Summary Under the proposed Cloud and AI Development Act (CADA), designing a data centre for waste-heat reuse is no longer a voluntary sustainability choice but a structural prerequisite for accessing accelerated deployment pathways. The proposal mandates that Member States consider "the available and future facilities that can reuse data centre waste heat" when designating data centre acceleration zones, as explicitly required by Article 10(1)(e). Consequently, site selection must be driven by the availability of thermal sinks, such as district heating networks or industrial consumers. Once a project is sited within such a zone, the administrative burden is significantly reduced: the designated single information point is legally tasked with coordinating authorisations specifically regarding "heat utilisation and recovery," per Article 12(2)(c). To comply, operators must align their thermal output with local infrastructure early in the planning phase and ensure their sustainability metrics adhere to the key performance indicators defined in Delegated Regulation (EU) 2024/1364, which CADA references for acceleration zones.

Detail

The proposed Cloud and AI Development Act (CADA), COM(2026) 502 final, represents a paradigm shift in how the EU regulates data centre infrastructure. It moves beyond viewing data centres as isolated IT assets to treating them as integrated components of the broader energy and urban ecosystem. For Chief Technology Officers (CTOs), architects, and project developers, the core implication is that waste-heat reuse is a critical factor in the regulatory viability of a project. The proposal establishes "data centre acceleration zones" where permitting is fast-tracked, but these zones are conditional on strict sustainability and infrastructure integration criteria.

The Regulatory Framework: Acceleration Zones and Heat Reuse

The cornerstone of CADA's approach to data centre deployment is the designation of acceleration zones by Member States. Under Article 10(1), where data centre capacity is being deployed, Member States must designate at least one data centre acceleration zone within their territory. However, the selection of these zones is not arbitrary; it is governed by a specific set of criteria designed to ensure balanced, sustainable, and efficient deployment.

Crucially, Article 10(1)(e) mandates that Member States consider "the available and future facilities that can reuse data centre waste heat" when designating these zones. This provision fundamentally alters the site selection process for data centre operators. It is no longer sufficient to choose a location based solely on power availability, latency, or land cost. The regulatory framework requires that the thermal output of the proposed data centre can be absorbed by existing or planned local infrastructure.

This means that a viable site for a data centre under CADA must have a demonstrable "thermal sink." This could manifest as:

  • Connection to a municipal district heating network.
  • Supply of low-grade heat to nearby agricultural facilities (e.g., greenhouses).
  • Integration with industrial processes that require thermal energy.

If a potential zone lacks such facilities, it may not qualify for designation as an acceleration zone, or the project within it may face significant delays until such infrastructure is planned or built. The regulation effectively incentivizes operators to co-locate with heat consumers or to invest in the necessary infrastructure to create a thermal market.

Streamlining Permits: The Role of the Single Information Point

Navigating the permitting process for heat reuse typically involves complex coordination with multiple stakeholders, including urban planners, energy regulators, environmental agencies, and district heating operators. CADA addresses this fragmentation through the introduction of single information points.

Article 12 mandates that Member States designate one or more single information points to assist data centre operators throughout the entire lifecycle of a data centre project in an acceleration zone. These points serve as a central hub for administrative support, coordination, and information sharing.

Specifically, Article 12(2)(c) explicitly states that the role of the single information point includes coordinating, facilitating, monitoring, and sharing information on procedures relating to "authorisations regarding water abstraction, wastewater discharge, and heat utilisation and recovery."

This is a significant administrative relief for operators. Instead of managing separate, siloed applications for heat reuse permits across different departments, the operator engages with a single entity that coordinates the necessary approvals. This centralisation is designed to support the broader goal of CADA to reduce the permit-granting procedure for data centre projects in acceleration zones to a maximum of 12 months, as outlined in Article 13(5). By handling heat utilisation and recovery authorisations, the single information point ensures that the thermal aspect of the design is not a bottleneck in the accelerated timeline.

Sustainability Metrics and Performance Indicators

Designing for waste-heat reuse is not merely about establishing a physical connection; it is about meeting rigorous, quantifiable sustainability standards. Article 11(1) requires Member States to set sustainability requirements for data centres deployed in acceleration zones using the key performance indicators (KPIs) specified in Commission Delegated Regulation (EU) 2024/1364.

While CADA itself does not enumerate the specific numerical targets for heat reuse, it legally binds the acceleration zones to the metrics established in the delegated regulation. This means that a data centre's cooling systems must be designed not just for energy efficiency (low Power Usage Effectiveness, or PUE), but specifically for heat recovery viability.

For instance, traditional free-cooling technologies that reject heat directly into the atmosphere may be less favourable under CADA's framework compared to systems that capture and transfer this heat for reuse, even if the latter incurs a slightly higher energy cost. The latter approach contributes directly to the zone's overall sustainability profile and aligns with the "environmental sustainability, performance and security" goals outlined in Annex I (Grand Challenge 1) of the proposal. The design must demonstrate that the heat is not just "managed" but "reused" in a way that meets the KPIs for energy efficiency and resource efficiency.

Strategic Projects and Innovation

For larger or more innovative projects, CADA offers an additional pathway to designation as a "strategic project" under Article 14. One of the criteria for this designation is whether the project "includes highly sustainable or innovative features," including technologies developed under Title II of the regulation.

If a waste-heat reuse design incorporates novel thermal storage solutions, advanced heat pump technologies, or systems that significantly enhance grid stability or reduce carbon emissions, it could qualify for strategic status. This status can unlock additional support measures, such as access to Union funding or streamlined permitting beyond the standard acceleration zone rules, provided the project addresses a market failure or contributes to Union added value.

What this means for you

For CTOs, architects, and project developers, the practical takeaway is that waste-heat reuse must be embedded in the architectural blueprint from day one, not added as an afterthought. The regulatory framework of CADA makes thermal integration a primary constraint, equal in importance to power and connectivity.

  1. Adopt a "Thermal-First" Site Selection Strategy: Before evaluating power contracts or land leases, evaluate thermal sinks. Map potential sites against local district heating networks, industrial parks, or agricultural zones. Your feasibility study must include a detailed analysis of how your waste heat will be utilised, satisfying the requirements of Article 10(1)(e). If a site lacks a thermal sink, it may not be eligible for an acceleration zone.
  2. Engage the Single Information Point Early: Do not wait until you have a full permit application ready. Use the single information point, as mandated by Article 12, to pre-consult on heat utilisation authorisations. This allows you to identify potential bottlenecks in the heat recovery supply chain early and adjust your design accordingly. Remember that under Article 12(2)(c), this point is specifically responsible for coordinating heat utilisation and recovery permits.
  3. Design for Heat Recovery, Not Just Cooling: Traditional data centre design focuses on removing heat as quickly as possible. Under CADA, you must design systems that capture and transfer this heat. This may require investing in higher-temperature cooling systems, thermal storage buffers, or heat pumps to match the variable demand of heat consumers. Your design must align with the KPIs in Delegated Regulation (EU) 2024/1364.
  4. Monitor Regulatory Updates: The specific key performance indicators for sustainability are set out in Delegated Regulation (EU) 2024/1364. Ensure your design team is monitoring these metrics, as they will form the basis of compliance checks in acceleration zones. The proposal references these KPIs in Article 11 as the standard for sustainability requirements.

For SMEs, the streamlined permitting process via the single information point is a significant advantage. It reduces the need for large legal and administrative teams to navigate complex municipal regulations, allowing you to focus on technical implementation.

Common misconceptions

Misconception 1: Waste-heat reuse is optional for acceleration zones. Many assume that as long as a data centre is energy-efficient, it qualifies for an acceleration zone. However, Article 10(1)(e) explicitly requires Member States to consider the availability of facilities for waste-heat reuse when designating these zones. While the regulation does not explicitly ban zones without heat reuse, the emphasis on sustainability in Article 11 and the strategic nature of the zones make heat reuse a de facto requirement for competitive advantage and likely for zone eligibility in many Member States. A zone without heat reuse facilities may simply not be designated as an acceleration zone.

Misconception 2: The single information point handles all permits automatically. The single information point (under Article 12) coordinates and facilitates procedures, but it does not replace the need for specific authorisations. It manages the process for heat utilisation and recovery (Article 12(2)(c)), but you still need to comply with the substantive technical and legal requirements of those authorisations. It is a facilitator and a coordinator, not a rubber stamp that bypasses safety or environmental standards.

Misconception 3: Any heat reuse technology qualifies. Not all heat reuse is created equal. The sustainability requirements under Article 11 rely on specific key performance indicators defined in Delegated Regulation (EU) 2024/1364. Simple heat rejection may not meet the sustainability criteria. Your design must demonstrate genuine energy recovery and contribution to local energy systems, potentially involving advanced technologies like heat pumps or thermal storage, to fully leverage the benefits of the acceleration zone and the 12-month permitting timeline.

Related

This is general information about a draft EU regulation, not legal advice.