The Parliamentary Under-Secretary of State, Ministry of Housing, Communities and Local Government (Baroness Taylor of Stevenage) (Lab)

My Lords, I thank the noble Earl for his amendments on AI infrastructure and community energy projects. He is absolutely right to highlight the issue of the water and power required by data centres. Before I respond, I should say that we need to be very proud of our AI in this country. We have the third largest AI market in the world. The AI sector was valued at £72 billion in 2024 and is projected to be worth over £800 billion by 2035. Over £44 billion of investment has been announced for data centres in the UK since July 2024, which is a very good record, but of course the noble Earl raises some very important issues that run alongside this. Turning first to Amendment 185N, noble Lords will be aware that we had an in-depth discussion in Committee last week on overheating and climate change, and I appreciate the intent behind this amendment of considering this matter in the context of emerging AI technologies. During my time as a Minister—and until last week I had responsibility for AI in my department; it has moved on now—I had the chance to see some of the real opportunities that AI presents. It has the potential to transform our public services, secure growth and raise living standards, and not least to support our colleagues in planning in order to help them move things on much more quickly. It is this Government’s ambition to harness it for the good of our country, which is why we are actively monitoring the data centre sector and published the first government Estimate of Data Centre Capacity in May 2025, which includes measures indicating energy use. Some data centre applications will have the option of being consented through the nationally significant infrastructure project regime. Officials from the Department for Science, Innovation and Technology are in the process of developing a national policy statement to guide this process, which will also be treated, importantly, as a materially significant consideration in the local authority-led planning process. This statement will include an assessment of the sustainability of the sector, and we are aiming for publication in 2026. The Government have also, as the noble Earl mentioned, established the AI Energy Council, co-chaired by the Secretaries of State for DSIT and DESNZ, to provide expert insight into the energy needs of AI and the role of AI in an efficient and sustainable energy system. To do this, the council has established a sustainability working group which will explore options to accelerate the development of low-carbon energy solutions to power AI, tools to reduce carbon emissions from AI, and metrics to support energy efficiency. Amendment 185P is focused on the water use of AI infrastructure. The Government are committed to reducing the use of public water supply by 20% by 2037-38, with a 9% interim target for non-household reduction by 31 March 2038. As part of this commitment, Defra is working with the Department for Science, Innovation and Technology, the Department for Business and Trade and the Environment Agency to determine how water efficiency and demand in data centres can be improved. Data centres use a variety of cooling systems, with only a small proportion using entirely water-based ones. Water-cooled data centres can use water very intensively, as has already been highlighted, particularly at times of peak demand, such as hotter periods. In summer 2025, the Environment Agency conducted a survey with the data centre sector, through techUK, the trade association for data centres, to gain a better understanding of current water needs. As set out, the Government are developing a national policy statement to guide data centre planning applications, and the water efficiency of data centres will form part of this assessment, including options for water reuse and non-potable water systems. The noble Baroness, Lady Coffey, asked me about the use of agricultural land for data centres. The MPPF is, and the future land use framework will be, very clear that grade 1, 2 and 3 agricultural land should be protected and used only where there is no alternative. That is already set out in planning policy. Amendment 185R, in the name of the noble Earl, Lord Russell, would require planning authorities to consider and support the inclusion of community energy projects in new developments. I agree with the noble Earl that renewable energy generation in households—we have already had a discussion on this—is a vital approach to help cut bills for families, boost our national energy security and deliver the clean energy mission. On the practicalities of increasing renewable energy generation in new developments, I am pleased to say that my department is working very closely with DESNZ on the future homes standard. The future homes standard will include renewable electricity generation on the majority of new homes through routes like rooftop solar. I therefore consider this amendment to be unnecessary.