
125 MW storage in King, WA · In queue since August 2021 · Proposed COD July 2024
125 MW
Capacity
1
Components
Battery
4y 9m
In Queue
Suspended
IA Status
COD target: 2024
Total Duration
2y 11m
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: 2024-07-01
PSE-121 is a proposed 125 MW battery storage project located in King County, Washington. The project is being developed by Puget Sound Energy (PSE) and interconnected to the Puget Sound Energy system at the Starwood 115 kV point of interconnection. It entered the PSE interconnection queue on August 25, 2021, with a proposed commercial operation date of July 1, 2024.
The project's interconnection status is currently listed as "suspended," and its interconnection agreement (IA) status is also "suspended."
Generated from interconnection queue and public data sources
State
WA
County
King
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
—
Point of Interconnection
Starwood 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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