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Natural Gas Glossary
The definitions below are sourced from the Vectren’s approved Tariffs for Gas Service in Ohio, and supplemented with select other definitions sourced from the US Energy Information Administration website.
*Sources:
US Energy Information Administration
Vectren Energy Delivery of Ohio, Inc. Tariff for Gas Service
Consumption – Natural gas used as lease fuel, plant fuel, for use by pipeline and distribution systems and by end-users (including residential, commercial, industrial, electric power and vehicle fuel).
Curtailment – The interruption or limitation of Gas Service available to the Customer pursuant to the Company’s Curtailment Procedures.
Curtailment Period – The period of time, as specified by the Company, during which Gas Service is subject to Curtailment.
Curtailment Procedures – Rule 24 of the Company’s General Terms and Conditions.
Customer – Any individual, partnership, association, firm, public or private corporation or any other entity receiving Gas Service provided by the Company with its consent. A Customer shall include any person receiving Gas Service from the Company irrespective of whether that person is the individual in whose name the Gas Service is being received.
Customer-Delivered Gas – Gas delivered by the Customer, or on the Customer’s behalf, to Company’s distribution system.
Electric Power Consumption – Gas used as fuel in the electric power sector.
Gas Cost Adjustment - Gas cost recovery process approved for the Company through various
Commission orders, including the Commission’s generic orders in Cause No. 37091.
Gas Service – The availability of natural gas or a mixture of natural gas and other compatible gases at the Company’s point of delivery to the Customer, irrespective of whether any such gas is actually consumed.
Group 1 – The Company's designation for a Customer served by a meter with a rated capacity of 450 Cfh or less.
Group 2 – The Company's designation for a Customer served by a meter with a rated capacity of greater than 450 Cfh and less than 5000 Cfh.
Group 3 – The Company's designation for a Customer served by a meter with a rated capacity of 5000 Cfh or greater.
Heating Degree-Day – A standard measure of the coldness of the temperatures experienced, based on the extent to which the daily mean temperature falls below a reference temperature of 65° Fahrenheit.
Industrial Customer – A Customer primarily engaged in a process that creates or changes raw or unfinished materials into another form or product.
Industrial Consumption – Natural gas used for heat, power or chemical feedstock by manufacturing establishments or those engaged in mining or other mineral extraction as well as consumers in agriculture, forestry and fisheries. Also included in industrial consumption are natural gas volumes used in the generation of electricity by other than regulated electric utilities.
Interruptible Service – Gas Sales Service subject to Curtailment and requiring the Customer to maintain Alternative Fuel capability.
Maximum Daily Usage – A Customer’s maximum actual gas usage or the Company’s estimate of the Customer’s maximum gas usage for any 24-hour period.
