Sunheaven 3 Substation (L0613)

Sunheaven 3 Substation is a 5.4 MW other interconnection project in Benton, Washington with a current status of active. It is proposed to connect at Horse Heaven Substation 115 kV.

5.4 MWCapacity
ActiveStatus
WAMarket
OtherTechnology

Project facts

Canonical nameSunheaven 3 Substation
Queue IDL0613
Statusactive
Source statusSTUDY
MarketWA
TechnologyOther
Capacity5.4 MW
StateWashington
CountyBenton
Point of interconnectionHorse Heaven Substation 115 kV
Requested (queue) date2024-06-21
Proposed in-service date2027-06-24
Operational date
Withdrawn date
DeveloperPublic Utility District No. 1 of Cowlitz County
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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