# The Electricity and Gas (Energy Company Obligation) Order 2012, Article 11: Determining supply


(1) For the purposes of articles 9 and 10, 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 7 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 7 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—
( A−B )×2 where—
“A” is the amount of electricity or gas notified by the supplier or group for the relevant notification period;
“B” is—
(a) in the case of an electricity supplier, 400 gigawatt hours; or
(b) in the case of a gas supplier, 2000 gigawatt hours.

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Source: https://www.legislation.gov.uk/ukdsi/2012/9780111525456/article/11 (the official version)
Page: https://openlegislation.uk/draft-electricity-and-gas-energy-company-obligation-order-2012/article-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.