These Regulations make a number of amendments to the Contracts for Difference (Electricity Supplier Obligations) Regulations 2014 (S.I. 2014/2014) (the “ESO Regulations”). These Regulations also set the rate for the operational costs levy in the ESO Regulations. These Regulations also amend the Contracts for Difference (Standard Terms) Regulations 2014 (S.I. 2014/2012) (the “Standard Terms Regulations”). These Regulations also provide a revised figure for the settlement costs levy under regulation 9 of the Electricity Capacity (Supplier Payment etc.) Regulations 2014 (S.I. 2014/3354) (the “Supplier Payment Regulations”).