Johnson County 345kV Substation (GEN-2017-149)

Johnson County 345kV Substation is a 258.0 MW wind interconnection project in Johnston, Oklahoma with a current status of active. It is proposed to connect at Johnson County 345kV Substation.

258.0 MWCapacity
ActiveStatus
OKMarket
WindTechnology

Project facts

Canonical nameJohnson County 345kV Substation
Queue IDGEN-2017-149
Statusactive
Source statusIA FULLY EXECUTED/ON SCHEDULE
MarketOK
TechnologyWind
Capacity258.0 MW
StateOklahoma
CountyJohnston
Point of interconnectionJohnson County 345kV Substation
Requested (queue) date2017-11-27
Proposed in-service date2027-12-31
Operational date
Withdrawn date
Developer
Utility / transmission ownerOGE

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

What changed

ObservedFieldOld valueNew valueMateriality
2026-07-31new_projectactivehigh

Explore related data

Source last checked2026-08-27
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: Southwest Power Pool — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

Follow this project and get an alert when its status, capacity, developer, or schedule changes.

Start tracking with interXdata