Gas prices for six of Illinois’ 9 major utilities were up from a year ago, including Consumers Gas, which is charging a supply rate about 89 percent higher than last September and Liberty Utilities, with a price that is up about 41 percent, according to a CUB review of September…...
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…...
CUB’s monthly report on gas market volatility: February 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 February. Compared with last month (January 2025), prices were higher for eight of 9 utilities: Ameren Illinois (about 1.8 percent higher), Illinois Gas…...

