Substation Scout

Hardeson Battery Storage Expansion

BPA queue ID G0500

Queue IDG0500
Project nameHardeson Battery Storage Expansion
Status (as published)ENERGIZED
SubstationHardeson Substation
Point of interconnectionHardeson Substation
CountySnohomish
StateWA
VoltageNot reported
Capacity1 MW
Resource (as published)Battery/Energy Storage
Resource categoryBattery (normalised for filtering)
Target commercial operation2015-07-01
Source datasetbpa-generation

Tracked changes

No changes to this filing observed since BPA tracking began on September 22, 2026. Full change log →

Additional filed fields

RequestorPublic Utility District No. 1 of Snohomish County
Connection TypeGI
Interconnection TypeERIS
PoiHardeson Substation
Generator TypeEnergy Storage
Fuel SourceBattery
Nameplate Mw Total1
Max Summer Mw1
Max Winter Mw1
Reason Not Completed.

Fields shown are those promoted into this dataset. The original ISO filing may contain further columns (study reports, agreement dates, milestone flags) that are retained in the pipeline but not all surfaced here. Always confirm against the ISO's published queue before relying on any value.