Glossary

An association representing natural gas utilities that deliver natural gas to homes and businesses across the nation. The organization is a clearinghouse for natural gas industry information and a catalyst in energy policy matters. Abbreviated AGA.
A system that converts organic waste products such as farm manure into methane.
A measure of heat energy. One Btu represents the amount of heat needed to raise one pound of water 1 degree Fahrenheit at sea level.
A permit, commonly issued by a state commission, allowing a utility to engage in business, construct facilities or perform a service. It is also the type of permit issued by the Federal Energy Regulatory Commission allowing a party to transport natural gas, sell it for resale in interstate commerce or construct, acquire or operate any facilities for that purpose. The commission may attach reasonable terms and conditions that public convenience and necessity may require. Abbreviated CPCN.
The point at which a local natural gas distribution company, or utility, accepts delivery of natural gas from a pipeline company.
A measure of the heat energy of natural gas equal to 10 therms or 1 million Btus. Abbreviated DTH.
A federal agency that regulates interstate wholesale energy transactions, including natural gas transportation and electric transmission, to ensure reasonable rates. It also licenses hydroelectric projects, interconnections, construction work for the utility industry, rates for wholesale energy customers and utility accounting practices. Abbreviated FERC.
A temporary discontinuance in the supply of electricity or natural gas.
A unit of electricity equal to 1,000 watts. Abbreviated kW.
One kilowatt of electricity used for one hour. Abbreviated kWh.
Natural gas that has been turned to liquid by reducing its temperature to -260 degrees Fahrenheit at atmospheric pressure. It occupies 1/600 of the volume of natural gas vapor at standard conditions. Abbreviated LNG.
A utility that distributes natural gas or electricity to customers' homes and businesses.
A solar cell array that converts energy from sunlight directly into electricity.
A schedule detailing the terms, conditions and pricing that apply to various types of natural gas and electric service. Tariffs are filed with and approved by the Federal Energy Regulatory Commission or a state regulatory body.
A measure of the heat energy of natural gas equal to 100,000 Btus.