Avista Utilities — Interconnection Portfolio

Avista Utilities is associated with 12 tracked interconnection projects representing 579 MW of requested capacity.

Entity resolution: this developer rolls up 6 source organization name(s) that were auto-matched into a single canonical cluster. Attribution is inferred from source records and may include related special-purpose entities.

12Projects
5Active
2Operational
5Withdrawn
579 MWRequested capacity
0Markets

Capacity by technology

TechnologyProjectsRequested capacity
Gas5442 MW
Other7137 MW

Geographic footprint

StateProjects
Washington10
Oregon1
Idaho1

Projects

ProjectQueue IDTechnologyCapacityStatusLocation
100MW Cowlitz-CardwellG46-03Gas100.0 MWwithdrawnCowlitz, Washington
100MW Longview 2G45Gas100.0 MWwithdrawnCowlitz, Washington
100MW Cowlitz PUD BHP at KalamaG46-02Gas100.0 MWwithdrawnCowlitz, Washington
100MW Longview 1G44Gas100.0 MWwithdrawnCowlitz, Washington
Trentwood 115 kVL0623Other80.0 MWactiveSpokane, Washington
Coyote Springs 2G0616Gas42.0 MWoperationalMorrow, Oregon
Five Mile 115 kVL0625Other36.0 MWactiveSpokane, Washington
Tiger HighwayL0616Other12.0 MWactiveStevens, Washington
L0517 Midway SubstationL0517Other9.2 MWactiveSpokane, Washington
Grand Coulee-WestsideL0334Other0.0 MWwithdrawnGrant, Washington
Lancaster SubstationL0311Other0.0 MWoperationalKootenai, Idaho
Garden SpringsL0485Other0.0 MWactiveSpokane, Washington

Recent material changes

No material field-level changes have been recorded against these projects since the baseline snapshot. interXdata records changes as new source snapshots are ingested and diffed.

Explore related data

Source last checked2026-07-31
Data last materially changed2026-08-27
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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