These Regulations amend the Electricity (Standards of Performance) Regulations 2015 (S.I. 2015/699) (“the Principal Regulations”), which prescribe the sums that electricity suppliers and distributors must pay to a customer by way of compensation for failure to meet specified standards of performance in respect of the services to be provided by such suppliers or distributors, subject to certain exemptions. The provisions of the Principal Regulations amended by these Regulations relate to electricity distributors.