Determining supply
10.—(1) For the purposes of articles 8 and 9, the amount of electricity or gas supplied by a supplier or group in the relevant notification period is—
(a)where the amount notified under article 6 for that period is more than a qualifying supply but less than the amount in sub-paragraph (b)(i) or (ii) (as the case may be), the amount determined using the formula in paragraph (2);
(b)where the amount notified under article 6 for that period is equal to or more than—
(i)800 gigawatt hours of electricity; or
(ii)4000 gigawatt hours of gas,
the notified amount.
(2) The formula referred to in paragraph (1)(a) is—
where—
“A” is the amount of electricity or gas notified by the supplier or group for the relevant notification period;
“B” is—
in the case of an electricity supplier, 400 gigawatt hours; or
in the case of a gas supplier, 2000 gigawatt hours.