Umatilla County, OR interconnection queue
18 interconnection applications are pending in Umatilla County, OR, requesting 4.2 GW of new generating capacity, as of 15 August 2026. 15 projects have been built here and 96 have been withdrawn since 2000.
Source: interconnection queues published by BPA, PacifiCorp. 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 Umatilla County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 10 | 2.6 GW |
| Battery | 3 | 1.4 GW |
| Wind | 3 | 172 MW |
| Gas | 2 | 40 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 15 | 175 MW | 11.5% |
| Still pending | 18 | 4.2 GW | 13.8% |
| Withdrawn | 96 | 15.6 GW | 73.8% |
| Suspended | 1 | — | 0.8% |
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 |
|---|---|---|---|---|---|
| G0777 | Solar | 1.4 GW | active | 2022-08 | BPA |
| G0966 | Solar | 1.3 GW | withdrawn | 2023-10 | BPA |
| G0964 | Solar | 1.3 GW | withdrawn | 2023-10 | BPA |
| Wanapa Energy Center | Gas | 1.0 GW | withdrawn | 2001-02 | BPA |
| G0965 | Battery | 661 MW | active | 2023-10 | BPA |
| G0778 | Battery | 661 MW | withdrawn | 2022-08 | BPA |
| G0961 | Battery | 650 MW | withdrawn | 2023-10 | BPA |
| G0959 | Battery | 650 MW | withdrawn | 2023-10 | BPA |
| G0854 | Wind | 600 MW | withdrawn | 2023-04 | BPA |
| G0813 | Solar | 600 MW | withdrawn | 2022-09 | BPA |
| 346 | Wind | 599 MW | withdrawn | 2010-07 | PacifiCorp |
| PG and E Generation | Gas | 581 MW | withdrawn | 2000-06 | BPA |
| G1088 | Battery | 573 MW | active | 2025-12 | BPA |
| G0908 | Solar | 510 MW | active | 2023-07 | BPA |
| G0855 | Solar | 450 MW | withdrawn | 2023-04 | BPA |
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 |
|---|---|---|---|---|
| Sixmile Canyon 500kV Substation | 1.1 GW | withdrawn | BPA | not stated |
| Six Mile Canyon Substation | 1.0 GW | active | BPA | not stated |
| Morrow Flat_Longhorn | 500 MW | active | BPA | not stated |
| Project Pivot and Specialized | 484 MW | active | BPA | not stated |
| McNary 230kV | 450 MW | active | BPA | not stated |
| Basalt 230 kV Load | 153 MW | active | BPA | not stated |
| McNary-Badger Canyon | 100 MW | active | BPA | not stated |
| Boardman-Ione No. 1 69 kV Line Removal Project | 0 MW | active | BPA | not stated |
| Boardman to Hemingway Project | 0 MW | energized | BPA | not stated |
| Beck Road Switching Station | — | 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
Umatilla County ranks #69 of 1,607 US counties by capacity currently queued, and #6 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 |
| Jefferson County | 21 | 4.2 GW |
| Gilliam County | 16 | 3.8 GW |
| Linn County | 10 | 3.4 GW |
Go deeper on Umatilla 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 Umatilla County on the map County reports All of Oregon