Longhorn 230 kV Substation (L0586)

Longhorn 230 kV Substation is a 750.0 MW other interconnection project in Linn, Oregon with a current status of active. It is proposed to connect at Longhorn Substation.

750.0 MWCapacity
ActiveStatus
ORMarket
OtherTechnology

Project facts

Canonical nameLonghorn 230 kV Substation
Queue IDL0586
Statusactive
Source statusSTUDY
MarketOR
TechnologyOther
Capacity750.0 MW
StateOregon
CountyLinn
Point of interconnectionLonghorn Substation
Requested (queue) date2023-11-16
Proposed in-service date2025-01-31
Operational date
Withdrawn date
DeveloperUmatilla Electric Cooperative
Utility / transmission ownerBonneville Power Administration

What changed

ObservedFieldOld valueNew valueMateriality
2026-08-04new_projectactivehigh

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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