Cost of Gas Calculator
           

SEMCO ENERGY supplier energy charges for February 2017: $0.27630 per Therm*

Consumption of Natural Gas:
Therm(s)
Customer Choice Supplier
Energy Charges
Cost Required $
per Therm
*One Therm is equivalent to 100,000 BTUs and represents the thermal energy content of the gas consumed.

SEMCO Supplier Energy Charges are regulated by the Michigan Public Service Commission (MPSC) and may change monthly depending on SEMCO's actual cost for natural gas. An Alternative Gas Supplier's Supplier Energy Charges are not regulated by the MPSC and may change monthly depending on individual contract terms.
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SEMCO Energy Cost of Gas Customer Choice Supplier Cost of Gas
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Alternative Gas Supplier Information

Current and Historical Natural Gas Rates


This cost calculator represents a comparison of Supplier Energy Charges only. Other charges apply to all customers including:

  • Balance and Demand Charges
  • Energy Optimization Charge
  • Distribution Charge
  • Main Replacement (MRP) Charge
  • SEMCO Customer Charge
More information about these charges can be found on the back of your gas bill, or click here to view a PDF version.