Supply redetermination eventN.I.
24.—(1) For the purposes of this regulation there is a “supply redetermination event” in relation to a billing period under a supply contract where, after the supplier has issued an invoice or statement of account in respect of that billing period—
(a)the supplier is notified under regulation 21 by the customer of an ETII proportion or QHS proportion or a change in an ETII proportion or QHS proportion, for the corresponding benefit calculation period, which was not taken into account in determining the charges under that invoice of statement of account, or
(b)revised proportions apply in respect of energy supplied under the contract in accordance with regulation 23(6)(b) or (7)(b).
(2) Where a supply redetermination event occurs, the supplier must—
(a)if it is not already doing so, comply with regulation 23(1);
(b)determine or (on the basis of such event) redetermine the quantities of energy supplied in the billing period under each deemed supply contract;
(c)determine or redetermine the charges for energy supplied in the billing period under each deemed supply contract accordingly;
(d)credit or debit the customer for the charges so determined or redetermined (whether by a new or revised invoice or statement of account for the billing period or a credit or debit in the invoice or statement of account for a later billing period);
(e)provide to the customer a statement showing, in respect of each deemed supply contract, the amount of the charges for the billing period determined or redetermined under paragraph (c).
(3) The supplier must comply with paragraph (2)—
(a)if the supply redetermination event occurs on or after 1st April 2023 but before 1st July 2023, within the period of 30 days beginning with the date on which the supply redetermination event occurred (the “SRE date”);
(b)in the case of any later supply redetermination event—
(i)if the condition in paragraph (4) is satisfied, within the period of 30 days beginning with the SRE date;
(ii)otherwise, within the period of 90 days beginning with the SRE date.
(4) The condition is that the change in ETII proportion or QHS proportion, or the revision in the charges, under any of the deemed supply contracts, meets a test specified in Chapter 3 rules.
Commencement Information
I1Reg. 24 in force at 26.4.2023, see reg. 1(1)