FieldProspects

Columbia County, Washington

Columbia County, Washington has 11 power projects in the FieldProspects database, all of them operating, 1.5 GW in total, with nothing in the queue. No data center record lists the county. Hydro leads with 810 MW across 6 projects. Data as of October 8, 2026.

Data as of Grid region: Bonneville Power AdministrationRefreshed monthly
11
power projects, planned and operating
0MW
planned generation, 0 projects
1.5GW
operating generation, 11 projects
0
planned projects past their listed in-service date
Map

Columbia County and its neighbors

Counties shaded by data center MW on record, planned to operating. 3 of its 4 neighboring counties have pages of their own. The rest are in the member database.

Garfield no data centers Franklin Walla Walla 1.2 GW Columbia no data centers Whitman no data centers
no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet

Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers

Headline finding
1.5GW

of operating generation across 11 plants, and nothing in the interconnection queue for Columbia County.

Operating generation1.5 GW
Planned generation0 MW

Technology mix

11 projects, 1.5 GW planned and operating

Hydro810 MW6 projects, 55%
Wind657.4 MW5 projects, 45%
Which companies own these 11 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

11 plants operate inside Columbia County, 1.5 GW of hydro and wind. Nothing is in the queue for the county.

Figure 1

Operating and planned generation by technology

MW in Columbia County

OperatingPlanned
HydroOperating 810 MW 6 projects
WindOperating 657.4 MW 5 projects
View as table
TechnologyStatusProjectsMW
HydroOperating6810
WindOperating5657.4
Operating: 1.5 GW. Planned: 0 MW. Nothing is in the queue to add to it.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026.

Columbia County against its neighbors

Walla Walla County has the most data center MW among the neighbors, 1.2 GW. 3 of the 3 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Walla Walla County 4
1,200
1,592
0 0.75x
Columbia County this page 0
0
1,467
0 0x
Whitman County 0
0
920
0 0x
Garfield County 0
0
343
600 0x

Data center MW counts records planned, under construction and operating. Generation is inside the county only. Neighbors without a page have fewer than three projects on record.

4 counties shown

Every record in Columbia County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 11 records. Filter, sort and export to Excel.

Members only
County: Columbia County, WAStatus: all except cancelledSort: MW, largest first 11 records
Project or campusDeveloperStatusMWYearContacts
11 records and 1.5 GW behind this preview

Rows are hidden on public pages. Members see every field and can export up to 1,000 rows a month on Solo, unlimited on Unlimited.

Request access

Get alerts for Columbia County

We email you when a data center or power project in Columbia County is added, changes status, signs an interconnection agreement or slips its date. One email per snapshot, only when something changed.

One email per snapshot, only when something changed. Unsubscribe any time.

Open every campus, project and contact in Columbia County.

Solo is $250 a month for one user. Unlimited is $500 for your whole team. Cancel any time.