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Getty Images / Activists protested against data centres in their local area outside the Scottish Parliament earlier this month Scotland has a new boom industry, at least if planning applications are taken at face value. The term "hyperscale data centre", rarely heard a few years ago, is now dividing opinion across the country as a rush of applications are made to build them. A debate at Holyrood later, led by the Scottish Greens, will call for planning applications to be put on hold until promised new national guidelines are in force, with an emphasis on energy demand and the environment. Ahead of the debate, ministers announced that all new applications for AI data centres will have to undergo an environmental impact assessment. The growth of AI is happening at lightning pace, so what are the advantages and disadvantages of Scotland being at the forefront? A good use of Scotland's wind energy? DataVita / There are about a dozen plans for data centres in Scotland's central belt alone - including this design for a site in North Lanarkshire by the company DataVita The single biggest reason why developers are interested in Scotland is because it allows them to say that their energy-hungry facility is being powered by green electricity. Scotland has an abundance of wind and much of the energy from it is currently wasted because the transmission infrastructure isn't large enough to carry it from where it is generated to the consumers. There are two ways of fixing that. Installing more, bigger pylons to ship the electricity to England, where the bulk of the UK's population is, or bring the largest consumers of that electricity closer to the generators. In fact, what's happening is both. Research by BBC Scotland News has identified, as of 24 June, at least 23 projects which are in the planning process, though most experts believe many of those are speculative applications and will never be built. Shortly before the debate in parliament, the government ordered that environmental impact assessments be submitted during planning applications for all new data centres with a power capacity exceeding 50 megawatts. It said that proposed developments under that threshold would still have to be considered under established environmental regulations on a case-by-case basis. The update follow an order last month requiring planning authorities to notify ministers of all new data centre applications within a week of validation. Public Finance Minister Hannah Mary Goodlad said that the requirement for environmental impact assessments would "create a level playing field for developers" while helping to protect the environment. But the Greens described the move as "the bare minimum of what is needed", arguing a moratorium was required until a national strategy and guidance was in place for councils. For people living in communities where potential sites have been identified, fears remain about the faceless, warehouse-like buildings housing the servers can cover a massive footprint. Jamie Prentice is worried about the potential impact of data centres At Blackdog in Aberdeenshire, local resident Jamie Prentice spoke to me about the development planned for there which would stretch across several fields. His house looks out to the Aberdeen Bay wind farm and the sea beyond. But he says that if it's built there he'll effectively be living on an industrial estate. Local people have begun to mobilise their opposition to it through social media, but Jamie clearly feels it will ruin the area. He asks me whether I think the Blackdog project will ever happen and I have genuinely no idea. It is likely the site has been chosen because of its proximity to the offshore wind farm which could give the developer some "green" kudos. Could data centres push up energy bills? Scotland may have plenty of renewable power generation but experts have warned that does not necessarily mean data centres would run exclusively on renewable power. During periods of low wind or when clouds are blocking the sun, it may mean having to fire up fossil fuel power stations to provide the energy required to keep the servers blinking. Dr Callum MacIver warned MSPs this week that the additional demand could make climate change targets difficult to achieve because of the additional reliance on gas. A mechanism that requires data centre developers to match their projects, with new green generation capacity being commissioned, would be a neat way of mitigating the risks but that requires government or regulatory intervention. Political leaders across the globe have so far seemed reluctant to intervene, despite warnings. There are concerns about the unintended consequences of building data centres which have been pushing up bills in Ireland and some parts of the US. Last year, Irish data centres consumed 23% of the country's electricity and the demand for energy has pushed up the price for consumers. The electricity system operator here says it is delinking the price of electricity from the high wholesale cost of gas, which should prevent a similar outcome. But analysts are not yet convinced that is going to be fully effective. How much water will they require? There has been much anger in recent years about how much water some of the larger data centres consume in trying to keep the equipment cool. Relatively speaking, Scotland has no shortage of water although recent summer heatwaves have resulted in the east of the country experiencing drought-like conditions. Technology, though, has improved rapidly in this area and more modern facilities use a closed loop of water, similar to that in domestic central heating systems. One of the reasons Scotland is favoured by developers is the relatively cool climate which means it generally requires less energy to bring down the temperature of that water. Currently the water consumed by existing data centres is relatively low. Colin Lindsay, a manager at a commercial subsidiary of Scottish Water, recently claimed the

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  • 发布时间：2026/9/16 19:40:39