Washington County, OR interconnection queue
5 interconnection applications are pending in Washington County, OR, requesting 1.3 GW of new generating capacity, as of 15 August 2026. 1 projects have been built here and 14 have been withdrawn since 2016.
Source: interconnection queues published by PGE. 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 Washington County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Battery | 5 | 1.3 GW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 1 | 200 MW | 5.0% |
| Still pending | 5 | 1.3 GW | 25.0% |
| Withdrawn | 14 | 2.9 GW | 70.0% |
| 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 |
|---|---|---|---|---|---|
| 21-105 | Battery | 800 MW | withdrawn | 2021-08 | PGE |
| 21-104 | Battery | 400 MW | active | 2021-08 | PGE |
| 23-221 | Battery | 400 MW | active | 2023-03 | PGE |
| 23-223 | Wind | 400 MW | withdrawn | 2023-03 | PGE |
| 20-082 | Battery | 200 MW | completed | 2020-05 | PGE |
| 21-099 | Battery | 200 MW | active | 2021-05 | PGE |
| 21-100 | Battery | 200 MW | active | 2021-05 | PGE |
| 23-220 | Wind | 200 MW | withdrawn | 2023-03 | PGE |
| 24-246 | Battery | 200 MW | withdrawn | 2024-05 | PGE |
| 24-249 | Battery | 200 MW | withdrawn | 2024-05 | PGE |
| 24-254 | Battery | 200 MW | withdrawn | 2024-05 | PGE |
| 24-256 | Battery | 200 MW | withdrawn | 2024-05 | PGE |
| G0737 | Wind | 150 MW | withdrawn | 2022-04 | BPA |
| 16-059 | Battery | 100 MW | withdrawn | 2016-08 | PGE |
| 22-108 | Battery | 100 MW | withdrawn | 2022-02 | PGE |
Large-load connection requests in this county
Requests to connect large new demand — data centres, industry, electrification — as distinct from generation. 10 recorded here.
| Request | Capacity | Status | Queue | Stated end use |
|---|---|---|---|---|
| NW Hillsboro-North Plains Semiconductor Plants Project (Phase 2) | 1.8 GW | active | BPA | not stated |
| West Hillsboro Data Center Project (Phase 1) | 1.4 GW | active | BPA | not stated |
| Keeler Substation | 1.0 GW | active | BPA | not stated |
| Stearns Lane | 300 MW | active | BPA | not stated |
| Meadowlark Expansion | 180 MW | active | BPA | not stated |
| Lake Street Data Center | 108 MW | withdrawn | BPA | not stated |
| Meadowlark | 36 MW | active | BPA | not stated |
| Thatcher Substation | 20 MW | withdrawn | BPA | not stated |
| CPI-EPUD Tie | 6 MW | active | BPA | not stated |
| Forest Grove Substation Transmission Tie Switch Addition | 0 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
Washington County ranks #297 of 1,607 US counties by capacity currently queued, and #14 of 30 in Oregon.
Other Oregon counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Sherman County | 31 | 14.6 GW |
| Crook County | 36 | 14.2 GW |
| Wasco County | 19 | 9.9 GW |
| Morrow County | 21 | 6.5 GW |
| Klamath County | 14 | 5.3 GW |
| Umatilla County | 18 | 4.2 GW |
| Jefferson County | 21 | 4.2 GW |
| Gilliam County | 16 | 3.8 GW |
Go deeper on Washington 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 Washington County on the map County reports All of Oregon