Snohomish County, WA interconnection queue
10 interconnection applications are pending in Snohomish County, WA, requesting 46 MW of new generating capacity, as of 15 August 2026. 0 projects have been built here and 5 have been withdrawn since 2001.
Source: interconnection queues published by BPA. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.
What is waiting in Snohomish County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Battery | 5 | 32 MW |
| Hydro | 1 | 8 MW |
| Biomass | 1 | 3 MW |
| Solar | 3 | 3 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 0 | 0 MW | 0.0% |
| Still pending | 10 | 46 MW | 66.7% |
| Withdrawn | 5 | 1.4 GW | 33.3% |
| Suspended | 0 | — | 0.0% |
Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.
The largest projects on file
| Project | Fuel | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| 500MW Snohomish | Gas | 500 MW | withdrawn | 2001-01 | BPA |
| 36 | Gas | 323 MW | withdrawn | 2011-11 | PSE |
| 22 | Gas | 302 MW | withdrawn | 2010-03 | PSE |
| 250MW Snohomish | Gas | 250 MW | withdrawn | 2001-01 | BPA |
| G0832 | Battery | 25 MW | active | 2022-12 | BPA |
| Young’s Creek Hydro Project | Hydro | 8 MW | active | 2009-06 | BPA |
| Qualco Project | Biomass | 3 MW | active | 2020-10 | BPA |
| MESA 2 Energy Storage Project | Battery | 3 MW | active | 2015-01 | BPA |
| G0481 | Battery | 2 MW | active | 2013-04 | BPA |
| G0943 | Solar | 1 MW | active | 2023-10 | BPA |
| G0836 | Solar | 1 MW | withdrawn | 2023-01 | BPA |
| Arlington Microgrid | Solar | 1 MW | active | 2018-06 | BPA |
| Hardeson Battery Storage Expansion | Battery | 1 MW | active | 2014-10 | BPA |
| Hardeson Battery Storage | Battery | 1 MW | active | 2013-05 | BPA |
| G1091 | Solar | 1 MW | active | 2026-01 | BPA |
Large-load connection requests in this county
Requests to connect large new demand — data centres, industry, electrification — as distinct from generation. 3 recorded here.
| Request | Capacity | Status | Queue | Stated end use |
|---|---|---|---|---|
| Getchell Substation | 300 MW | active | BPA | not stated |
| Beverly Park Expansion | 178 MW | withdrawn | BPA | not stated |
| Snohomish North Snohomish County | 2 MW | withdrawn | BPA | not stated |
494 of the 545 large-load requests we hold state no end use at all, so most cannot be attributed to any industry. Where this table says “not stated”, that is the filing’s own silence, not our omission.
How this county ranks
Snohomish County ranks #1190 of 1,607 US counties by capacity currently queued, and #27 of 30 in Washington.
Other Washington counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Benton County | 20 | 10.5 GW |
| Yakima County | 14 | 6.5 GW |
| Klickitat County | 23 | 6.2 GW |
| Grant County | 13 | 3.7 GW |
| Douglas County | 8 | 3.6 GW |
| Walla Walla County | 8 | 1.7 GW |
| Lincoln County | 8 | 1.6 GW |
| Spokane County | 11 | 973 MW |
Go deeper on Snohomish County
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.
Open Snohomish County on the map County reports All of Washington