Longhorn-McNary 230 kV Loop (L0653)
Longhorn-McNary 230 kV Loop is a 2,225.0 MW other interconnection project with a current status of active. It is proposed to connect at Longhorn Substation, McNary Substation.
2,225.0 MWCapacity
ActiveStatus
—Market
OtherTechnology
Project facts
| Canonical name | Longhorn-McNary 230 kV Loop |
|---|---|
| Queue ID | L0653 |
| Status | active |
| Source status | STUDY |
| Market | — |
| Technology | Other |
| Capacity | 2,225.0 MW |
| State | — |
| County | Umatilla And Morrow |
| Point of interconnection | Longhorn Substation, McNary Substation |
| Requested (queue) date | 2025-06-02 |
| Proposed in-service date | 2028-06-03 |
| Operational date | — |
| Withdrawn date | — |
| Developer | Umatilla Electric Cooperative |
| Utility / transmission owner | Bonneville Power Administration |
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-08-04 | new_project | — | active | high |
Explore related data
Source last checked2026-08-04
Data last materially changed2026-08-04
Page data generated2026-08-27
Provenance: bpa-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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