UTC Case Docket Document Sets

Filing UG - 260721

Company: Avista Corporation

DBA: Avista Utilities

Filing Type: Tariff Revision

Case Status: Pending

Dates (Opened & Effective): 08/31/2026 & 11/01/2026

Summary: Revises Tariff No. WN U-29 for an insurance renewal summary describing the annual actions utilized by Avista to seek out, negotiate, and attain the best insurance at the lowest costs.

Document Type	Date	Description
Workpapers	08/31/2026	Workpapers, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews. 260721-AVA-Gas-Insurance-CLtr-8-31-2026.pdf 933 KB 260721-AVA-Gas-Insurance-Rate-Calc-WP-8-31-2026.xlsx 527 KB
Initial Filing	08/31/2026	Redacted Revision to Tariff No. WN U-29, on behalf of Avista Corporation d/b/a Avista Utilities, from Elizabeth Andrews. 260721-Attachment A3 - ITV of Major Generation Facilities (R).pdf 313 KB 260721-Attachment C - D and O Insurance Renewal Analysis Form (R).pdf 265 KB 260721-Attachment A - Property Insurance Renewal Analysis Form (R).pdf 136 KB 260721-Attachment D - WC Insurance Renewal Analysis Form (R).pdf 136 KB 260721-AVA-Media-Notice-8-31-2026.pdf 220 KB 260721-Attachment B1 - Excess Liability - PNW IOU Excess Liability Benchmarking (R).pdf 196 KB 260721-Attachment B - Excess Liability Insurance Renewal Analysis Form (R).pdf 187 KB 260721-Attachment E1 - Cyber Breach Estimates (R).pdf 270 KB 260721-Attachment F - Colstrip Renewal Analysis Form (R).pdf 185 KB 260721-AVA-Customer Notice-08-31-2026.pdf 202 KB 260721-Attachment A2 - Estimated Savings by Shift from Starr to London (R).pdf 267 KB 260721-Attachment E - Cyber Insurance Renewal Analysis Form (R).pdf 176 KB 260721-AVA-Gas-Insurance-Trf-8-31-2026.pdf 2 MB 260721-Attachment A1 - Avista 2025 Property Structure (R).pdf 267 KB 260721-Attachment C2 - D and O Loss Modeling (R).pdf 231 KB 260721-AVA-Gas-Insurance-CLtr-8-31-2026.pdf 933 KB 260721-Attachment E2 - 2025 Avista Benchmarking (R).pdf 267 KB 260721-Attachment C1 - Avista D and O Peer Benchmarking (R).pdf 265 KB