Johnston County, OK interconnection queue
7 interconnection applications are pending in Johnston County, OK, requesting 1.5 GW of new generating capacity, as of 15 August 2026. 1 projects have been built here and 8 have been withdrawn since 2015.
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 Johnston County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 6 | 1.2 GW |
| Wind | 1 | 258 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 1 | 304 MW | 6.2% |
| Still pending | 7 | 1.5 GW | 43.8% |
| Withdrawn | 8 | 3.1 GW | 50.0% |
| 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| GEN-2016-019 | Gas | 1.2 GW | withdrawn | 2016-03 | SPP |
| GEN-2016-018 | Gas | 884 MW | withdrawn | 2016-03 | SPP |
| GEN-2024-338 | Solar | 350 MW | active | 2025-03 | SPP |
| GEN-2015-036 | Wind | 304 MW | completed | 2015-09 | SPP |
| GEN-2017-149 | Wind | 258 MW | active | 2017-11 | SPP |
| GEN-2017-154 | Wind | 255 MW | withdrawn | 2017-11 | SPP |
| GEN-2026-SR23 | Solar | 200 MW | active | 2026-06 | SPP |
| GEN-2024-SR6 | Solar | 200 MW | active | 2024-02 | SPP |
| GEN-2022-098 | Solar | 200 MW | active | 2022-12 | SPP |
| GEN-2017-075 | Solar | 200 MW | active | 2017-05 | SPP |
| GEN-2016-063 | Wind | 200 MW | withdrawn | 2016-03 | SPP |
| GEN-2020-SR3 | Battery | 200 MW | withdrawn | 2020-08 | SPP |
| GEN-2023-016 | Solar | 130 MW | withdrawn | 2023-10 | SPP |
| GEN-2020-015 | Solar | 104 MW | withdrawn | 2020-04 | SPP |
| GEN-2020-SR2 | Solar | 100 MW | active | 2020-08 | SPP |
How this county ranks
Johnston County ranks #258 of 1,607 US counties by capacity currently queued, and #6 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 |
| Muskogee County | 6 | 1.4 GW |
| Grady County | 7 | 1.3 GW |
| Canadian County | 7 | 1.2 GW |
Go deeper on Johnston 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 Johnston County on the map County reports All of Oklahoma