Johnston County, Oklahoma — Interconnection Projects
The interXdata warehouse tracks 12 interconnection projects in Johnston, Oklahoma, representing 2,383 MW of requested capacity.
12Total projects
4Active
2Operational
6Withdrawn
2,383 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Wind | 4 | 1,016 MW |
| Solar | 5 | 866 MW |
| Battery | 3 | 500 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Pittsburg - Johnston County 345 kV line | GEN-2024-338 | Solar | 350.0 MW | operational | Johnston, Oklahoma |
| Diamond Spring, LLC | 63327_46001 | Wind | 303.5 MW | operational | Johnston, Oklahoma |
| Johnson County 345kV Substation | GEN-2017-149 | Wind | 258.0 MW | active | Johnston, Oklahoma |
| Johnson County 345kV Substation | GEN-2017-154 | Wind | 255.0 MW | withdrawn | Johnston, Oklahoma |
| Hugo-Sunnyside 345 kV | GEN-2020-SR3 | Battery | 200.0 MW | withdrawn | Johnston, Oklahoma |
| Bison 345kV Substation | GEN-2026-SR23 | Battery | 200.0 MW | active | Johnston, Oklahoma |
| Bison 345kV Substation | GEN-2022-098 | Solar | 200.0 MW | active | Johnston, Oklahoma |
| Hugo-Sunnyside 345 kV | GEN-2016-063 | Wind | 200.0 MW | withdrawn | Johnston, Oklahoma |
| Tupelo-Brown 138 kV Line | GEN-2023-016 | Solar | 130.0 MW | withdrawn | Johnston, Oklahoma |
| Johnston County 345 kV Substation | GEN-2020-015 | Solar | 104.0 MW | withdrawn | Johnston, Oklahoma |
| Brown 138kV | GEN-2020-SR2 | Battery | 100.0 MW | active | Johnston, Oklahoma |
| Imo 138 kV Sub | GEN-2016-033 | Solar | 82.3 MW | withdrawn | Johnston, Oklahoma |
Top developers
Developer attribution is not yet resolved for this set.
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); Southwest Power Pool — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
Get an alert when a new project is proposed in Johnston County.
Start tracking with interXdata