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Filing UE - 260905

Company: Avista Corporation
DBA: Avista Utilities
Filing Type: Tariff Revision
Case Status: Pending
Dates (Opened & Effective): 10/30/2026 & 01/01/2027
Summary: Revises Tariff No. WN U-28 to revise the current Tariff Sheet 99 currently in effect to reflect $3.2 million (or 0.4 percent) for calendar 2027. Per Order No. 10/04 in Docket Nos. UE- 220053, et. al., after January 1, 2026, Avista is to recover through separate Colstrip Tariff Schedule the operating, maintenance and other expenses associated with decommissioning and remediation costs only, related to its ownership in Colstrip Units 3 and 4.

 

Filter by document type: All | Initial Filing | Workpapers
Document Type Date Description
Workpapers 10/30/2026 Redacted Workpapers, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.
Initial Filing 10/30/2026 Revises Tariff No. 28, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews.