McClain Substation (GEN-2025-SR15)
McClain Substation is a 125.0 MW other interconnection project in Newcastle, Oklahoma with a current status of active. It is proposed to connect at McClain Substation.
125.0 MWCapacity
ActiveStatus
OKMarket
OtherTechnology
Project facts
| Canonical name | McClain Substation |
|---|---|
| Queue ID | GEN-2025-SR15 |
| Status | active |
| Source status | SPECIAL STUDY |
| Market | OK |
| Technology | Other |
| Capacity | 125.0 MW |
| State | Oklahoma |
| County | Newcastle |
| Point of interconnection | McClain Substation |
| Requested (queue) date | 2025-05-31 |
| Proposed in-service date | 2029-12-01 |
| Operational date | — |
| Withdrawn date | — |
| Developer | — |
| Utility / transmission owner | OG&E |
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
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-07-31 | new_project | — | active | high |
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.
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