McClain County, OK interconnection queue
1 interconnection applications are pending in McClain County, OK, requesting 496 MW of new generating capacity, as of 15 August 2026. 0 projects have been built here and 4 have been withdrawn since 2017.
Source: interconnection queues published by SPP. 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 McClain County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Gas | 1 | 496 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 0 | 0 MW | 0.0% |
| Still pending | 1 | 496 MW | 20.0% |
| Withdrawn | 4 | 807 MW | 80.0% |
| 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 |
|---|---|---|---|---|---|
| GEN-2024-013 | Gas | 496 MW | active | 2024-08 | SPP |
| GEN-2017-153 | Wind | 253 MW | withdrawn | 2017-11 | SPP |
| GEN-2017-152 | Wind | 252 MW | withdrawn | 2017-11 | SPP |
| GEN-2017-168 | Solar | 250 MW | withdrawn | 2017-11 | SPP |
| GEN-2017-169 | Battery | 52 MW | withdrawn | 2017-11 | SPP |
How this county ranks
McClain County ranks #626 of 1,607 US counties by capacity currently queued, and #21 of 50 in Oklahoma.
Other Oklahoma counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Oklahoma County | 13 | 3.0 GW |
| Texas County | 11 | 2.1 GW |
| Creek County | 3 | 2.0 GW |
| Payne County | 6 | 1.8 GW |
| Mayes County | 12 | 1.6 GW |
| Johnston County | 7 | 1.5 GW |
| Muskogee County | 6 | 1.4 GW |
| Grady County | 7 | 1.3 GW |
Go deeper on McClain 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 McClain County on the map County reports All of Oklahoma