PSE-54
198.8 MW generation in Grays Harbor, WA · In queue since December 2017 · Proposed COD June 2026
198.8 MW
Capacity
1
Components
Gas
8y 5m
In Queue
Suspended
IA Status
COD target: 2026
Total Duration
8y 6m
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: 2026-06-01
PSE-54 is a proposed 198.8 MW gas-fired generation project located in Grays Harbor County, Washington. The project is being developed by Puget Sound Energy (PSE) and interconnected to the Olympia Substation. It entered the Puget Sound Energy interconnection queue on December 27, 2017, with a proposed commercial operation date of June 1, 2026.
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
Grays Harbor
Grid Region
Mountain West
Market
—
Developer
—
Utility
Puget Sound Energy
Entity
PSE
Service Type
—
Point of Interconnection
Olympia Substation
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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