Applus+ analyzes the impact of Directive (EU) 2023/1791 on the energy efficiency of data centers in Europe

In a sector defined by high availability, resilience, and scalability, energy efficiency ceases to be a voluntary attribute and becomes a critical infrastructure of the digital business. The new European regulation consolidates this evolution by turning into regulatory requirements many of the practices that until now were only applied by the most advanced operators.

From "design" efficiency to "demonstrable" efficiency

One of the most relevant changes introduced by Directive (EU) 2023/1791 is the shift from efficiency based on intentions to measured, managed, and verifiable efficiency. In this regard, Article 11, relating to energy management systems and energy audits, reinforces this vision by promoting that efficiency ceases to be a one-time exercise and becomes integrated into a structured system of continuous improvement.

For data centers, this approach implies a profound cultural change: PUE (Power Usage Effectiveness), also known as Energy Usage Efficiency, ceases to be solely an internal indicator or commercial positioning tool and becomes part of a more systematic energy management framework. Advanced monitoring and submetering are consolidated as key elements to demonstrate compliance and constant evolution, while efficiency is evaluated in real operation, not only in the design or commissioning phase.

In this new scenario, reliable energy data ceases to be a technical byproduct and becomes a strategic asset of the data center itself, with direct implications for its value, reputation, growth capacity, and financing.

Energy transparency: data as the new common language

The Directive also introduces a growing requirement for transparency and reporting. In this context, Article 12, focused on measuring and billing energy consumption, reinforces the need to have detailed, precise, and accessible information in real-time about consumption.

In the context of data centers, this requirement goes far beyond billing. It requires the deployment of robust measurement architectures for critical systems and processes, facilitates objective comparison between facilities and operators, and lays the groundwork for greater oversight by regulators, customers, and investors. Energy efficiency thus ceases to be a technical discourse and becomes expressed in a common, quantifiable, and verifiable language.

This new regulatory framework lays the foundations for a profound change that, beyond compliance, will begin to directly impact how new data centers are planned, authorized, and developed.