asked the Secretary of State for Energy what is his estimate of the cost in interest rates incurred by the Central Electricity Generating Board because of the delays in the advanced gas-cooled reactor programme; and if he will give his estimate in each year since the programme got under way.

The information is in preparation and will be given as soon as possible.

asked the Secretary of State for Energy whether the Government have approved the system based on the American-designed pressure water reactor for incorporation in the proposed developments at Portskewitt currently under consideration.

asked the Secretary of State for Energy whether he has approved any proposal by the Central Electricity Generating Board to order a second coal-fired Drax B; and, if so, where it is proposing to site it.

My right hon. Friend has given no approval for any power station beyond Drax B.