# The Electricity Supplier Obligations (Amendment & Excluded Electricity) Regulations 2015, Regulation 17: Amendment of the ESO Regulations (Regulation 5)


(1) Regulation 5 of the ESO Regulations is amended as follows.
(2) For the formula substitute—
“”
[ N D S − ( N G S + D I ) ] × ( S Q S − X E P T Q S − A X P )
(3) After the definition of SQS insert—
“XEP is the amount of excluded electricity supplied by that supplier in that period;”;
(4) After the definition of TQS insert—
“AXP is the total amount of excluded electricity supplied by all suppliers in that period.”.

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Source: https://www.legislation.gov.uk/uksi/2015/721/regulation/17 (the official version)
Page: https://openlegislation.uk/electricity-supplier-obligations-amendment-excluded-electricity-regulations-2015/regulation-17
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.