---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-006186"
form_type: "8-K"
ticker: "AVA"
cik: "0000104918"
company_name: "AVISTA CORP"
filed_at: "2024-01-23T23:59:59+00:00"
generated_at: "2026-06-06T19:46:20.284384+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Avista files multi-year rate cases seeking $77M electric and $17.3M gas revenue hikes in 2024

## Summary
- Electric: propose $77.1M increase (13.0% of base) effective Dec 2024; $53.7M (11.7%) in Dec 2025.
- Natural gas: propose $17.3M increase (13.6%) in 2024; $4.6M (3.2%) in 2025.
- Requests assume 10.4% ROE, 48.5% common equity ratio, and 7.61% return on rate base.
- Drivers include O&M cost growth, clean energy hydro, wildfire resiliency, and gas pipe replacement.

## SEC filing metadata
- accession: 0000950170-24-006186
- form_type: 8-K
- ticker: AVA
- cik: 0000104918
- company_name: AVISTA CORP
- filed_at: 2024-01-23T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/104918/000095017024006186/0000950170-24-006186-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/104918/000095017024006186/ava-20240118.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-006186
- JSON: https://secwatch.observer/filing/0000950170-24-006186.json
- Plain text: https://secwatch.observer/filing/0000950170-24-006186.txt

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