http://www.legislation.gov.uk/ukpga/2000/27/section/64/enactedUtilities Act 2000Health and safety requirementsElectricity supplyKing's Printer of Acts of Parliament2021-08-03 Utilities Act 2000s. 33(1)(f)Smart Meters Act 2018s. 6(10)(a)s. 14(5) Part IV 64 After section 32A of the 1989 Act there is inserted— 32B 1 An order under section 32 may provide for the Authority to issue from time to time, in accordance with such criteria (if any) as are specified in the order, a certificate to the operator of a generating station or to an electricity supplier. 2 A certificate is to certify— a that the generating station or, in the case of a certificate issued to an electricity supplier, a generating station specified in the certificate, has generated from renewable sources the amount of electricity stated in the certificate; and b that it has been supplied to customers in Great Britain (or the part of Great Britain stated in the certificate). 3 If an electricity supplier produces a certificate to the Authority, it is to count for the purposes of section 32(3) as sufficient evidence of the facts certified.