---
schema_version: "secwatch.filing_event.v1"
accession: "0001004155-26-000027"
form_type: "8-K"
ticker: null
cik: "0001004155"
company_name: "SOUTHERN CO GAS"
filed_at: "2026-10-15T20:06:27+00:00"
generated_at: "2026-10-15T20:07:06.106996+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Illinois ICC approves Nicor Gas rate settlement: $82M base rate increase, 9.48% ROE, effective Nov 16

## Summary
- Illinois Commerce Commission approved a Stipulation among Nicor Gas, ICC Staff, Illinois Attorney General, CUB and others, filed with the ICC on September 8, 2026.
- Annual base rate revenues will increase by approximately $82 million, effective November 16, 2026; ROE set at 9.48% and equity ratio at 50.00%.
- Settlement resolves the Nicor Gas general base rate case filed January 9, 2026; order can be challenged by rehearing requests within 30 days of service.
- Once the order is final, Nicor Gas will move to dismiss its pending appeal of the Illinois Commission's November 19, 2025 base rate case decision.
- Other signatories include Illinois Industrial Energy Consumers, Legal Action Chicago, Retail Energy Supply Association and Illinois Competitive Energy Association.

## SEC filing metadata
- accession: 0001004155-26-000027
- form_type: 8-K
- cik: 0001004155
- company_name: SOUTHERN CO GAS
- filed_at: 2026-10-15T20:06:27+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1004155/000100415526000027/0001004155-26-000027-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1004155/000100415526000027/so-20261015.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001004155-26-000027
- JSON: https://secwatch.observer/filing/0001004155-26-000027.json
- Plain text: https://secwatch.observer/filing/0001004155-26-000027.txt

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