- Cubic Foot (Ccf) - A measurement of gas volume. One cubic foot is equal to the amount of gas required to fill one cubic foot under standard temperature and pressure (60 degrees Fahrenheit and 14.7 pounds per square inch pressure)
- Ccf - 100 Cubic Feet
- MCF - 1,000 Cubic Feet
- British Thermal Unit (BTU) - A measurement of heat. One BTU is equal to the amount of heat required to raise on pound of water one degree Fahrenheit.
- Therm (th) - A unit of heat equivalent to 100,000 BTUs
- Dekatherm (Dth) - Equal to 10 therms, 1,000,000 BTUs, or 1 MMBTU
The heating value of gas (or its calorific value) is an important factor in its purchase and sale. This "heat content" of the fuel is the principle measure of its ability to perform a heating service.
Gas is sold on a "therm" basis. It is measured at each customer meter on a volume basis; expressed in hundreds of cubic feet. The volume of gas measured is multiplied by its BTU heating value to determine the amount of therms used by a customer during a billing cycle. The BTU heating factor varies and is measured by those who sell and transport natural gas to us here at MTNG. A water flow calorimeter is used to measure the BTU heating factor and is averaged for use during the billing period.
MTNG’s BTU factor ranges from 1.030 to 1.090. Its average value is 1.065. A higher BTU factor results in fewer cubic feet of natural gas required to produce a given amount of heat; a lower BTU factor results in more cubic feet of natural gas required to produce the same amount of heat.
We bill as follows:
- A MTNG meter reader reads each customer's meter monthly and records the reading in hundred cubic feet (Ccf). The meter reader typically utilizes electronic technology that does not even require access to your property, saving our customers money by keeping our costs low. Even with this money-saving technology safety comes first, and each meter is physically checked at certain times each year as a double check of the technology.
- We multiply the reading in hundred cubic feet by the monthly BTU factor given to us by the Pipeline to determine the amount of therms used.
- We then bill using the cost as given in the appropriate rate sheet.
Fuel Cost Comparison
Customers may use this Fuel Cost Comparison document to compare the relative prices of Natural Gas, Electricity, Propane, Kerosene, and Coal. The document also compares the annual operating costs of typical household appliances for Natural Gas and Electricity.