Substation Scout

Not reported

BPA queue ID G0916

Queue IDG0916
Project nameNot reported
Status (as published)STUDY
SubstationGrand Coulee Switchyard
Point of interconnectionGrand Coulee 500 kV Switchyard
CountyDouglas
StateWA
Voltage500 kV
Capacity500 MW
Resource (as published)Battery/Energy Storage
Resource categoryBattery (normalised for filtering)
Target commercial operation2028-12-01
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

Connection TypeGI
Interconnection TypeNRIS & ERIS
PoiGrand Coulee 500 kV Switchyard
Generator TypeEnergy Storage
Fuel SourceBattery
Nameplate Mw Total522.5
Max Summer Mw500
Max Winter Mw500
ClusterTransition Cluster
Reason Not Completed.
CommentsNorth1 Study Area

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.