While Ameren Illinois and Commonwealth Edison have not officially announced what their summer electricity prices will be, the Chicago Tribune has reported some estimates. The bad news is power prices will continue to be elevated, and the major reason is soaring energy demand caused by new and proposed data centers. Here’s…...
CUB General Counsel’s Report on 2026 legal cases
The following is a report from CUB General Counsel Eric DeBellis to Executive Director Sarah Moskowitz on major cases CUB’s Legal Team is tackling in 2026, including $571 million in rate cases before the Illinois Commerce Commission (ICC). If you are concerned about these rate hikes, please take action by signing…...
CUB’s Gas-Bill Guide: What are you paying to heat your home in 2026?
Millions of Illinois consumers are paying more to heat their homes in 2026. Read our guide below. Gas-Bill Guide: New Developments Rate Hikes: Ameren Illinois and Nicor Gas both received rate hikes in November of 2025, although not as much as they wanted. In 2026, several gas utilities are asking for…...
CUB’s Power-Bill Guide: 2026 rates for Ameren and ComEd customers
There have been several dramatic developments concerning Commonwealth Edison (ComEd) and Ameren Illinois electric bills over the past 12 months. This guide outlines those developments, and summarizes new Ameren and ComEd rates in 2026. Power-Bill Guide: New Developments Rate hikes: In December 2025, the Illinois Commerce Commission (ICC) granted a $243…...
Warning: Be careful of high prices connected to municipal aggregation offers
We’ve warned consumers about sales reps trying to use the Ameren Illinois and Commonwealth Edison price spikes as a way to lure people into bad energy deals–but what about another type of electricity choice: “municipal aggregation,” a.k.a. community power deals through your city, town, or county? We reviewed current aggregation…...
New electric rates for ComEd and Ameren customers in 2025
In December 2024, the Illinois Commerce Commission (ICC) granted a $606 million hike in delivery rates for ComEd and a $309 million increase for Ameren. The rulings were a step in the right direction in that they cut hundreds of millions of dollars in wasteful spending proposed by both utilities, reduced…...
CUB alerts Illinois consumers to new fall/winter power prices
As of October 1, Commonwealth Edison and Ameren Illinois are charging a new “price to compare,” the price customers should compare to alternative supplier offers, according to PlugInIllinois.gov, the state of Illinois’ electric competition website. ComEd Supply Rate: October 2024 – May 2025 6.47 cents per kilowatt-hour (kWh) Note: This…...
CUB’s Winter Toolkit: Updates and info that matter to your heating bills
CUB put together this Winter Toolkit to help you prepare for when the cold wind blows. We hope you find this information helpful. Winter Predictions: The National Oceanic and Atmospheric Administration’s outlook for November through January shows a mix of above- and below-normal temperatures, and a chance for higher than…...
CUB’s monthly report on gas volatility: July 2024
Most gas utilities are charging higher supply prices, compared with last month and last year, according to CUB’s review of pricing information filed with the Illinois Commerce Commission (ICC). Gas utilities file supply prices–called the Purchased Gas Adjustment (PGA)–each month with the ICC. Here’s a rundown of what we found.…...
CUB’s monthly report on gas volatility: June 2024
Gas utilities file supply prices–called the Purchased Gas Adjustment (PGA)–each month with the Illinois Commerce Commission (ICC). Here’s what we uncovered in our review of June prices. Compared with last month, six major utilities are charging prices that are higher, ranging from about 2 percent (Ameren) to 65 percent (Mr. Carmel).…...

