---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-006060"
form_type: "8-K"
ticker: "AVA"
cik: "0000104918"
company_name: "AVISTA CORP"
filed_at: "2023-03-06T23:59:59+00:00"
generated_at: "2026-06-18T11:03:56.349478+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Avista files $11M natural gas rate increase request with Oregon PUC

## Summary
- Proposed annual base revenue increase of $11.0M (14.4%) for Oregon natural gas operations.
- New rates would take effect Jan 1, 2024 if approved; OPUC has up to 10 months to decide.
- Request based on 7.59% rate of return, 50% equity, 10.25% ROE; driven by infrastructure investment.

## SEC filing metadata
- accession: 0000950170-23-006060
- form_type: 8-K
- ticker: AVA
- cik: 0000104918
- company_name: AVISTA CORP
- filed_at: 2023-03-06T23:59:59+00:00
- event_type: regulatory
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/104918/000095017023006060/0000950170-23-006060-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/104918/000095017023006060/ava-20230301.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-006060
- JSON: https://secwatch.observer/filing/0000950170-23-006060.json
- Plain text: https://secwatch.observer/filing/0000950170-23-006060.txt

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