Grant County, SD interconnection queue
2 interconnection applications are pending in Grant County, SD, requesting 500 MW of new generating capacity, as of 15 August 2026. 0 projects have been built here and 18 have been withdrawn since 2001.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 Grant County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 2 | 500 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 0 | 0 MW | 0.0% |
| Still pending | 2 | 500 MW | 10.0% |
| Withdrawn | 18 | 2.5 GW | 90.0% |
| 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 |
|---|---|---|---|---|---|
| Big Stone South 345 kV substation | Wind | 450 MW | withdrawn | 2025-10 | MISO |
| Big Stone South 345 kV substation | Solar | 250 MW | active | 2025-10 | MISO |
| Big Stone South 345kV | Solar | 250 MW | withdrawn | 2025-10 | MISO |
| Big Stone South 345 kV substation | Solar | 250 MW | active | 2025-10 | MISO |
| GI-1310 | Wind | 201 MW | withdrawn | 2013-11 | WAPA-IS |
| Big Stone-Brookings County 345KV Line | Wind | 200 MW | withdrawn | 2017-06 | MISO |
| GI-0402 | Coal | 200 MW | withdrawn | 2004-04 | WAPA-IS |
| Big Stone South 345 kV Substation | Solar | 150 MW | withdrawn | 2022-09 | MISO |
| Big Stone South 345 kV substation | Wind | 150 MW | withdrawn | 2025-10 | MISO |
| GEN-2018-007 | Solar | 150 MW | withdrawn | 2018-04 | SPP |
| Big Stone South 230KV Substation | Hybrid | 125 MW | withdrawn | 2022-09 | MISO |
| Big Stone South 345kV Sub | Solar | 100 MW | withdrawn | 2019-04 | MISO |
| GI-0311 | Wind | 100 MW | withdrawn | 2003-04 | WAPA-IS |
| GI-0722 | Wind | 99 MW | withdrawn | 2007-11 | WAPA-IS |
| GI-1301 | Wind | 90 MW | withdrawn | 2013-03 | WAPA-IS |
How this county ranks
Grant County ranks #623 of 1,607 US counties by capacity currently queued, and #4 of 19 in South Dakota.
Other South Dakota counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Campbell County | 10 | 2.1 GW |
| Deuel County | 2 | 1.3 GW |
| Brookings County | 2 | 980 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 Grant 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 Grant County on the map County reports All of South Dakota