---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-014777"
form_type: "8-K"
ticker: "AVA"
cik: "0000104918"
company_name: "AVISTA CORP"
filed_at: "2025-02-06T23:59:59+00:00"
generated_at: "2026-05-27T01:21:15.432352+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Avista files multi-year electric & gas rate cases in Idaho seeking ~$70M total revenue increase

## Summary
- Electric: $43.0M (14.0%) effective Sep 2025, plus $17.7M (5.0%) effective Sep 2026.
- Natural gas: $8.8M (17.7%) effective Sep 2025, plus $1.0M (1.7%) effective Sep 2026.
- Request assumes 10.4% ROE, 50% equity ratio, and 7.68% rate of return on rate base.
- Drivers: capital infrastructure, wildfire resiliency plan, technology, O&M, and power supply costs.
- IPUC has up to nine months to review and issue a decision on the filings.

## SEC filing metadata
- accession: 0000950170-25-014777
- form_type: 8-K
- ticker: AVA
- cik: 0000104918
- company_name: AVISTA CORP
- filed_at: 2025-02-06T23:59:59+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/104918/000095017025014777/0000950170-25-014777-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/104918/000095017025014777/ava-20250131.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-014777
- JSON: https://secwatch.observer/filing/0000950170-25-014777.json
- Plain text: https://secwatch.observer/filing/0000950170-25-014777.txt

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