# The Nuclear Regulated Asset Base Model (Revenue Collection) Regulations 2023, Regulation 24: Repayment of excess


(1) The revenue collection counterparty must determine, as soon as reasonably practicable after the conclusion of an operational cost period, whether the amounts received under regulation 23(1) in respect of that period and received by virtue of regulation 23(6) during that period are greater than the costs which it incurred in respect of the relevant period in relation to that operational cost period.
(2) Where the revenue collection counterparty determines that those amounts are greater than those costs it must pay the difference to electricity suppliers as soon as reasonably practicable after making that determination.
(3) Where the revenue collection counterparty must make a payment under paragraph (2), the amount which the revenue collection counterparty must pay to an electricity supplier in respect of an operational cost period is the amount given by—
where—
RA is the sum of—
(a) any amounts received by the revenue collection counterparty under regulation 23(1) in respect of that period,
(b) any amounts received by the revenue collection counterparty by virtue of regulation 23(6) during that period, and
(c) any amounts which were paid to the revenue collection counterparty during the relevant period for the purpose of compensating it for any costs incurred by it in respect of a breach of any duty or obligation owed to it (whether or not under these Regulations);
CO is the costs the revenue collection counterparty determines it has incurred in respect of the relevant period;
SE is the amount of electricity supplied by the supplier in that period;
EX is the amount of EII excluded electricity supplied by that supplier in that period;
ST is the total amount of electricity supplied by all suppliers in that period; and
XT is the total amount of EII excluded electricity supplied by all suppliers in that period.
(4) For the purposes of paragraph (3) the amount of electricity supplied by a supplier in an operational cost period is the amount of electricity which the BSCCo determines, on the basis of Initial Volume Allocation Runs, as the amount of electricity that supplier supplied in that period.
(5) In this regulation—
(a) “costs” means any costs incurred by the revenue collection counterparty in connection with the performance by it of any function conferred on it by or by virtue of Part 2 of the Act; and
(b) “relevant period” in relation to an operational cost period means—
(i) in relation to the first operational cost period, the period beginning with the coming into force of these Regulations and ending with the day the first operational cost period ends; or
(ii) in relation to any other operational cost period, that operational cost period.

---
Source: https://www.legislation.gov.uk/ukdsi/2023/9780348242676/regulation/24 (the official version)
Page: https://openlegislation.uk/draft-nuclear-regulated-asset-base-model-revenue-collection-regulations-2023/regulation-24
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.