Horseshoe Lake 138kV Substation (ERAS-2025-010)

Horseshoe Lake 138kV Substation is a 496.0 MW gas interconnection project in Harrah, Oklahoma with a current status of active. It is proposed to connect at Horseshoe Lake 138kV Substation.

496.0 MWCapacity
ActiveStatus
OKMarket
GasTechnology

Project facts

Canonical nameHorseshoe Lake 138kV Substation
Queue IDERAS-2025-010
Statusactive
Source statusIA FULLY EXECUTED/ON SCHEDULE
MarketOK
TechnologyGas
Capacity496.0 MW
StateOklahoma
CountyHarrah
Point of interconnectionHorseshoe Lake 138kV Substation
Requested (queue) date2025-09-10
Proposed in-service date2029-01-01
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Withdrawn date—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
2026-09-24operational_date2028-04-01—medium
2026-09-24proposed_online_date—2029-01-01medium
2026-09-24statusoperationalactivehigh
2026-07-31new_project—operationalhigh

Explore related data

Source last checked2026-10-11
Data last materially changed2026-10-11
Page data generated2026-10-11

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.

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