# The Electricity Supply Industry (Rateable Values) Order 1989, Article 15: Electricity distribution hereditaments


In relation to each class of hereditament mentioned in division C of Part I or division C of Part II of the Schedule, the recalculation factor in respect of any relevant year shall be the figure produced by calculating in accordance with the formula—
Tv-VV where
T is the amount specified in relation to that class in column 1 of the Schedule;
v is the estimated installed transformer capacity (measured in kilovolt-amperes) of all the electricity transformation plant occupied by the relevant designated person on 31st March in the relevant preceding year; and
V is the estimated installed transformer capacity (measured in kilovolt-amperes) of such plant on 31st March 1990.

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Source: https://www.legislation.gov.uk/uksi/1989/2475/article/15 (the official version)
Page: https://openlegislation.uk/electricity-supply-industry-rateable-values-order-1989/article-15
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.