Deuel County, SD interconnection queue
2 interconnection applications are pending in Deuel County, SD, requesting 1.3 GW of new generating capacity, as of 15 August 2026. 2 projects have been built here and 8 have been withdrawn since 2001.
Source: interconnection queues published by MISO. 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 Deuel County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Gas | 1 | 1.1 GW |
| Hybrid | 1 | 142 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 2 | 251 MW | 16.7% |
| Still pending | 2 | 1.3 GW | 16.7% |
| Withdrawn | 8 | 1.7 GW | 66.7% |
| 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 |
|---|---|---|---|---|---|
| Astoria 345kV substation | Gas | 1.1 GW | active | 2025-03 | MISO |
| Astoria - Brookings County 345.0kV | Gas | 442 MW | withdrawn | 2025-05 | MISO |
| Astoria - Deuel County 345.0kV | Solar | 250 MW | withdrawn | 2024-12 | MISO |
| Astoria 345 kV Substation (J493/J510) | Wind | 250 MW | completed | 2019-04 | MISO |
| Brooking County - Big Stone South (J510 Tap - J630 Tap) 345kV Line | Wind | 200 MW | withdrawn | 2016-11 | MISO |
| GI-0310 | Wind | 200 MW | withdrawn | 2003-04 | WAPA-IS |
| Astoria 345kV | Wind | 185 MW | withdrawn | 2022-09 | MISO |
| Astoria 345kV | Solar | 150 MW | withdrawn | 2021-08 | MISO |
| GI-0105 | Wind | 150 MW | withdrawn | 2001-07 | WAPA-IS |
| Astoria 345kV substation | Hybrid | 142 MW | active | 2024-03 | MISO |
| Astoria 345kV | Solar | 75 MW | withdrawn | 2021-08 | MISO |
| GI-0516 | Other | 1 MW | completed | 2005-10 | WAPA-IS |
How this county ranks
Deuel County ranks #301 of 1,607 US counties by capacity currently queued, and #2 of 19 in South Dakota.
Other South Dakota counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Campbell County | 10 | 2.1 GW |
| Brookings County | 2 | 980 MW |
| Grant County | 2 | 500 MW |
| McPherson County | 2 | 400 MW |
| Brown County | 3 | 374 MW |
| Day County | 1 | 300 MW |
| Bon Homme County | 1 | 200 MW |
| Clark County | 1 | 200 MW |
Go deeper on Deuel 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 Deuel County on the map County reports All of South Dakota