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Glossary of Terms
Below is a listing of the glossary of terms as it relates to the T-1 and U7 services.
Gas authorized to be taken above a customer’s contracted level. Authorized overrun applies to contracted demand volumes, storage space, injections and withdrawal parameters.
Effective January 1, 2007, new customers and existing customers with incremental daily firm demand requirements in excess of 1,200,000 m3/day and who are directly connected to i) the Dawn-Trafalgar transmission system in close proximity to Parkway or ii) a third party pipeline, have the option to pay for service using a Billing Contract Demand. The Billing Contract Demand shall be determined by Union such that the annual revenues over the term of the contract will recover the invested capital, return on capital and operating and maintenance costs associated with the dedicated service in accordance with Union’s system expansion policy. The firm transportation demand charge will be applied to the Billing Contract Demand. For customers choosing the Billing Contract Demand option, the authorized transportation overrun rate will apply to all volumes in excess of the Billing Contract Demand but less than the daily firm demand requirement.
As relating to pipeline rates, the commodity rate recovers those variable costs associated with each unit of natural gas transported.
The quantity of natural gas used by an end customer.
Transportation by pipeline of gas quantities belonging to another party. The pipeline company charges a fee for transportation.
Contract Demand (CD)
The maximum volume or quantity of gas that Union Gas is obliged to deliver in any one day to a Customer under all Services or, if the context so requires, a particular service at the consumption point.
Contract Demand Gas (CD Gas)
Gas or transportation entitlement which the utility or a customer has the contractual right to demand on a daily basis from the supplier of gas. The customer must pay a fixed monthly demand charge for the transportation of the gas regardless of volumes actually taken and also a commodity charge related to the volume taken.
Represents compressor fuel collected from T-1, U7, M12 and C1 storage and transportation services customers.
Daily Contract Quantity (DCQ)
The maximum amount of natural gas per day that a direct purchase customer may deliver to Union Gas’s system under the provisions of a direct purchase contract.
The portion of the transportation rate which a customer pays whether or not they use the service, to cover fixed costs which are incurred whether or not gas is consumed The charge is based on the Contract Demand volume. Customers are responsible for paying the demand charge even if no gas is transported.
A prediction of the total natural gas expected to be consumed in a future period. This could apply to a customer class, rate class or market.
Direct Purchase (DP)
A service whereby a customer or their agent arrange to obtain a supply of natural gas and/or upstream transmission services directly (not through the utility).
Automatic renewal of a contract at termination unless either party gives notice not to renew.
Gas that is used as fuel to operate the compressors that move natural gas through a pipeline. Usually expressed as a percentage of volumes transported.
A period of twenty-four (24) consecutive hours beginning at 10:00 a.m. in the Eastern Time Zone. The reference date for any day shall be the calendar date upon which the twenty-four (24) hour period shall commence.
A request to Union Gas for gas service in accordance with Union Gas’s nomination provisions.
The volume of gas which a customer is not obligated to deliver to Union Gas on a firm basis at the specified points of receipt.
The volume of gas which a customer is obligated to deliver to Union Gas on a firm basis at the points of receipt.
Natural Gas service made available on special schedules or contracts for a specified part of the year during the off-peak season.
The Parkway Callback is limited to unbundled customers. Union Gas has the right to call an unbundled customer’s delivery obligation to Parkway. The Parkway delivery obligation for unbundled customers will be limited to a specified number of days. The Customer has no obligation to deliver gas on any day except their Parkway Call quantities when requested by Union Gas.
The period from April 1 to October 31, representing 214 days.
A process by which measurable natural gas quantities from substations and generating stations are transmitted through telecommunication to a remote location.
That volume of gas taken over and above a customer’s contract level and not provided for by special authorization. Authorized overrun applies to contracted demand volumes, storage space, injections and withdrawal parameters.
The period from November 1 to March 31, representing a total of 151 days (152 days in a leap year).