Direct Energy says people on the regulated rate plan who live in and north of Red Deer will pay about $1.82 per gigajoule for natural gas, a drop from $2.31 in August.
The company says a typical consumer bill in September will be $54.
Atco Gas regulated rate customers south of Red Deer will pay $1.70 per gigajoule of gas, down from $2.18.
The typical bill for consumers in this area will be $44 in September.
Alberta adjusted its natural gas price budget projections Thursday from $3 per gigajoule to $2 per gigajoule, a potential revenue drop of $280 million over one year.