PSE-145
100 MW storage in Whatcom, WA · In queue since April 2024 · Proposed COD May 2027
100 MW
Capacity
1
Components
Battery
2y 1m
In Queue
Cluster Study
IA Status
COD target: 2027
Total Duration
3y 1m
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: 2027-05-31
PSE-145 is a proposed 100 MW battery storage project located in Whatcom County, Washington. The project is being developed by Puget Sound Energy (PSE) and is currently listed as active in the PSE interconnection queue, with an entry date of April 12, 2024. The proposed commercial operation date is May 31, 2027.
The project's interconnection status is currently in the Cluster Study phase. The point of interconnection (POI) is the Custer Substation, located at coordinates 48.90451433, -122.6251608.
Generated from interconnection queue and public data sources
State
WA
County
Whatcom
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
—
Point of Interconnection
Custer Substation (48.90451433, -122.6251608)
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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