Gas prices for five of Illinois’ 9 major utilities are lower than a year ago, and thankfully, predictions are for a relatively stable gas market. Still, there are examples of market volatility, including the Mt. Carmel utility, which is charging a gas price that is about 84 percent higher than…...
CUB’s report on gas market volatility: July 2026
While five major gas utilities in Illinois reported lower prices compared with last July, several are charging higher supply rates—including Liberty Utilities and Consumers Gas, which are charging a whopping $1.03 per therm and $1.83 per therm this month, respectively, according to a CUB review of gas supply prices. Illinois…...
CUB’s monthly report on gas market volatility: March 2025
Gas utilities file supply prices–called the Purchased Gas Adjustment (PGA)–each month with the Illinois Commerce Commission (ICC). Here’s what CUB uncovered in our review of prices in March. Compared with last month (February 2025), prices were higher for eight of 9 utilities: Ameren (about 0.24 percent higher), Illinois Gas (about…...

