How does a Member State designate a data centre acceleration zone under CADA?

Under the proposed Cloud and AI Development Act (CADA), Member States where data centre capacity is being deployed must designate at least one data centre

Summary Under the proposed Cloud and AI Development Act (CADA), Member States where data centre capacity is being deployed must designate at least one data centre acceleration zone within six months of the regulation's entry into force. As mandated by Article 10, this designation is not discretionary; it requires a rigorous assessment of eight specific aspects, including power grid capacity, network connectivity, waste-heat reuse potential, and a mandatory preference for brownfield sites. The process also obliges Member States to conduct comprehensive energy analyses and integrate findings into national grid planning to ensure the zones can support future AI workloads without causing infrastructure bottlenecks.

Detail

The proposed Cloud and AI Development Act (CADA), COM(2026) 502 final, represents a significant shift in the EU's approach to digital infrastructure. While previous legislation focused on market rules or cybersecurity, CADA introduces a proactive, supply-side framework to address the critical shortage of computing capacity in the Union. A cornerstone of this framework is the creation of data centre acceleration zones (hereinafter "acceleration zones"). These are specific geographical areas designated by Member States where the deployment of data centres is facilitated through streamlined permitting, coordinated infrastructure planning, and harmonised sustainability standards.

For public authorities, spatial planners, and energy regulators, the designation of these zones is a legally binding obligation with a strict timeline. The procedural and substantive requirements are detailed in Article 10 of the proposal, supported by related provisions in Article 11 (conditions within zones) and Article 13 (permitting).

The Six-Month Designation Deadline

The urgency of the EU's compute capacity gap is reflected in the timeline imposed by the proposal. Article 10(1) explicitly states that Member States must designate at least one acceleration zone within their territory by [six months after the date of entry into force].

It is vital to distinguish between entry into force and application. Article 48 of the proposal clarifies that the Regulation enters into force on the twentieth day following its publication in the Official Journal of the European Union. However, the Regulation applies only from one year after that date. The six-month designation deadline is triggered by the entry into force, not the application date. This means Member States have a very narrow window—effectively six months from publication plus 20 days—to complete their site selection, energy analysis, and legal designation before the broader obligations of the Act become applicable. This early deadline is designed to ensure that the regulatory and infrastructure groundwork is laid immediately, allowing projects to benefit from the streamlined permitting regime (Article 13) as soon as the Act becomes applicable.

Mandatory Aspects for Designation: The Article 10 Criteria

Member States cannot simply designate any available land as an acceleration zone. Article 10(1) enumerates eight specific aspects that must be considered during the designation process. These criteria ensure that zones are strategically located to maximise economic value, environmental sustainability, and technical feasibility.

Site Location and Dimensions: Authorities must assess the physical characteristics of the site, including its location, dimensions, and the minimum and maximum size of facilities that could be constructed. This ensures the zone is scalable and suitable for the large-scale infrastructure required by modern data centres.
Power Grid Capacity: Energy availability is the primary constraint for data centre deployment. Member States must evaluate the available and future power grid capacity. Crucially, this assessment must also consider the possibility and conditions for on-site storage and clean energy generation. Recital 38 reinforces this, stating that "sufficient and timely energy supply... constitutes a fundamental enabling condition" for effective deployment.
Network Connectivity: To support low-latency AI workloads, digital connectivity is as critical as power. The designation must account for available and future network connectivity capacity, ensuring that the zone can support the high-bandwidth requirements of cloud and AI services.
Legacy Network Phasing Out: The proposal aligns with broader EU digital goals by requiring authorities to consider the zone's capacity to support the phasing out of legacy copper networks. This encourages the deployment of modern fibre-optic or advanced wireless infrastructure, reducing reliance on outdated technology.
Waste-Heat Reuse: Sustainability is a central pillar of CADA. Member States must assess the available and future facilities that can reuse data centre waste heat. This criterion incentivises the integration of data centres into district heating networks, transforming waste energy into a resource for local communities and reducing the overall carbon footprint.
Permitting Acceleration Measures: The designation process must evaluate all measures taken to accelerate the granting of necessary permits. This includes assessing the efficiency of local administrative procedures and the potential for streamlined environmental assessments, which are further detailed in Article 13.
Brownfield Preference: In a move to protect the environment and promote urban regeneration, Article 10(1)(g) explicitly requires a preference for reusing brownfield sites over using greenfield sites. This prioritises the redevelopment of previously used land, minimising the ecological impact of new construction.
Sustainability and Climate Resilience: Finally, authorities must evaluate the site's ability to function sustainably. This includes assessing the potential to prevent or minimise environmental impacts, the capacity to reduce carbon emissions, and the site's overall climate resilience.

Energy Analysis and Grid Planning Obligations

The obligations under Article 10 extend beyond the initial designation. Article 10(2) imposes a continuous duty on Member States to facilitate the development of these zones through rigorous energy planning.

Comprehensive Energy Analysis: Member States must conduct, and review at least every three years, a comprehensive analysis of the energy needs and their respective impacts on greenhouse gas emissions for current and future acceleration zones. This analysis must identify the required energy infrastructure capacity to ensure the proper functioning of data centre projects within the zone.
Integration with Network Development Plans: The results of these energy analyses must be reflected in the network development plans prepared by transmission system operators (TSOs) and distribution system operators (DSOs) pursuant to Directive (EU) 2019/944. This ensures that grid planning is anticipatory rather than reactive. By integrating data centre demand forecasts into national grid plans, Member States can trigger "anticipatory investments" to accommodate future loads, preventing grid congestion and delays that could undermine the "acceleration" purpose of the zones.

Coordination and Spatial Planning

Effective designation requires breaking down silos between different levels of government and sectors. Article 10(3) and (4) mandate a high level of coordination:

Spatial Planning Integration: National, regional, and local authorities responsible for spatial and development plans must consider including provisions for the development of data centre projects in acceleration zones. All relevant spatial planning data must be made available to data centre operators to ensure transparency and predictability.
Multi-Stakeholder Involvement: Member States must ensure the involvement and coordination of all relevant entities, including network operators (as defined in Directive (EU) 2018/1972), transmission system operators, and distribution system operators (as defined in Directive (EU) 2019/944). This collaborative approach is essential for aligning land-use, energy, and connectivity policies.

Conditions Within Acceleration Zones

Once a zone is designated, its operation is governed by Article 11. This article ensures that the benefits of the zone are accessible to all market participants and that environmental standards are maintained.

Fair and Non-Discriminatory Access: Member States must ensure that the allocation and use of resources within acceleration zones takes place on fair, reasonable, and non-discriminatory terms. This provision is critical for preventing speculative reservation of resources or foreclosure practices that could impede effective competition. It ensures that the zones serve the public interest and the broader market, rather than becoming exclusive enclaves for specific operators.
Sustainability Standards: When setting sustainability requirements for data centres deployed in these zones, Member States must use the key performance indicators (KPIs) specified in Delegated Regulation (EU) 2024/1364 pursuant to the Energy Efficiency Directive. This ensures a consistent, high standard of environmental performance across the Union, preventing a "race to the bottom" in sustainability standards.

What this means for you

The designation of data centre acceleration zones under CADA is a strategic imperative for public authorities, with direct implications for spatial planning, energy regulation, and infrastructure investment.

For Spatial Planners and Local Authorities: You must proactively identify sites that meet the brownfield preference and waste-heat reuse criteria. This requires early collaboration with urban heating providers, environmental agencies, and grid operators. The preference for brownfields means that greenfield sites in rural areas may be less favourable unless they offer exceptional sustainability benefits or lack of alternative options. You must also ensure that local spatial planning data is accessible to data centre operators, as mandated by Article 10(3).

For Energy Regulators and Grid Operators: The requirement to integrate data centre energy needs into network development plans is transformative. You must shift from reactive grid expansion to anticipatory planning. The three-year review cycle for energy analyses means you need to establish robust data collection mechanisms immediately. Failure to accurately forecast data centre loads could lead to grid bottlenecks, delaying projects and undermining the "acceleration" purpose of the zone. The six-month designation deadline means you must have your energy analysis frameworks ready well before the Regulation enters into force.

For National Digital Strategy Teams: The designation process is a key component of the national cloud and AI strategy required under Article 7. The acceleration zones will serve as the physical backbone for the Union's AI ambitions. Your strategy must align with the designation of these zones to ensure that public sector workloads and private sector investments are directed towards facilities that benefit from streamlined permitting and are integrated into the national energy and digital infrastructure strategy.

For Data Centre Operators and Investors: While the designation is a public-sector obligation, the outcome directly impacts your investment strategy. Operators should monitor the designation process in Member States where they plan to deploy capacity. Zones designated under Article 10 will benefit from aggregated baseline permits (Article 13) and streamlined environmental assessments, significantly reducing time-to-market. However, operators must also be prepared to demonstrate compliance with the sustainability KPIs in Delegated Regulation (EU) 2024/1364 and the fair access principles in Article 11.

Common misconceptions

Misconception 1: Designation guarantees immediate construction. Reality: Designating an acceleration zone does not automatically approve specific data centre projects. It creates a regulatory environment where permitting is streamlined (via aggregated baseline permits under Article 13) and infrastructure planning is coordinated. Individual projects still require specific permits for activities falling outside the baseline permit, such as installation-specific permits.

Misconception 2: Only large urban areas can be acceleration zones. Reality: While the brownfield preference favours urban regeneration, the criteria include future grid and connectivity capacity. Rural areas with strong renewable energy potential, low-latency connectivity hubs, or proximity to clean energy sources may also be viable, provided they meet the sustainability and climate resilience criteria.

Misconception 3: The six-month deadline is from the date of publication. Reality: The deadline in Article 10(1) is tied to the entry into force of the Regulation, which occurs 20 days after publication. While the difference is small, the legal trigger is the entry into force, not the publication date. This is a fixed EU-wide timeline, requiring Member States to have their designation processes ready immediately.

Misconception 4: Acceleration zones bypass environmental assessments. Reality: They do not bypass them; they streamline them. Article 13 states that data centre projects in acceleration zones are considered strategic projects under the Regulation on speeding-up environmental assessments. They benefit from a dedicated toolbox and aggregated baseline permits, but environmental and safety standards remain high, particularly regarding energy efficiency and waste-heat reuse.

Misconception 5: Private companies can designate the zones. Reality: Designation is a Member State obligation. While private operators provide input, data, and expertise, the legal act of designation, the energy analysis, and the coordination with grid operators are public-sector responsibilities. Private entities cannot unilaterally declare a zone an "acceleration zone."

Misconception 6: The zones are only for new builds. Reality: The criteria explicitly include the modernisation of existing data centres. Article 10(1) refers to the "development, expansion and modernisation of data centres." This means existing facilities that meet the sustainability and connectivity criteria can be upgraded and integrated into the acceleration zone framework.

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