Southern Co Gas: Illinois commission approves Nicor Gas rate settlement

What happened On Oct 15, 2026, the Illinois Commerce Commission entered an order approving the Stipulation and Settlement (the “Stipulation”) among Northern Illinois Gas Company (“Nicor Gas”), a wholly-owned subsidiary of Southern Company Gas, the Staff of the Illinois Commission, the Illinois Attorney General, the Citizens Utility Board, the Illinois Industrial Energy Consumers, Legal Action Chicago, Retail Energy Supply Association, Illinois Competitive Energy Association and certain other parties. The Stipulation, filed with the Illinois Commission on Sep 8, 2026, relates to Nicor Gas’ general base rate case filed with the Illinois Commission on Jan 9, 2026. Under the Stipulation, annual base rate revenues will increase by approximately $82,000,000, effective Nov 16, 2026, with a return on equity of 9.48% and an equity ratio of 50.00%. The order is subject to a request for rehearing within 30 days of service, and Nicor Gas agreed that once the order becomes final it will file a motion to dismiss its pending appeal of the Illinois Commission’s Nov 19, 2025 base rate case decision.

Key details

• Stipulation filed with the Illinois Commission on Sep 8, 2026; general base rate case filed Jan 9, 2026.
• Illinois Commerce Commission entered the approving order on Oct 15, 2026; rehearing may be requested within 30 days of service.
• Annual base rate revenues to increase by approximately $82,000,000, effective Nov 16, 2026.
• Stipulation provides a return on equity of 9.48% and an equity ratio of 50.00%; Nicor Gas agreed to move to dismiss its pending appeal once the order is final.

Why it may matter This Item 8.01 filing reports the Illinois Commerce Commission’s order approving a settlement in Nicor Gas’ general base rate case and sets the rate change, return on equity and equity ratio described above. The filing does not show why the insider traded or why the company acted.