CenterPoint Energy customers in Minnesota now pay progressively higher rates as they use more natural gas. Top-tier rates are higher to encourage conservation. CenterPoint charges separately for delivery costs.

Therms* per month Price per therm

The first 30 41 cents

From 31 to 110 58 cents

From 111 to 165 72 cents

From 166 to 200 75 cents

After 200 80 cents

* One therm equals 100,000 BTUs, or about 100 cubic feet of gas. Source: Minnesota attorney general's office