New EU Data Center Label: Why US Investors Should Look Into Renewables
September 28, 2026
On September 21, 2026, the European Commission adopted a new regulation creating an EU-wide rating system for data centers. Starting August 15, 2027, every large data center in the EU will receive a public label, similar to the energy labels on household appliances, showing how efficiently it uses energy and water and where its electricity comes from.
The regulation (C(2026) 3472) has to go through a final review by the European Parliament and the Council, and it’s expected to take effect in the coming months.
For American investors looking at investment in Europe’s data center market, the takeaway is straightforward. You need to plan for renewable energy.
Why Europe cares
The AI boom runs on data centers, and data centers run on electricity and water. The Commission indicated that EU data centers used about 68 TWh of electricity in 2024, and expects that to reach 114 TWh by 2030. In some countries, the pressure is already visible. In Ireland, data centers now use almost a quarter of the country’s metered electricity, more than all urban homes combined.
Europe wants more data centers so it can compete on the global AI market. But in the EU, environmental sustainability isn’t a side issue. It’s built into how new industries are regulated. The EU is addressing the environmental footprint of AI from several directions at once: the AI Act asks developers of large AI models to document their energy use, energy efficiency rules cover the data centers themselves, and new proposals tie permitting to the availability of clean power. The message from Brussels is that data center growth is welcome, as long as it doesn’t overload the grid or drain local resources.
What the new label does
Since 2024, large EU data centers have had to report their energy and water use to an EU database, but the individual figures stayed confidential. The new label makes the key information public. Each facility gets a grade from A to G for energy efficiency (roughly, how much of its power goes to the computers themselves rather than to cooling and other overhead) and another for water use. The label also shows where the facility’s electricity comes from, and how much of it supports new clean energy projects rather than existing ones.
Why renewable energy matters
The label doesn’t require data centers to use renewable energy. But it puts their energy sources on public display, right next to the grade, where customers, investors, and public buyers will see them. It also separates real commitments from easy ones. A long-term contract to buy power from a new wind or solar plant counts in the facility’s favor. Buying certificates from an old hydroelectric plant in another country still counts as renewable, but the label will show that it isn’t adding any new clean energy.
And this is only the first step. On the same day, the Commission opened a public consultation on minimum performance standards for data centers, with a proposal expected in 2027. A separate proposal, the Cloud and AI Development Act, would fast-track data center permits in areas with enough grid capacity and clean energy. From September 27, 2026, new EU consumer rules also bar companies from calling a product or service “climate neutral” based on carbon offsets. Local opposition to new data centers is growing too, and a project that brings its own clean power has a much easier story to tell.
What this means for US investors
The US remains the world's largest and most dynamic data center market, and federal policy is focused on building capacity quickly. But speed at the federal level has not removed friction at the local level. Many of the decisions that determine whether a project gets built are made by counties and townships, and they are increasingly being fought out in court.
The best-known example is the Digital Gateway in Prince William County, Virginia, planned as a cluster of 37 data centers on some 2,000 acres. Opponents took it to court. After the county approved the rezonings in December 2023, residents and a preservation group sued in early 2024.[1] In August 2025, the circuit court declared the rezonings void because the county had not complied with public notice requirements, and in March 2026, the Court of Appeals of Virginia unanimously affirmed.[2] The county and one developer then dropped out, and in July 2026, the last remaining developer withdrew its appeal to the Supreme Court of Virginia and terminated the project.[3] It is not an isolated case. Neighbors and other plaintiffs are suing regulators, developers, and operators under nuisance, negligence, and environmental laws, although most of these cases are still at an early stage.[4] Challenges to local approvals continue to be filed. For example, residents and a nonprofit went to court on September 17, 2026, to contest a Georgia city's rezoning for a data center campus.[5] Even when developers win, the time lost to litigation affects financing, construction schedules, and returns.
Europe is not free of local opposition. But the new EU framework sets the sustainability criteria in advance, across all 27 Member States, and applies them through a single database using data that operators already report. An investor can know before choosing a site how a project will be graded and what it has to show. The Cloud and AI Development Act, still under negotiation, would go further by offering faster permitting to projects that meet efficiency and clean energy requirements. For investors, that means the criteria are known before the project starts, rather than decided afterward in a courtroom.
That predictability depends on planning. For a new project, it means choosing a site with access to clean power and signing long-term renewable or other low-carbon energy contracts early. For an acquisition, it means asking how the facility gets its electricity, and what its label is likely to show, before agreeing on a price. In both cases, clean energy should be part of the investment plan from day one. That is also what gives a project its strongest answer to local objections, before they reach a court.
Disclaimer: This publication is provided for general informational purposes only and does not constitute legal advice. Reading or relying on this material does not create an attorney–client relationship.
[1] Oak Valley Homeowners Ass'n, Inc. v. Bd. of Cnty. Supervisors of Prince William Cnty., No. CL24-375 (Va. Cir. Ct. Prince William Cnty.); Burke v. Bd. of Cnty. Supervisors of Prince William Cnty., No. CL24-334 (Va. Cir. Ct. Prince William Cnty.) (the American Battlefield Trust case; demurrers sustained Oct. 31, 2024).
[2] Bd. of Cnty. Supervisors of Prince William Cnty. v. Oak Valley Homeowners Ass'n, Inc., 87 Va. App. 201, 927 S.E.2d 157 (2026) (consolidating the appeals of the Board, Record No. 1590-25-4, and of the developer defendants, Record Nos. 1584-25-4 and 1592-25-4, from No. CL24-375, with the Burke plaintiffs’ appeal from No. CL24-334, Record No. 2025-24-4; affirming in the former and reversing and entering final judgment in the latter).
[3] Potomac Local, QTS Withdraws Supreme Court Appeal, Ending Proposed Digital Gateway Data Center Project (July 3, 2026), https://www.potomaclocal.com/2026/07/03/qts-withdraws-supreme-court-appeal-ending-proposed-digital-gateway-data-center-project/. See also Potomac Local, Compass Drops Appeal on Digital Gateway (Apr. 29, 2026), https://www.potomaclocal.com/2026/04/29/compass-drops-appeal-on-digital-gateway/.
[4] WilmerHale, Data Centers in Court: The Emerging Wave of Nuisance, Environmental, and Land-Use Litigation (July 13, 2026), https://www.wilmerhale.com/en/insights/client-alerts/20260713-data-centers-in-court-the-emerging-wave-of-nuisance-environmental-and-land-use-litigation.
[5] Coastal Communities United, et al. v. City of Statesboro & 4 AM Development LLC (Ga. Super. Ct. Bulloch Cnty., petition filed Sept. 17, 2026). See WTOC, Group sues Statesboro over data center rezoning (Sept. 22, 2026), https://www.wtoc.com/2026/09/22/group-sues-statesboro-over-data-center-rezoning/.