i'm getting refunds for overcharges from last winter

Consume or pay!
There’s something wrong with this. I can’t quite put my finger on it…
Peoples Energy Corp., its profits lagging as more Chicagoans conserve, thinks customers should pay more for using less natural gas. The Chicago natural gas utility, which serves about 1 million customers in the city and northern suburbs, blames this year’s mild winter and customers’ conservation for a decline in gas consumption. […] “We’ve got to have some kind of (revenue) floor for the effects of conservation.”