Who must report
Delegated Regulation (EU) 2024/1364 applies to data centres with an installed IT power demand of at least 500 kW. Operators report annually to a common European database on data centres. National guidance has pointed to 15 May for the previous calendar year's data, with the first reports on 2025 data due in 2026. Check the national implementation in each country where you have facilities.
Data centres used exclusively for security-sensitive, defence or emergency-preparedness purposes fall outside the obligation. Aggregated data from the database is published at Member State and EU level.
What the reporting involves
The reporting covers energy performance information and key performance indicators defined in the regulation's annexes. Operators need reliable data on IT and facility energy use and on the other parameters the regulation defines. Confirm the exact data points and definitions against the final text on EUR-Lex.
Status of the rating scheme
A separate rating scheme for data centres is being developed. It would issue electronic labels based on the reported data, covering energy efficiency and related sustainability indicators. The Commission has proposed it, but the scheme is not yet in force and remains subject to scrutiny by the European Parliament and the Council. Treat any labels or class thresholds quoted as draft until the final act is published.
Design implications
The monitoring layer decides how much effort reporting takes. Design for it from the start:
- Metering points. Plan IT load metering at UPS output or PDU level, and facility metering at the incoming supply, cooling plant and other major loads. Show metering points on single-line and ELV drawings.
- BMS and DCIM data. Specify the sensor points, data frequency and historian needed for the reporting boundary, and agree that boundary with the operator early.
- Network paths. Provide segregated, secure network paths from meters and BMS to the data collection platform, with capacity for growth.
- Data quality. Calibrate metering, record units, timestamps and gaps, and keep a documented data dictionary.
- Cyber security. Apply the same zone and remote-access controls to monitoring data paths as to other OT networks.
Checklist for design teams
- Confirm the installed IT power and whether the facility is above the 500 kW threshold.
- Agree the reporting boundary and KPIs with the operator before design freeze.
- Show metering, sensor and monitoring network routes on the design drawings.
- Specify data retention and export formats, so reports can be produced without manual rework.
The reporting obligation itself sits with the operator and its compliance advisers. Our role is the ELV, ICT and monitoring design that makes the data available.