I have no more time than the right hon. Lady for over-charging vulnerable customers. I, too, look forward to an informed and sensible response to the report she mentioned. I do not think, however, that it is very relevant to the levy and the tax change that we are debating here today. The issue before us is whether this change to the levy will make it more difficult to keep the lights on and more difficult to deliver cheaper energy. I do not think it does, but the Government need to respond to the other crucial issues posed by my hon. Friends the Members for Selby and Ainsty and for Brigg and Goole.
Given that the margins are now extremely tight—in view of the huge reduction in traditional capacity that we have experienced, some people are pessimistic about the next two or three winters—can the Government do more, and do it cheaply and sensibly, at the same time as making the levy change? That should ensure that the great power stations we still have available can be either kept in the system and running to provide more power—preferably base load power, but it may have to be variable power, given how the thing is now run—or at least be kept available on standby. We may have to pay a price for that as part of that guarantee of supply. The three power stations we have heard about from colleagues this evening are part of the possible answer. We need to know that there is a future for traditional stations and that they can be priced into the system while we are in this period of transition, trying to work out what a modern electricity generation system will look like in five or 10 years’ time.