King County, Washington
King County, Washington has 45.6 MW of data centers on record, planned to operating, across 7 records, against 167.3 MW of generation operating inside the county. Nothing is in the interconnection queue for the county. That is 1.8% of Washington's data center MW.
King County and its neighbors
Counties shaded by data center MW on record, planned to operating. 5 of its 5 neighboring counties have pages of their own. The rest are in the member database.
Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers
of the generation operating in the county is matched by data center MW on record: 45.6 MW of data centers against 167.3 MW of plants.
Data centers by status
7 records, 45.6 MW
The data center pipeline
2 records list a year online or expected, from 2023 to 2025. No record lists a year at or after the snapshot. 5 records list no year.
Data center MW by year online or expected
Records not cancelled, by listed year. 2026 onward is planned or under construction.
View as table
| Year | Records | MW |
|---|---|---|
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
Who is building in King
Data center developers by MW on record. Top 5 of 5.
View as table
| Developer | Sites | MW |
|---|---|---|
| Centersquare (formerly Evoque) | 2 | 26 |
| Tierpoint | 1 | 10 |
| EdgeConneX | 1 | 7 |
| DataBank | 2 | 3 |
| OVHcloud | 1 | 0 |
Power generation in the county
43 plants operate inside King County, 167.3 MW. Nothing is in the queue for the county.
Operating and planned generation by technology
MW in King County
View as table
| Technology | Status | Projects | MW |
|---|---|---|---|
| Hydro | Operating | 16 | 142.3 |
| Oil | Operating | 6 | 12 |
| Landfill Gas | Operating | 18 | 5.4 |
| Biomass | Operating | 2 | 4.6 |
| Natural Gas | Operating | 1 | 3 |
King County against its neighbors
Chelan County has the most data center MW among the neighbors, 171 MW, more than King County. 5 of the 5 have more generation operating than data center MW on record.
| County | Data center records | Data center MW | Operating generation MW | Planned generation MW | Data center MW per MW operating |
|---|---|---|---|---|---|
| Chelan County | 3 | 50 | 0.06x | ||
| King County this page | 7 | 0 | 0.27x | ||
| Snohomish County | 2 | 25 | 0.26x | ||
| Pierce County | 0 | 200 | 0x | ||
| Kittitas County | 0 | 0 | 0x | ||
| Yakima County | 0 | 80 | 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.
6 counties shownEvery record in King County
Campus or project name, developer, status, MW, year and the developer’s contacts, for all 50 records. Filter, sort and export to Excel.
| Project or campus | Developer | Status | MW | Year | Contacts |
|---|---|---|---|---|---|
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.
Get alerts for King County
We email you when a data center or power project in King County is added, changes status, signs an interconnection agreement or slips its date. One email per snapshot, only when something changed.
Open every campus, project and contact in King County.
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