Apportionment of aggregate amount of rateable values between Companies
6.—(1) The aggregate amount referred to in article 5(a) above is hereby apportioned as—
(a)£28,639,673 in respect of lands and heritages occupied by Scottish Power plc; and
(b)£14,433,286 in respect of lands and heritages occupied by Scottish Hydro-Electric plc.
(2) That part of the aggregate amount of the rateable values of the prescribed class of lands and heritages to be apportioned for each of the four financial years following the financial year 1995-96 in respect of the lands and heritages occupied by each Company shall be calculated in accordance with the formula—
where—
is the apportioned amount for that Company for the financial year immediately prior to the year for which the calculation is being carried out;
is the estimated installed transformer capacity (measured in kilovoltamperes) of all the electricity transformation plant in Scotland occupied by that Company on the day falling 1 year before the beginning of the financial year for which the calculation is being carried out; and
is the estimated installed transformer capacity (measured in kilovoltamperes) of all the electricity transformation plant in Scotland so occupied on the day falling 2 years before the beginning of that year.