— Project Summary

Queue ID
PSE-139
Capacity
130 MW
Technology
Battery
Status
active
Location
King, WA
Region
West
Developer
IA Status
Cluster Study

BetaActiveBatteryPSELBNL

130 MW storage in King, WA · In queue since December 2023 · Proposed COD December 2028

130 MW

Capacity

1

Components

Battery

2y 3m

In Queue

Cluster Study

IA Status

COD target: 2028

Interconnection Timeline

Total Duration

5 years

Impact Study25%
Queue EntryDec 15, 2023

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

Project undergoes interconnection studies to assess grid impact.

Typical: 18–36 months

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2028-12-30

Project Details

State

WA

County

King

Region

West

Developer

Utility

Puget Sound Energy

Entity

PSE

Point of Interconnection

Mount Si 115 kV Substation

Data Source

LBNL

No news available for this project.