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Gas Act 1986, Section 12 is up to date with all changes known to be in force on or before 03 May 2024. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations.
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(1)Subject to sections 13 and 14 below, a public gas supplier shall charge for gas supplied by him according to the number of therms supplied, that number being calculated in the prescribed manner on the basis of the declared calorific value of the gas.
(2)In this Part—
“calorific value”, in relation to any gas, means the number of megajoules (gross) which would be produced by the combustion of one cubic metre of the gas measured at a temperature of 155C and a pressure of 1013.25 millibars and, if the Secretary of State so determines, containing such an amount of water vapour as is specified in the determination;
“declared calorific value”, in relation to any gas supplied by a public gas supplier, means calorific value declared by the supplier in accordance with regulations under subsection (3) below.
(3)Regulations shall make provision—
(a)as to the time when, and the manner in which, the calorific value of gas supplied by a public gas supplier is to be declared, and is to be brought to the notice of consumers;
(b)as to the time when any such declaration is to take effect; and
(c)for the adjustment of charges for gas in cases where an alteration of declared calorific value occurs in the course of a period for which such charges are made.
Modifications etc. (not altering text)
C1S. 12 amended (1.4.1992) (temp. until 1.1.2000) by S.I. 1992/450, reg. 3(4)(a)
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