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The following list of definitions are provided to assist readers in the
interpretation of this document, in particular those persons unfamiliar
with natural gas industry terminology.
Applicant
A person who has applied for a Distribution Service.
Billing Period
The period from 8.00am on the last Business Day in one Month up to 8.00am
on the last Business Day in the next month with the exception of the month
of September when the Billing Period ends at 8.00am on the 1st of October
regardless of whether that Day is a Business Day.
Business Day
A day, other than a Saturday or Sunday, when registered banks are open
for business.
Calorific Value or CV
A gas property which represents the amount of energy generated by complete
combustion of one standard cubic metre of gas, measured in Megajoules
per standard cubic metre.
Capacity
The ability of a pipeline to transport Gas between two locations under
a particular set of operating conditions.
Compressed Natural Gas or CNG
CNG is used in automobiles as an alternative fuel. These automobiles refuel
at service stations with CNG dispensing facilities. Such sites are classified
as CNG Delivery Points or CNG Sites.
Contract Year
The period from 8:00am on 1 October of one year to 8:00am on 1 October
of the next year.
Day
The period beginning and ending at 8.00 am. When referring to a particular
Day the date of the Day is the date on which that Day begins.
Delivery Point or DP
The point where gas exits the distribution system and where the System
User nominates to have gas delivered.
Distribution Service
The service that WGL offers.
Distribution Services Agreement or DSA
The agreement signed by WGL and the System User which specifies the respective
rights and obligations in respect of the transportation of the System
User's gas through WGL's Distribution System.
Distribution System
The gas transportation system owned and operated by WGL.
Emergency
An unplanned interruption to supply or an unplanned event, which presents,
or has the
potential to present, a hazard to life and/or property and/or the environment.
End User
The ultimate consumer of gas supplied through a Delivery Point.
Fixed Factor
A factor applied to the volume of Gas measured by the meter at actual
conditions to
convert to volume of Gas at Standard Conditions of pressure and temperature.
Gas
Natural gas which meets the "New Zealand Specification For reticulated
Natural Gas, New Zealand Standard 5442: 1990".
Gas Measurement System
The equipment installed at a Delivery Point used to measure the quantity
of Gas delivered.
Gigajoule or GJ
Equivalent to 109 Joules. The energy unit in which contracted gas flows
are measured.
Note that 1 Terajoule (TJ) equals 1,000 GJ and 1 Petajoule (PJ) equals
1,000,000 GJ.
Maximum Hourly Quantity or MHQ
The maximum quantity of Gas, measured in cubic metres, delivered in any
hour of any Day.
Maximum Instantaneous Quantity or MIQ
The instantaneous quantity of Gas measured in cubic metres, delivered
at any point in time.
Month
The period beginning at 8.00 am on the last Day of a calendar month and
ending at 8.00
am on the last Day of the next calendar month.
Negotiated Service
The terms, conditions and price agreed by WGL and the System User for
a service (other
than Posted Price Service), using the pricing principles in this Information
Memorandum.
Neutral and Non-Discriminatory
To act impartially and not to distinguish between System Users or to favour
one System
User over another in the terms and conditions and price for services offered
or provided.
Nominated Annual Quantity or NAQ
The quantity of Gas which WGL will deliver in any Year to at a Delivery
Point.
Nominated Monthly Quantity or NMQ
The quantity of Gas which WGL will deliver in any Month to a Delivery
Point.
Non-Specification Gas
Natural gas which does not meet the "New Zealand Specification For
reticulated Natural
Gas, New Zealand Standard 5442: 1990".
Party
WGL and the System User individually and Parties means them collectively.
Posted Price Service
The price, terms and conditions for Distribution Services (other than
Negotiated Services) specified in this Information Memorandum. Appendix
A contains the Posted Prices for these services.
Receipt Point
The point where gas enters the Distribution system.
Reconciliator
The person responsible for allocating the proportions of Gas received
by, or delivered to,
the System User in circumstances where the System User shares a Receipt
Point or
Delivery Point with other System Users.
Standard Conditions
A temperature of 15oC and an absolute pressure of 101.325 kPa.
Time of Use Device
Equipment used for the purpose of providing Gas flow information at predetermined
moments in time.
Unaccounted for Gas or UFG
The difference between metered Gas entering and exiting a Distribution
System in a given period.
Unbilled Gas
The estimated quantity of Gas which has been delivered to each Delivery
Point since the last meter reading.
Usage Profile
The annual usage profile anticipated at a Delivery Point, for each hour
and Day of the Year.
Year
The period commencing at 8.00 am on the 1st day of October in each year
and ending at 8.00 am on the 1st day of October in the following year.
WGL
Wanganui Gas Limited.
WGL - Distribution
The Distribution Division of Wanganui Gas Limited.
WGL - Retail
The Retail Division of Wanganui Gas Limited.
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