Energy Bill [HL]

Debate between Lord Lea of Crondall and Lord Bishop of Chester

Tuesday 8th February 2011 Grand Committee

[The Lord Bishop of Chester]

My Lords, in principle we are surely all in favour of this technology playing a part in our energy policy. It is simply practicalities that I want to ask the noble Lords, Lord Teverson or Lord Oxburgh, or the Minister about. First, we have been told by the Minister that the Government will not favour subsidies for developed technologies, but for developing technologies, such as offshore wind. We are told by the noble Lord, Lord Teverson, that this is a well developed technology. Does his proposal require some structural subsidy in the regulations he anticipates? It would be helpful to the Committee to know what financial arrangements are envisaged because there is no point in going into all this work if it is never to going to happen.

Secondly, does the success of geothermal depend on some combination of electricity generation and community heating systems? Do you need to have both? If so, there has to be a big enough community near to the geothermal unit for that to be possible. I understand that Cornwall is geologically the best area in this country in which to exploit this technology, not the north-east.

Thirdly, I understand that once a well has been drilled, the heat is gradually depleted in that locality under the surface. A typical geothermal station might operate for 20 or 25 years, which is a decent length of time for some purposes, but not if you are designing a heating system for a substantial urban area. Those are some practical questions on which either the mover of the amendment or, in due course, the Minister might want to comment.

[Lord Lea of Crondall]

I support one of the points made by the right reverend Prelate. I am sure that the principle underlining this Bill, and other Bills, is not that we have a totally random system of subsidies but that we have a consistent system of subsidies, a point to which the Minister will perhaps respond when I move my amendment a little later. Nothing would be more fatal than for people to think that any fool can get energy from any place they like and receive unlimited subsidy to do so. As I understand it, that is not part of the principle of a Bill, but it deals with how this consistent pattern of subsidies, or a consistent pattern of carbon taxes, for that matter—that is the reverse side of the coin—will operate, so that it is transparent to all. I am sure that the noble Lord, Lord Teverson, would agree with that principle. It would mean that we would not have the anxieties that have been revealed.

I am all in favour of geothermal, by the way; in fact I spent much of last summer in Iceland and Greenland, where one can see boiling water coming out of the earth all over the place; it is a good form of cheap energy. However, we have to look at the competing forms of energy with some consistent system of units, whether a price per kilowatt hour delivered or whatever. I am sure that this is capable of being embraced within the spirit of the amendment.