# The Electricity Supplier Obligations (Amendment & Excluded Electricity) Regulations 2015, Regulation 16: Amendment of the ESO Regulations (Regulation 4)


(1) Regulation 4 of the ESO Regulations is amended as follows.
(2) In paragraph (1)—
(a) for the formula substitute—
“”
(GP−CP)×[ SDS−( XE+GE ) TDS−( TE+GT ) ]
(b) after the definition of SDS insert—
“XE is the amount of EII excluded electricity supplied by that supplier on that day;
GE is the amount of green excluded electricity supplied by that supplier in that quarterly obligation period divided by the number of days in that period;”
(c) after the definition of TDS insert—
“TE is the total amount of EII excluded electricity supplied by all suppliers on that day;
GT is the total amount of green excluded electricity supplied by all suppliers in that quarterly obligation period divided by the number of days in that period.”.

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Source: https://www.legislation.gov.uk/ukdsi/2015/9780111127346/regulation/16 (the official version)
Page: https://openlegislation.uk/draft-electricity-supplier-obligations-amendment-excluded-electricity-regulations-2015/regulation-16
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.