(1) For the purposes of section 17A(1)(b) of the 2022 Act, the average price of gas in pounds sterling per therm over a reference period is to be calculated using the following steps—
Step 1
Calculate the average price of gas for each ICIS publishing day in the reference period using the formula—
where—
“ C ” is the sum of the ICIS gas price for each ICIS publishing day in the reference period, and
“D” is the number of ICIS publishing days in the reference period.
Step 2
Divide the result from Step 1 by 100 to convert the unit price from pence to pounds.
Step 3
Round the result from Step 2 to two decimal places on an arithmetical basis.
(2) In this regulation—
“ ICIS ” means the Independent Commodity Intelligence Services, a business division of RELX Group plc (company number 00077536);
“ ICIS gas price ” means the daily price for gas in GB pence per therm published by ICIS in the series described as “National Balancing Point (NBP) Price Assessment Day-Ahead Bid/Offer Range Daily (Bid): GBp/th” ; and
“ ICIS publishing day ” means any day on which ICIS publishes the ICIS gas price.