Columbia County County, Washington — Interconnection Projects

The interXdata warehouse tracks 3 interconnection projects in Columbia County, Washington, representing 440 MW of requested capacity.

3Total projects
0Active
0Operational
3Withdrawn
440 MWRequested capacity

Technology mix

TechnologyProjectsRequested capacity
Solar2300 MW
Wind1140 MW

Projects

ProjectQueue IDTechnologyCapacityStatusLocation
WA Queue Project 137 — Solar in Columbia County, Washington137Solar150.0 MWwithdrawnColumbia County, Washington
WA Queue Project 119 — Solar in Columbia County, Washington119Solar150.0 MWwithdrawnColumbia County, Washington
WA Queue Project 115 — Wind in Columbia County, Washington115Wind140.0 MWwithdrawnColumbia County, Washington

Top developers

Developer attribution is not yet resolved for this set.

Explore related data

Source last checked2026-07-31
Data last materially changed2026-08-28
Page data generated2026-08-28

Provenance: pse-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

Get an alert when a new project is proposed in Columbia County County.

Start tracking with interXdata