HC Deb 09 April 1968 vol 762 c208W
Mr. Awdry

asked the Minister of Power if he will give the average cost per mile of 400 kilovolts, 275 kilovolts, 132 kilovolts, 66 kilovolts and 33 kilovolts electricity transmission by overhead line and by underground line respectively.

Mr. Freeson

The average costs per mile of overhead lines and underground cables are as set out in the table below: