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EED Article 12Data centresEU

EU Energy Efficiency Directive Data centre reporting and performance

Article 12 focuses on owners and operators of EU data centres whose reaches the reporting threshold.

This page helps check the trigger, reporting cadence, Annex VII data categories, European database publication, and evidence that should support a defensible submission.

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Author
Sorena AI
Published
May 9, 2026
Updated
Oct 15, 2026
5 sections8 primary sources
Overview

Article 12 of Directive (EU) 2023/1791 creates a transparency regime for data centres. It is not a general corporate energy-audit page: the relevant question is whether a data centre in an EU Member State reaches the installed IT power-demand threshold and must make Annex VII energy-performance information publicly available each year.

Section 1

When Article 12 data centre reporting is triggered

Member States must require owners and operators of data centres in their territory to publish Annex VII information where the data centre has installed information technology power demand of at least 500 kW. The reporting trigger is tied to the data centre and its , not to enterprise size, corporate revenue, or a generic sustainability-reporting category.

is not the same measure as whole-facility electricity consumption, contracted grid capacity, backup-generation capacity, or the IT load observed at one moment. Keep the threshold calculation and its source record separate from the annual performance metrics.

The Directive excludes data centres used for, or providing services exclusively with the final aim of, defence and civil protection. A separate Article 12 provision says Member States should encourage data centres with equal to or greater than 1 MW to take account of the European Code of Conduct on Data Centre Energy Efficiency.

  • Start with an inventory of EU data centres, owners, operators, municipality, operating start date, and .
  • Classify whether each site is at least 500 kW for Article 12 publication.
  • Record the calculation method and evidence used for instead of inferring scope from annual electricity use.
  • Record any defence or civil-protection-only exclusion before removing a site from the reporting population.
  • Flag sites at or above 1 MW for European Code of Conduct best-practice review.
  • Keep the calculation basis for with the reporting file, because the threshold drives the obligation.
Recommended next step

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Section 2

Annual reporting cadence and European database

The Directive states that the Article 12 publication obligation applies by 15 May 2024 and every year thereafter. The Commission news release on Delegated Regulation (EU) 2024/1364 describes the first reporting date for operators as 15 September 2024, followed by 15 May in 2025 and subsequent years.

The Commission has prepared a European database for the energy performance and water footprint of data centres. Article 12 says the database includes information communicated by obligated data centres and is publicly available at aggregated level, so non-public evidence should separate site-level submission data from what appears in public aggregated outputs.

  • Set the annual reporting calendar around the 15 May recurring date after the first 2024 reporting period.
  • For historical 2024 work, distinguish the Commission's 15 September 2024 delegated-regulation reporting date from the recurring 15 May cycle.
  • Keep proof of database registration, reporter role assignment, submitted values, validation checks, and any corrections.
  • Retain the publication decision for information withheld under trade-secret, business-secret, or confidentiality law.
  • Reconcile submitted values to internal metering, operations, facilities, water, renewable-energy, and heat-reuse records before filing.
Section 3

What Annex VII data must be prepared

Annex VII groups the required information into site identity, capacity and activity data, and performance indicators for the last full calendar year. A useful reporting pack should therefore combine legal-entity ownership data with technical facility data and measured annual performance values.

The Directive names performance topics rather than a single metric: energy consumption, power utilisation, temperature set points, waste heat utilisation, water usage, and use of renewable energy. Annex VII pointed to the CEN/CENELEC EN 50600-4 data-centre facilities and infrastructure series where applicable until Delegated Regulation (EU) 2024/1364 entered into force; that Regulation now sets the information and key-performance-indicator methodology for reporting.

  • Identity fields: data-centre name, owner, operator, operating start date, and municipality.
  • Scale and activity fields: floor area, installed power, annual incoming and outgoing data traffic, and amount of data stored and processed.
  • Performance fields: last full calendar-year energy consumption, power utilisation, temperature set points, waste heat utilisation, water usage, and renewable-energy use.
  • Methodology fields: data source, meter or system of record, reporting boundary, aggregation method, reviewer, and version date for each reported value.
  • Confidentiality fields: which Annex VII items are published, withheld, or aggregated, and the legal basis for any withheld trade-secret or confidential information.
Section 4

How the performance scheme and next steps affect planning

Delegated Regulation (EU) 2024/1364 is the first phase of an EU-wide scheme to rate data-centre sustainability. The Commission states that the delegated act sets out the information and key performance indicators to be reported and defines the first sustainability indicators for rating data centres.

Article 12 required the Commission to assess available submitted data by 15 May 2025 and report to the European Parliament and Council, including possible further measures such as minimum performance standards and a net-zero data-centre-sector feasibility assessment. The Commission published an assessment of the 2024 reporting period in July 2025. Its current data-centre page says a Data Centre Energy Efficiency Package is still being prepared and that a consultation on the draft rating regulation ran from 26 March to 23 April 2026. These reports, plans, and draft work do not themselves impose a final minimum-performance standard.

  • Treat current Article 12 work as monitoring, reporting, publication, and evidence preparation, not as proof that a site has met a future performance standard.
  • Track Delegated Regulation (EU) 2024/1364 outputs separately from the Directive text so KPI definitions and methodology changes are not mixed with the Article 12 threshold.
  • Prepare trend views for energy use, water use, renewable-energy use, cooling settings, and waste-heat utilisation because the Commission uses submitted data to assess efficiency.
  • Do not publish claims such as 'EED-compliant data centre' unless the claim states exactly which Article 12 reporting step or database submission was completed.
  • Use the Commission's current reporter guide and FAQ, updated on 3 July 2026, for platform mechanics; keep the Directive and Delegated Regulation separate as the binding sources.
  • Keep a watch item for the rating regulation and any later EU minimum performance standards, but do not invent dates, penalties, labels, or pass/fail classes before they are based on an adopted measure.
Section 5

Evidence file for an Article 12 data centre report

A defensible evidence file should let a reviewer trace each public or database-reported value back to the site boundary, meter or operational system, calculation method, and approval owner. The highest-risk gaps are usually threshold calculations, unreviewed confidentiality exclusions, and performance numbers copied from dashboards without a stable reporting boundary.

Because Article 12 data can feed public transparency, aggregated database outputs, Commission assessment, and the rating scheme, the evidence pack should be maintained as a recurring annual reporting file rather than a one-off compliance memo.

  • Scope record: EU site list, owner/operator mapping, municipality, operating start date, installed IT power-demand calculation, and any exclusion rationale.
  • Data workbook: Annex VII field list, data source, reporting boundary, calculation method, last full calendar-year values, reviewer, and approval status.
  • Confidentiality log: Annex VII items withheld or aggregated, legal rationale, approving owner, and publication wording.
  • Submission record: platform registration, reporting account, submitted values, timestamps, validation messages, correction history, and exported receipt where available.
  • Performance trend pack: annual energy, power-utilisation, temperature, waste-heat, water, and renewable-energy values with notes on material methodology changes.
Primary sources

References and citations

European Commission: energy performance of data centres
energy.ec.europa.eu5 citations
Referenced sections
  • Current Commission overview for the reporting regime, European database, aggregated dashboard, July 2025 assessment, July 2026 FAQ, 2026 rating consultation, and planned Data Centre Energy Efficiency Package.
  • The Commission explains that the EED introduced monitoring and reporting of data-centre energy performance and links the reporting database and related documents.
  • The Commission page confirms that the database collects and publishes data relevant for energy performance and water footprint for data centres with significant energy consumption.
Show 2 more
  • Current Commission page describing the July 2025 assessment, reporting dashboard, July 2026 FAQ, completed 2026 draft-rating consultation, and planned data-centre energy-efficiency package.
  • The Commission page links the European database, user materials, dashboard, and assessment reports that shape practical reporting evidence.
"A European database, prepared by the Commission, collects and publishes data"
More quoted passages
"monitoring and reporting of the energy performance of data centres"
"energy performance and water footprint"
"preparing a Data Centre Energy Efficiency Package"
Commission adoption of EU-wide data-centre sustainability rating scheme
energy.ec.europa.eu3 citations
Referenced sections
  • Commission announcement for Delegated Regulation (EU) 2024/1364, the first reporting date, recurring 15 May reporting, reportable KPIs, and first sustainability indicators.
  • The Commission news release gives the first delegated-regulation reporting date and confirms the recurring 15 May deadline for 2025 and later years.
  • The Commission explains that the delegated act sets reportable KPIs and first sustainability indicators for rating data centres.
"establishing an EU-wide scheme to rate the sustainability of EU data centres"
More quoted passages
"by 15 September 2024 and then by 15 May"
"key performance indicators should be reported"
Directive (EU) 2023/1791 Article 12
eur-lex.europa.eu2 citations
Referenced sections
  • Article 12 sets the 500 kW installed IT power-demand trigger, the defence and civil-protection carve-out, the aggregated European database, and the 1 MW best-practices encouragement.
  • Article 12 gives the annual publication obligation and requires the Commission's European database to be publicly available on an aggregated level.
"power demand of the installed information technology (IT) of at least 500kW"
More quoted passages
"By 15 May 2024 and every year thereafter"
European database for data-centre energy performance and water footprint
policy-reporting-platform.ec.europa.eu2 citations
Referenced sections
  • Policy Reporting Platform registration page identified by the Commission as the European database for reporting data-centre energy performance and water footprint.
  • The Commission data-centre page identifies this Policy Reporting Platform registration page as the European database used for data-centre reporting.
"European database for the energy performance and water footprint of data centres"
Directive (EU) 2023/1791 Annex VII
eur-lex.europa.eu
Referenced sections
  • Annex VII lists the minimum information to monitor and publish for Article 12 data centres, including identity, scale, traffic, storage, processing, and performance categories.
"energy consumption, power utilisation, temperature set points, waste heat utilisation, water usage"
Directive (EU) 2023/1791 Article 12 and Annex VII
eur-lex.europa.eu
Referenced sections
  • Article 12 and Annex VII support the threshold, publication duty, confidentiality carve-out, and minimum categories that should appear in the evidence file.
"except for information subject to Union and national law protecting trade and business secrets"
Directive (EU) 2023/1791 Article 33(3)
eur-lex.europa.eu
Referenced sections
  • Article 33(3) empowers the Commission to establish the common Union rating scheme and define sustainability indicators, KPIs, and measurement methodology.
"common Union scheme for rating the sustainability of data centres"
Directive (EU) 2023/1791 on energy efficiency
eur-lex.europa.eu
Referenced sections
  • Primary legal source for Article 12 data-centre threshold, annual publication requirement, database rule, 1 MW best-practices encouragement, Article 33(3) rating-scheme power, and Annex VII minimum information.
"The following minimum information shall be monitored and published"

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