PSE-132
127 MW storage in Thurston, WA · In queue since May 2022 · Proposed COD June 2025
127 MW
Capacity
1
Components
Battery
4 years
In Queue
IA Executed
IA Status
COD target: 2025
Total Duration
3y 1m
Schedule
11 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: 2025-06-15
The proposed PSE-132 project is a 127 MW battery storage development in Thurston County, Washington. The project is sponsored by Puget Sound Energy (PSE) and interconnected within the PSE queue, with an entry date of May 19, 2022. The current interconnection status is "IA Executed," and the proposed commercial operation date is June 15, 2025.
The point of interconnection (POI) is listed as a "Proposed new 115 kV substation on either Tono _x0013_ Blumaer or Tono _x0013_ Prine lines." The project consists solely of battery storage, with a total capacity of 127 MW.
Generated from interconnection queue and public data sources
State
WA
County
Thurston
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
—
Point of Interconnection
Proposed new 115 kV substation on either Tono _x0013_ Blumaer or Tono _x0013_ Prine lines
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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