HC Deb 20 May 1991 vol 191 c367W
Mr. Tom Clarke

To ask the Secretary of State for Scotland what has been the average increase in Scottish electricity prices in each of the last five years.

Mr. Allan Stewart

The average tariff increases announced by the two Scottish electricity companies and their predecessors in each of the last five years are shown in the table.

Average electricity tariff increase (per cent.)
11987 1988 1989 1990 1991
Scottish Power 3.30 4.75 8.00 8.50 9.00
Scottish Hydro-Electric 3.00 4.70 8.00 8.50 9.00
1 In 1987, the date of implementation was 1 September; in the subsequent years the increases were implemented with effect from 1 April in the relevant year.