---
schema_version: "secwatch.filing_event.v1"
accession: "0001057877-25-000091"
form_type: "8-K"
ticker: "IDA"
cik: "0001057877"
company_name: "IDACORP INC"
filed_at: "2025-12-31T23:59:59+00:00"
generated_at: "2026-05-16T11:52:40.684235+00:00"
event_type: "regulatory"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# IPUC approves Idaho Power rate settlement allowing $110M annual revenue increase

## Summary
- Annual Idaho-jurisdictional retail revenue to increase by ~$110M (7.48%), effective Jan 1, 2026.
- Authorized return on equity of 9.6% and overall rate of return of 7.41% on ~$4.9B rate base.
- Base net power supply expense reduced by $16.1M to ~$468.8M; wildfire cost deferral extended through 2027.
- ADITC mechanism modified: annual cap of $55M accelerated amortization; revenue sharing threshold at 9.6% ROE persists.
- Settlement stipulation approved; Idaho Power not precluded from filing another general rate case anytime.

## SEC filing metadata
- accession: 0001057877-25-000091
- form_type: 8-K
- ticker: IDA
- cik: 0001057877
- company_name: IDACORP INC
- filed_at: 2025-12-31T23:59:59+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/1057877/000105787725000091/0001057877-25-000091-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/49648/000105787725000091/ida-20251230.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001057877-25-000091
- JSON: https://secwatch.observer/filing/0001057877-25-000091.json
- Plain text: https://secwatch.observer/filing/0001057877-25-000091.txt

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