FAQEED Article 12EU

EU Energy Efficiency Directive Data centre thresholds and reporting

EED Article 12 applies to owners and operators of data centres in EU Member States when installed IT power demand reaches at least 500 kW.

Use this page to check the threshold, reporting cadence, Annex VII information categories, Commission database role, and evidence file.

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Author
Sorena AI
Published
May 9, 2026
Updated
May 26, 2026
Questions
5

Structured answer sets in this page tree.

Primary sources
8

Cited legal and guidance references.

Publication metadata
Sorena AI
Published May 9, 2026
Updated May 26, 2026
Overview

Under Article 12 of Directive (EU) 2023/1791, Member States must require owners and operators of in-territory data centres with installed information technology power demand of at least 500 kW to make specified energy-performance information publicly available. The reporting obligation does not apply to data centres used for, or providing services exclusively with the final aim of, defence and civil protection.

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5 of 5 questions
Question 1

What is the EED Article 12 threshold for data centre reporting?

The trigger is not total site load, revenue, floor area, cloud customer count, or enterprise size. Article 12 uses the power demand of the installed information technology equipment: at least 500 kW for the public information obligation.

A separate 1 MW installed IT power threshold matters because Member States must encourage owners and operators at or above that level to take account of the latest European Code of Conduct on Data Centre Energy Efficiency best practices. Do not treat the 1 MW point as the start of the Article 12 reporting obligation.

  • Measure installed IT power demand for the data-centre spaces and equipment that primarily or exclusively serve data-related functions.
  • Exclude ordinary office or public-access IT equipment, scattered single servers, workstations, laptops, photocopiers, sensors, security equipment, and audiovisual appliances from the Article 12 data-centre boundary.
  • Check whether the defence and civil-protection exclusion applies before creating a public reporting workflow.
  • Keep the 500 kW reporting threshold and the 1 MW best-practice encouragement threshold as separate controls.
Citations
Directive (EU) 2023/1791, Article 12

Article 12 sets the 500 kW installed IT power threshold, the defence and civil-protection exclusion, the European database, and the 1 MW best-practice encouragement threshold.

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Turn EED Article 12 into a data-centre reporting file

Use the Article 12 threshold, Annex VII data fields, database submission evidence, and confidentiality review to keep data-centre reporting traceable.

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Question 2

When do data centre owners and operators report?

Article 12 states a 15 May 2024 start and every year thereafter. The Commission's delegated-regulation announcement says operators had to report key performance indicators to the European database by 15 September 2024, then by 15 May in 2025 and subsequent years.

For an internal reporting calendar, treat 15 May as the recurring annual deadline unless a competent authority or the Commission reporting platform gives a more specific instruction for the current cycle.

  • Assign one owner for threshold confirmation, one for energy and water data collection, and one for database submission evidence.
  • Collect last full calendar year performance data before the annual filing window.
  • Track national contact-point instructions where the Member State publishes local implementation guidance.
  • Preserve the platform submission receipt, submitted values, source-meter extracts, approval record, and any correction history.
Citations
Question 3

What information and metrics are reportable?

Annex VII gives the minimum public information categories. The file should identify the data centre, owner and operators, start date, municipality, floor area, installed power, annual incoming and outgoing data traffic, and the amount of data stored and processed.

For performance, Annex VII points to the last full calendar year and key performance indicators covering energy consumption, power utilisation, temperature set points, waste heat utilisation, water usage, and renewable-energy use. The Commission delegated regulation sets out the information and KPIs for the reporting obligation and the first sustainability indicators used for rating.

  • Facility identity: name, owner, operator, operating start date, and municipality.
  • Capacity and activity: floor area, installed power, annual incoming and outgoing data traffic, and stored or processed data.
  • Performance KPIs: energy consumption, power utilisation, temperature set points, waste heat utilisation, water usage, and renewable-energy use.
  • Evidence source: metering extracts, capacity calculations, traffic or storage reports, renewable-energy documentation, waste-heat records, and water-use records.
Citations
Question 4

What is the Commission database and rating scheme?

Article 12 requires the Commission to establish a European database containing information communicated by obligated data centres. The database is public at aggregated level, and the Commission energy page describes it as collecting and publishing data relevant to energy performance and water footprint.

The delegated regulation is the first phase of a common Union scheme for rating data-centre sustainability. The Commission page also states that it provides an online dashboard with aggregated data foreseen in the directive and the delegated regulation annex.

  • Use the European database workflow for reporting, not only a local spreadsheet or sustainability-report note.
  • Separate public aggregate database publication from confidential information protected by Union or national trade-secret and confidentiality law.
  • Track Commission guidance, reporter guides, national contact points, and dashboard updates because the database process can affect evidence expectations.
  • Do not invent a rating outcome: preserve the submitted source values and wait for the applicable Commission rating methodology or platform output.
Citations
Energy performance of data centres

The Commission topic page links the reporting database, guidance material, national contact points, aggregated dashboard, and delegated regulation.

Question 5

What evidence should teams retain for Article 12 data centre reporting?

Keep evidence that proves scope, source data, submission, and follow-up. The audit trail should show why a facility was included or excluded, how installed IT power was calculated, what reporting-period data was used, and what was submitted or published.

Evidence should be facility-specific. Generic EED policy statements do not prove Article 12 compliance if they cannot be tied to the data-centre boundary, meters, source systems, delegated-regulation data fields, and database submission.

  • Scope record showing facility name, owner, operator, municipality, data-centre boundary, installed IT power calculation, and any defence or civil-protection exclusion analysis.
  • Source data for Annex VII categories: floor area, installed power, traffic, stored or processed data, energy, power utilisation, temperature set points, waste heat, water, and renewable-energy use.
  • Annual reporting pack with the reporting period, internal approvals, database submission receipt, submitted values, and any later correction or authority correspondence.
  • Confidentiality review identifying any trade-secret or confidentiality redactions and the legal basis for withholding those values from public availability.
  • Change log for new halls, retrofits, metering changes, outsourcing changes, closure, expansion past 500 kW, or movement past 1 MW.
Citations
Primary sources

References and citations

Directive (EU) 2023/1791
eur-lex.europa.eu
Referenced sections
  • Primary legal source for Article 12, the 500 kW installed IT power threshold, the defence and civil-protection exclusion, the 1 MW best-practice point, the European database, the rating-scheme delegation, and Annex VII data categories.
"By 15 May 2024 and every year thereafter"
Directive (EU) 2023/1791, Annex VII
eur-lex.europa.eu
Referenced sections
  • Annex VII lists the minimum identity, capacity, traffic, storage, and performance information to monitor and publish for Article 12 data centres.
"energy consumption, power utilisation, temperature set points"
Directive (EU) 2023/1791, Article 12
eur-lex.europa.eu
Referenced sections
  • Article 12 provides the original 15 May 2024 date and annual cadence for the public information obligation.
"By 15 May 2024 and every year thereafter"
Directive (EU) 2023/1791, Article 12 and Annex VII
eur-lex.europa.eu
Referenced sections
  • Article 12 and Annex VII support the evidence categories for threshold, public availability, confidentiality, and monitored data fields.
"except for information subject to Union and national law"
Directive (EU) 2023/1791, Article 12 and Article 33
eur-lex.europa.eu
Referenced sections
  • Article 12 establishes the European database and aggregated public availability; Article 33 empowers the Commission to create the common Union sustainability rating scheme.
"European database on data centres"
Directive (EU) 2023/1791, recitals on data-centre scope
eur-lex.europa.eu
Referenced sections
  • Recital 86 explains that the reporting obligation concerns data-related spaces and associated equipment, and excludes ordinary office and scattered IT equipment.
"spaces and equipment that serve primarily or exclusively for data-related functions"
Energy performance of data centres
energy.ec.europa.eu
Referenced sections
  • The Commission topic page supports retaining database, reporter guide, FAQ/guidance, national contact point, and dashboard evidence.
"fulfil their reporting obligations"
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