20.—(1) In each scheme year, a compulsory scheme electricity supplier must incur spending under this Part to the amount of its non-core spending obligation.
(2) In doing so, the supplier—
(a)must include spending under Chapter 3 (industry initiatives), subject to the requirements and limits in paragraphs (3) to (5);
(b)may include spending under Chapter 4 (activities specified by the Secretary of State).
(3) Where the aggregate non-core spending obligation for the scheme year exceeds £10 million, the amount of spending on financial assistance under regulation 21 which a supplier counts towards its non-core spending obligation—
(a)must be no less than the obligation percentage of £5 million, but
(b)must not, in total, exceed the obligation percentage of £10 million.
(4) Where the aggregate non-core spending obligation for the scheme year exceeds £6 million, the amount of spending on debt write-off under regulation 21 which a supplier counts towards its non-core spending obligation—
(a)must not exceed the obligation percentage of £3 million in respect of customers who are supplied with neither electricity or gas through a pre-payment meter;
(b)must not, in total, exceed the obligation percentage of £6 million.
(5) Where the aggregate non-core spending obligation for the scheme year exceeds £8 million, the amount of spending on the installation of boilers or central heating systems under regulation 21 which a supplier counts towards its non-core spending obligation must not in total exceed the obligation percentage of £8 million.
(6) In this regulation—
“financial assistance” means the activity listed in the final entry in the table in Part 1 of Schedule 2;
“obligation percentage”, in relation to a supplier, means the percentage determined in accordance with paragraph (3) of regulation 17.