- Supports this page's analysis of the first data-centre KPI reporting date and the later annual 15 May reporting cadence under the EED data-centre scheme.
"by 15 May in 2025 and subsequent years"
EED
Source-backed overview of Directive (EU) 2023/1791 covering energy efficiency first, Article 11 enterprise thresholds, public-sector duties, data-centre reporting, and evidence to keep.
This hub explains the recast Energy Efficiency Directive (EU) 2023/1791 as several connected workstreams: the energy-efficiency-first principle and EU targets, Member State implementation, enterprise audits and energy management, public-sector and procurement duties, heating and cooling, consumer information, and data-centre reporting.
The Directive sets the EU framework, but Member States transpose and administer many duties. Use the EU rules to identify the likely route, then verify how the applicable national law defines the enterprise boundary, authority, forms, exemptions, and enforcement process.
For relevant public policy and major investment decisions, record whether cost-efficient demand-side or efficiency measures were considered before supply-side expansion.
Keep the enterprise and linked-enterprise boundary, three-year final-energy-consumption calculation, billed energy, renewable self-consumption, all-carrier inputs, EMS certificate or audit report, management-submitted Action Plan for the audit route, recommendation status, and publication/confidentiality assessment.
Maintain public-body baseline and reduction records, building inventories over 250 m2, renovation or alternative-savings files, procurement decisions, heating and cooling assessments, metering and billing evidence, data-centre Annex VII inputs, European database submissions, and the basis for any exclusion.
Check average annual over the previous three years across all carriers. A result higher than 85 TJ triggers the certified route; a result higher than 10 TJ triggers the route when the enterprise does not implement an EMS. Equality alone does not cross either EU threshold. Commission guidance recommends including linked enterprises in the EU and reassessing the rolling average each year; national law controls the operative method.
Separate Member State duties from the records public bodies may need to supply: the 1.9% annual reduction trajectory, public-building renovation or equivalent savings route, inventories for buildings over 250 m2, planning, and energy-efficient procurement.
For data centres with installed IT power demand of at least 500 kW, identify Annex VII information, public availability rules, confidentiality limits, and reporting cadence.
Use the timeline alongside national implementation checks: Directive (EU) 2023/1791 entered into force on 10 October 2023; Article 12 data-centre reporting began in 2024 and continues annually; the main transposition deadline was 11 October 2025, although specific provisions use other dates; first Article 11 audits for the higher-than-10-TJ route are due by 11 October 2026; and enterprises above 85 TJ must have an in place by 11 October 2027.
Start by identifying the actor and energy boundary. Then use the relevant enterprise, public-sector, consumer, or data-centre route before moving to evidence, dates, reporting, or comparisons.
Decide whether the issue belongs to an enterprise, public body, public-building portfolio, data centre, or Member State implementation workstream, then calculate the relevant threshold or boundary.
Move from the Article 11 threshold result into the audit or certified energy-management-system route, Annex VI quality criteria, action plans, and supporting standards.
Use the distinct routes for public-body consumption, renovation and procurement, heating and cooling metering and billing, and Article 12 data-centre transparency.
Turn the selected route into owned controls, traceable calculations, audit and reporting records, management approvals, publication decisions, and national-law checks.
Separate historical milestones and Member State deadlines from enterprise and data-centre dates, then maintain the evidence and implementation indicators over time.
Understand where EED evidence can support ISO 50001, CSRD, or EPBD work without treating those frameworks as substitutes, or go directly to a focused FAQ.
"by 15 May in 2025 and subsequent years"
"enterprises with an average annual consumption higher than 85 TJ"
"energy efficiency first as a fundamental principle"
"monitoring and reporting of the energy performance of data centres"
Next steps
This hub is the shared entry point for EED scoping, threshold calculations, national-law checks, audit and energy-management evidence, public-sector records, and data-centre reporting files.
Manage EED threshold checks, public-sector tasks, data-centre reporting, and evidence ownership in one sustainability workflow.
Turn EED scoping, audit, EMS, Action Plan, and reporting requirements into assigned tasks and review checkpoints.
Align EED transposition, audit, EMS, and data-centre reporting milestones with internal owners.
Review your current EED scoping, evidence model, and national implementation questions.