Gas

Gas Supply Prices: June

Ameren Illinois–50.29 cents per therm (UP about 10 percent from June 2025)
Consumers Gas–48.39 cents per therm (DOWN about 13 percent from June 2025)
Illinois Gas–44.13 cents per therm (DOWN about 21 percent from June 2025)
Liberty Utilities–74.90 cents per therm (UP about 33 percent from June 2025)
MidAmerican Energy–40.48 cents per therm (DOWN about 34 percent from June 2025)
Mt. Carmel–25.10 cents per therm (DOWN about 20 percent from June 2025)
Nicor Gas–36.00 cents per therm (DOWN about 33 percent from June 2025)
North Shore Gas–42.37 cents per therm (DOWN about 20 percent from June 2025)
Peoples Gas–36.76 cents per therm (DOWN about 34 percent from June 2025)

Note: See historical prices here.