— Project Summary

Queue ID
PSE-60
Capacity
200 MW
Technology
Battery
Status
active
Location
Pierce, WA
Region
West
Developer
IA Status
IA Executed

BetaActiveBatteryPSELBNL

200 MW storage in Pierce, WA · In queue since August 2018 · Proposed COD December 2025

200 MW

Capacity

1

Components

Battery

7y 7m

In Queue

IA Executed

IA Status

COD target: 2025

Interconnection Timeline

Total Duration

7y 4m

Schedule

3 months past proposed COD

Construction75%
Queue EntryAug 15, 2018

Interconnection request submitted to ISO/RTO

Interconnection Study

Project undergoes interconnection studies to assess grid impact.

Typical: 18–36 months

Interconnection Agreement

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2025-12-31

Project Details

State

WA

County

Pierce

Region

West

Developer

Utility

Puget Sound Energy

Entity

PSE

Point of Interconnection

Fredrickson Plant 115kV Substation

Data Source

LBNL

No news available for this project.