---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-001802"
form_type: "8-K"
ticker: "AVA"
cik: "0000104918"
company_name: "AVISTA CORP"
filed_at: "2023-02-06T23:59:59+00:00"
generated_at: "2026-06-19T23:44:10.533700+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# WUTC upholds Avista WA rate settlement; Avista files $40.3M ID rate hike request

## Summary
- WUTC denied Public Counsel's petition to reconsider its Dec 2022 order approving rate settlement; order stands.
- Idaho electric rate case seeks $37.5M (13.6%) increase effective Sep 2023 and $13.2M (4.2%) Sep 2024.
- Idaho natural gas case seeks $2.8M (6.0%) increase Sep 2023 and $0.1M (0.3%) Sep 2024.
- Proposed Idaho rate of return 7.59%, 50% common equity, 10.25% ROE; driven by capital infrastructure.

## SEC filing metadata
- accession: 0000950170-23-001802
- form_type: 8-K
- ticker: AVA
- cik: 0000104918
- company_name: AVISTA CORP
- filed_at: 2023-02-06T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/104918/000095017023001802/0000950170-23-001802-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/104918/000095017023001802/ava-20230130.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-001802
- JSON: https://secwatch.observer/filing/0000950170-23-001802.json
- Plain text: https://secwatch.observer/filing/0000950170-23-001802.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.