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Washington Data Center Permits Tracker

Washington has 1,675 MW of generation planned within 36 months. Every row below links to its primary source.

Last checked Sep 18, 2026

0
Data center & substation permits
of 31 total utility-scale permits tracked here
0MW
In the interconnection queue
0 active generation and storage positions
1,675MW
Planned generation
11 EIA-860M generators due within 36 months
#13
of 51 states with anything on record
Ranked by data center & substation permit count

Where the activity is

Ranked by row count. Counts are never mixed with the MW figures above.

Permit categories

Site plan or rezoning 31

Permits in Washington

31 building and land-use permits tracked in Washington.

DateCategoryAddressApplicantSource
Sep 10, 2026 Site plan or rezoning Chelan CountyWashington State SEPA Register Chelan County Public Utility District
Aug 29, 2026 Site plan or rezoning Whitman CountyWashington State SEPA Register Pullman City of
Aug 18, 2026 Site plan or rezoning Pend Oreille CountyWashington State SEPA Register WA Department of Natural Resources
Aug 13, 2026 Site plan or rezoning King CountyWashington State SEPA Register Issaquah City of
Aug 5, 2026 Site plan or rezoning Whatcom CountyWashington State SEPA Register Whatcom County
Jul 30, 2026 Site plan or rezoning Benton CountyWashington State SEPA Register Benton County
Jul 22, 2026 Site plan or rezoning Okanogan CountyWashington State SEPA Register Okanogan County
Jul 16, 2026 Site plan or rezoning Skagit CountyWashington State SEPA Register Skagit County
Jul 15, 2026 Site plan or rezoning Douglas CountyWashington State SEPA Register WA Department of Ecology
Jul 1, 2026 Site plan or rezoning Benton CountyWashington State SEPA Register Benton County
Jun 18, 2026 Site plan or rezoning King CountyWashington State SEPA Register Seattle City of
Jun 11, 2026 Site plan or rezoning King CountyWashington State SEPA Register Seattle City of
May 22, 2026 Site plan or rezoning Grant CountyWashington State SEPA Register US Bureau of Reclamation
Mar 24, 2026 Site plan or rezoning Benton CountyWashington State SEPA Register Richland City of
Mar 13, 2026 Site plan or rezoning Benton CountyWashington State SEPA Register Bonneville Power Administration
Mar 11, 2026 Site plan or rezoning Franklin CountyWashington State SEPA Register Franklin County
Feb 20, 2026 Site plan or rezoning Spokane CountyWashington State SEPA Register Spokane County
Feb 9, 2026 Site plan or rezoning Grant CountyWashington State SEPA Register Grant County Public Utility District
Feb 5, 2026 Site plan or rezoning Whitman CountyWashington State SEPA Register Whitman County
Feb 4, 2026 Site plan or rezoning Spokane CountyWashington State SEPA Register Spokane County
Jan 27, 2026 Site plan or rezoning Spokane CountyWashington State SEPA Register Spokane County
Jan 23, 2026 Site plan or rezoning Douglas CountyWashington State SEPA Register Douglas County
Jan 21, 2026 Site plan or rezoning King CountyWashington State SEPA Register Issaquah City of
Jan 9, 2026 Site plan or rezoning Douglas CountyWashington State SEPA Register Douglas County
Jan 7, 2026 Site plan or rezoning Spokane CountyWashington State SEPA Register Spokane County
Dec 17, 2025 Site plan or rezoning Douglas CountyWashington State SEPA Register Douglas County Public Utility District
Nov 12, 2025 Site plan or rezoning Grant CountyWashington State SEPA Register Grant County Public Utility District
Nov 12, 2025 Site plan or rezoning Grant CountyWashington State SEPA Register Grant County Public Utility District
Oct 10, 2025 Site plan or rezoning Chelan CountyWashington State SEPA Register Chelan County Public Utility District
Sep 22, 2025 Site plan or rezoning Spokane CountyWashington State SEPA Register Spokane County
Sep 15, 2025 Site plan or rezoning Grant CountyWashington State SEPA Register Grant County Public Utility District

Planned generation in Washington

1,675 MW across 11 EIA-860M generators scheduled to enter service within 36 months.

PlantTechnologyMWPlannedStatusSource
Royal SlopeGrant County Batteries 260 MW Oct 2027 Regulatory approvals received. Not under construction
Royal SlopeGrant County Solar Photovoltaic 260 MW Oct 2027 Regulatory approvals received. Not under construction
Centralia Battery Energy Storage SystemThurston County Batteries 200 MW Dec 2028 Regulatory approvals pending. Not under construction
Greenwater BESSPierce County Batteries 200 MW Dec 2026 Under construction, more than 50 percent complete
AGATE BESSKitsap County Batteries 170 MW Feb 2029 Regulatory approvals pending. Not under construction
CarrigerKlickitat County Solar Photovoltaic 160 MW Nov 2028 Regulatory approvals pending. Not under construction
Bluebird SolarKlickitat County Solar Photovoltaic 140 MW Dec 2027 Regulatory approvals received. Not under construction
SR Quincy ValleyGrant County Solar Photovoltaic 130 MW Dec 2026 Under construction, more than 50 percent complete
High Top SolarYakima County Solar Photovoltaic 80 MW Jan 2029 Regulatory approvals received. Not under construction
Orion - HelionChelan County All Other 50 MW Dec 2028 Regulatory approvals pending. Not under construction
Arlington Battery Energy Storage SystemSnohomish County Batteries 25 MW Sep 2026 Under construction, less than or equal to 50 percent complete

Other filings in Washington

State air permits (4)

FacilityAgencyGeneratorsStatusSource
Sabey Intergate Washington Ecology Notice of Construction permit (approval order) and technical support document
CyrusOne Washington Ecology Notice of Construction permit (approval order), Technical Support Document, and Response to Comments
Microsoft Columbia Washington Ecology Notice of Construction permit (approval order), Technical Support Document, Response to Comments
H5 (formerly Intuit) Washington Ecology Notice of Construction permit (approval order), Technical Support Document, and Response to Comments

Where Washington stands

Across the whole tracker, 533 data center and substation permits are on record in 51 states and DC. Washington accounts for 0 of them, ranking #13 by that count. Ranking measures documented permit activity, not the size of the eventual buildout.