Energy Bill [HL]

Debate between Lord Whitty and Lord Ravensdale

Report stage
Monday 17th April 2023 Lords Chamber

[Lord Whitty (Lab)]

My Lords, I have a small amendment in this group—Amendment 68—which deals with electricity storage. This very comprehensive Bill looks a bit different from the one that we first saw, and I am not absolutely confident that I have inwardly absorbed the implication of every government amendment that we have had in the last few months. But I am pretty sure that one dimension of investment in the system that has not been fully spelled out is that of electricity storage.

We have obviously dealt with it as a way of subsidising and encouraging investment in generation and there are big changes which are welcome, by and large, in relation to carbon capture and storage, and slightly more controversial in relation to hydrogen. But one of the key things about the new system—which will be much more decentralised than previously and dependent on different forms of generated electricity—is that we need some real investment in electricity storage. We need it partly because those who have always opposed some renewables stress that they are variable and there is occasional intermittence. That will happen, but investment in pipes, pylons and wires may not be sufficient to avoid some faults and breakdowns in the system.

We need to be able to call on electricity which is stored in some form to ensure that supplies are continuous. I am not sure why this has not appeared in the strategy. It needs to be somewhere. I attended part of a seminar over at the Institution of Mechanical Engineers a few weeks ago which explained the different technologies that exist for electricity storage. There are obviously some old-fashioned ones such as hydroelectric power, where you keep the water back, but there are many new technologies that could be developed for a significant investment in electricity storage. The common assumption is that it will be batteries in some form or another, but batteries in themselves raise considerable problems. In particular, a significant installation would involve problems of maintenance and of the critical materials needed for large-scale battery storage.

There is the possibility of storage in hydrogen—and that may raise other problems with hydrogen—and there is storage in ammonia and storage in compressed air. Any of these technologies need to be pursued, but we do need some system of storage. The least I would hope for from the Minister today is an acceptance that part of the strategy will be to ensure that we have cutting-edge technology in electricity storage, and an indication of how that will be financed, what the government incentives are and what the regulatory structure will be. If the Government can give me that general assurance, I will be happy.

[Lord Ravensdale (CB)]

My Lords, I declare my interest as a project director and engineer working for Atkins in the nuclear industry. I also chair the cross-party group Legislators for Nuclear.

In Committee, my previous amendments in this area—they were originally put forward by the noble Baroness, Lady Neville-Rolfe, before she joined the Front Bench—aimed to define nuclear as taxonomy-aligned within the UK’s green taxonomy. Naturally, I was delighted to see the Government commit to this in the Spring Budget, pending a consultation,. I shall speak briefly to my resulting Amendment 137.

Following the green taxonomy announcement and progress on the renewable transport fuel obligation, there remains one glaring aberration in the treatment of nuclear in the Government’s financing frameworks: the current exclusion of nuclear from the UK green financing framework, which describes how the UK Government plan to finance expenditures through the issuance of green gilts and the retail green savings bonds. Now that nuclear is due to be specified as taxonomy-aligned, I am sure that the Minister would agree, for consistency if nothing else, that it should also now be eligible under the green financing framework. This would have many benefits in ensuring the availability of vital extra funding for nuclear projects to enable the decarbonisation of our energy system.

I would be grateful if, in summing up, the Minister could state when the Government intend to address this issue.