---
title: "EED Article 11 threshold calculation: 85 TJ and 10 TJ FAQ"
canonical_url: "https://www.sorena.io/artifacts/eu/energy-efficiency-directive/faq/threshold-calculation"
source_url: "https://www.sorena.io/artifacts/eu/energy-efficiency-directive/faq/threshold-calculation"
author: "Sorena AI"
description: "How to calculate EU Energy Efficiency Directive Article 11 enterprise thresholds using the previous three-year average, all energy carriers, and auditable evidence records."
published_at: "2026-05-09"
updated_at: "2026-05-09"
keywords:
  - "EED Article 11"
  - "Energy Efficiency Directive threshold calculation"
  - "85 TJ"
  - "10 TJ"
  - "energy audit threshold"
  - "energy management system threshold"
  - "Energy Efficiency Directive"
  - "85 TJ threshold"
  - "10 TJ threshold"
  - "energy audits"
  - "energy management systems"
---
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# EED Article 11 threshold calculation: 85 TJ and 10 TJ FAQ

How to calculate EU Energy Efficiency Directive Article 11 enterprise thresholds using the previous three-year average, all energy carriers, and auditable evidence records.

*FAQ* *Article 11* *EU*

## EU Energy Efficiency Directive Article 11 Threshold calculation for 85 TJ and 10 TJ enterprise scope

Article 11 uses average annual enterprise energy consumption over the previous three years, taking all energy carriers together.

Use this FAQ to separate the 85 TJ energy-management-system threshold from the 10 TJ energy-audit threshold and to keep the evidence needed for national implementation checks.

Under Article 11 of Directive (EU) 2023/1791, threshold calculation is an enterprise energy-consumption test. The key questions are whether the enterprise averages more than 85 TJ or more than 10 TJ over the previous three years, whether all energy carriers have been included, and how the result is documented for the Member State rules that transpose the Directive.

## How should an enterprise calculate the EED Article 11 threshold?

Calculate the threshold at enterprise level using average annual energy consumption over the previous three years. Article 11 says the calculation takes all energy carriers together, so the file should not isolate only electricity, only gas, only one site, or only one business unit if the enterprise boundary is broader under the applicable national rule.

If the enterprise is above 85 TJ, Article 11 points to an independently certified energy management system. If it is above 10 TJ and does not implement an energy management system, Article 11 points to an energy audit obligation. The 10 TJ test is not a smaller version of the 85 TJ duty; it is the audit threshold for enterprises that do not have an energy management system.

- Set the enterprise boundary used for the calculation and note the national-law basis for that boundary.
- Gather energy consumption for each of the previous three years and include every energy carrier used by the enterprise.
- Convert consumption into a common unit, keep the conversion factors, and calculate the three-year average annual total in TJ.
- Classify the result as above 85 TJ, above 10 TJ but not above 85 TJ, or not above 10 TJ for the period reviewed.
- Recheck the calculation when acquisitions, disposals, site openings, major production changes, or national transposition rules change the enterprise boundary or data basis.

Sources for this answer:

- [Directive (EU) 2023/1791 on energy efficiency, Article 11](https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX%3A32023L1791&ref=sorena.io) - Binding EED text for the enterprise thresholds, the previous-three-years averaging period, and the requirement to include all energy carriers together.
- [European Commission Energy Efficiency Directive page](https://energy.ec.europa.eu/topics/energy-efficiency/energy-efficiency-targets-directive-and-rules/energy-efficiency-directive_en?ref=sorena.io) - Commission page linking Article 11 to energy management systems and energy audits and to the Article 11 interpretation guidance.

## What does each Article 11 threshold trigger?

The 85 TJ threshold is the higher-consumption trigger. Article 11 requires Member States to ensure that enterprises above that average annual consumption implement an energy management system, certified by an independent body in accordance with relevant European or international standards.

The 10 TJ threshold applies to enterprises with average annual consumption above 10 TJ over the previous three years that do not implement an energy management system. Those enterprises are subject to energy audits. Article 11 also states that the first audit for the covered enterprises is due by 11 October 2026 and subsequent audits are at least every four years, while the energy management system for the 85 TJ group is to be in place by 11 October 2027.

- More than 85 TJ: plan for an independently certified energy management system.
- More than 10 TJ and no energy management system: plan for an Article 11 energy audit.
- At or below 10 TJ: keep the calculation record and monitor future annual consumption, but do not infer an Article 11 audit obligation from the EU threshold alone.
- Any one year above the relevant threshold can trigger national reporting of that information to the authority responsible for Article 11 implementation.

Sources for this answer:

- [Directive (EU) 2023/1791 on energy efficiency, Article 11](https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX%3A32023L1791&ref=sorena.io) - Supports the 85 TJ energy-management-system trigger, the 10 TJ energy-audit trigger, audit cadence, management-system deadline, and authority information requirement.
- [Commission publishes final guidance documents for implementing the revised Energy Efficiency Directive](https://energy.ec.europa.eu/news/commission-publishes-final-guidance-documents-implementing-revised-energy-efficiency-directive-2024-09-23_en?ref=sorena.io) - Commission announcement explaining that guidance documents support Member State transposition and include Article 11 on energy management systems and energy audits.

## Which records should support the threshold calculation?

Keep the calculation pack close to the consumption data, because Article 11 threshold status depends on measured energy use rather than employee headcount or turnover. A reviewer should be able to see the enterprise boundary, the three annual totals, the energy carriers included, conversions to TJ, and the conclusion reached for the 85 TJ and 10 TJ tests.

If the result leads to an audit, Annex VI says energy audits should be based on up-to-date, measured, traceable operational data on energy consumption and, for electricity, load profiles. That same standard is a useful evidence discipline for the threshold file even before an audit starts.

- Enterprise boundary memo, including subsidiaries, sites, facilities, and exclusions assessed under national implementation rules.
- Three-year energy register showing each carrier, annual quantity, source meter or invoice, and responsible data owner.
- Conversion workbook showing units, conversion factors, assumptions, and the resulting annual TJ totals.
- Threshold conclusion showing whether the enterprise is above 85 TJ, above 10 TJ, or below both thresholds.
- Approval record from energy, finance, legal, or sustainability owners before the conclusion is used in reporting or audit planning.
- Change log for material corporate, operational, or data-quality changes that could affect the next calculation.

Sources for this answer:

- [Directive (EU) 2023/1791 on energy efficiency, Annex VI](https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX%3A32023L1791&ref=sorena.io) - Annex VI supports retaining measured, traceable operational data and storable audit data for historical analysis and performance tracking.
- [Study on guidance to Member States on minimum criteria for Energy Audits and Energy Management Systems](https://energy.ec.europa.eu/publications/study-guidance-member-states-minimum-criteria-energy-audits-and-energy-management-systems_en?ref=sorena.io) - Commission study page for Member State guidance on minimum criteria for energy audits and energy management systems.

## What national-transposition caveats matter most?

Directive (EU) 2023/1791 sets the EU-level Article 11 framework, but enterprises should check the Member State rules that transpose it. National law and authority guidance can affect the reporting channel, evidence format, audit supervision route, enforcement process, and how the enterprise boundary is handled in practice.

Do not add penalties, exemptions, or local filing dates to a threshold conclusion unless they come from the relevant national source. For this FAQ, the grounded EU answer is limited to the 85 TJ and 10 TJ Article 11 tests, previous-three-year averaging, all energy carriers together, the audit and energy-management-system consequences, and the need to retain traceable records.

- Check whether the Member State uses a platform or other process for annual threshold information.
- Check the national authority's preferred unit conversions, evidence format, and auditor or certification requirements.
- Check whether local rules clarify enterprise-group boundaries, mergers, acquisitions, or partial-year data.
- Keep the EU Article 11 calculation separate from any national penalty, enforcement, or filing analysis unless the national source is attached.

Sources for this answer:

- [Commission publishes final guidance documents for implementing the revised Energy Efficiency Directive](https://energy.ec.europa.eu/news/commission-publishes-final-guidance-documents-implementing-revised-energy-efficiency-directive-2024-09-23_en?ref=sorena.io) - Supports the caveat that guidance is aimed at helping EU countries transpose and implement the revised EED in national law.
- [Directive (EU) 2023/1791 on energy efficiency, Article 11](https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX%3A32023L1791&ref=sorena.io) - Supports the possibility of national platforms or collection routes for threshold information made available to responsible national authorities.

## Primary sources

- [Directive (EU) 2023/1791 on energy efficiency](https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX%3A32023L1791&ref=sorena.io) - Primary legal source for Article 11 thresholds, energy-management-system and audit consequences, previous-three-year averaging, all-carrier calculation, national-authority information, and Annex VI audit data criteria.
  - Quote: "average annual consumption higher than 10 TJ"
- [European Commission Energy Efficiency Directive page](https://energy.ec.europa.eu/topics/energy-efficiency/energy-efficiency-targets-directive-and-rules/energy-efficiency-directive_en?ref=sorena.io) - Commission EED overview page linking Article 11 to energy management systems, energy audits, and the related interpretation guidance.
  - Quote: "Article 11: energy management systems and energy audits"
- [Commission publishes final guidance documents for implementing the revised Energy Efficiency Directive](https://energy.ec.europa.eu/news/commission-publishes-final-guidance-documents-implementing-revised-energy-efficiency-directive-2024-09-23_en?ref=sorena.io) - Commission announcement supporting the national-transposition caveat and confirming guidance coverage for Article 11.
  - Quote: "support EU countries' work in transposing"
- [Study on guidance to Member States on minimum criteria for Energy Audits and Energy Management Systems](https://energy.ec.europa.eu/publications/study-guidance-member-states-minimum-criteria-energy-audits-and-energy-management-systems_en?ref=sorena.io) - Commission study source for minimum criteria context on energy audits and energy management systems.
  - Quote: "minimum criteria for Energy Audits and Energy Management Systems"

## Topic Guides

- [Annex VI energy audit criteria under the EU Energy Efficiency Directive](/artifacts/eu/energy-efficiency-directive/annex-vi-audits.md): A grounded guide to the Annex VI minimum criteria for EU Energy Efficiency Directive energy audits: data quality, representative scope, LCCA, calculations, recommendations, and evidence.
- [Does ISO 50001 satisfy Article 11 of the EU Energy Efficiency Directive?](/artifacts/eu/energy-efficiency-directive/faq/iso-50001-equivalence.md): FAQ on when ISO 50001 can support the Energy Efficiency Directive Article 11 energy-management-system route, when an energy audit is still needed, and what evidence to keep.
- [EED Article 11 action plans and national planning context](/artifacts/eu/energy-efficiency-directive/action-plans.md): How EU Energy Efficiency Directive action plans work: Article 11 audit-based enterprise plans, management approval, publication evidence, and the difference from national NEEAP and NECP planning.
- [EED Article 11 corporate group and site aggregation FAQ](/artifacts/eu/energy-efficiency-directive/faq/corporate-group-and-site-aggregation.md): How to calculate EU Energy Efficiency Directive Article 11 enterprise thresholds across sites, energy carriers, and national transposition rules.
- [EED Article 12 data centre reporting threshold and cadence](/artifacts/eu/energy-efficiency-directive/faq/data-centre-thresholds-and-reporting.md): FAQ on the EU Energy Efficiency Directive Article 12 data centre threshold, reporting cadence, Annex VII data categories, Commission database, and evidence to retain.
- [EED energy audit report contents: what should be included?](/artifacts/eu/energy-efficiency-directive/faq/audit-report-contents.md): FAQ on EU Energy Efficiency Directive audit report contents, covering Annex VI criteria, EN 16247 context, evidence, recommendations, and action-plan linkage.
- [EED National Transposition Evidence](/artifacts/eu/energy-efficiency-directive/national-transposition-evidence.md): How to evidence national transposition of Directive (EU) 2023/1791 without inventing Member State obligations: EU proof points, national-law checks, retained records, and source limits.
- [EED penalties: what does Directive (EU) 2023/1791 require?](/artifacts/eu/energy-efficiency-directive/faq/penalties.md): FAQ on EU Energy Efficiency Directive penalties, Member State enforcement rules, and the audit, energy-management, action-plan, and reporting evidence that reduces enforcement risk.
- [EED Public Bodies FAQ: 1.9% Reduction and 3% Renovation Duties](/artifacts/eu/energy-efficiency-directive/faq/public-bodies.md): FAQ on EU Energy Efficiency Directive public-body duties: who is in scope, the 1.9% final energy consumption reduction, 3% public-building renovation rule, caveats, and records.
- [EED public body obligations: 1.9% energy reduction and 3% renovation](/artifacts/eu/energy-efficiency-directive/public-body-obligations.md): source-linked guide to EU Energy Efficiency Directive public-body duties: Article 5 final-energy reduction, Article 6 building renovation, inventories, caveats, and evidence.
- [EED reporting and metrics: Article 11 action plans and Article 12 data centres](/artifacts/eu/energy-efficiency-directive/reporting-and-metrics.md): source-linked EU Energy Efficiency Directive reporting guide covering Article 11 audit action-plan records, Article 12 data-centre metrics, and Eurostat consumption indicators.
- [EED threshold triage workflow for 10 TJ and 85 TJ routes](/artifacts/eu/energy-efficiency-directive/threshold-triage-workflow.md): A source-grounded workflow for collecting all energy carriers, calculating the three-year average, and routing EED audit or energy-management-system actions.
- [EED vs EPBD: Energy Efficiency and Building Performance](/artifacts/eu/energy-efficiency-directive/eed-vs-epbd.md): Compare the EU Energy Efficiency Directive with EPBD building-performance workstreams for enterprise energy audits, energy management, public-sector duties, data centres, and building certificates.
- [EN 16247-1 audit structure under the EU Energy Efficiency Directive](/artifacts/eu/energy-efficiency-directive/en-16247-audit-structure.md): How to structure an EN 16247-1 energy audit for EED Article 11 and Annex VI: scope, data, site work, analysis, report outputs, recommendations, and evidence.
- [Energy Efficiency Directive vs CSRD](/artifacts/eu/energy-efficiency-directive/energy-efficiency-directive-vs-csrd.md): Compare EED operational energy duties with CSRD sustainability reporting work, including where EED audit, energy-management and data-centre evidence may be reused.
- [EU EED 85 TJ and 10 TJ enterprise thresholds under Article 11](/artifacts/eu/energy-efficiency-directive/85-tj-and-10-tj-enterprise-thresholds.md): Article 11 guidance for enterprises checking the EU Energy Efficiency Directive 85 TJ energy-management-system threshold and 10 TJ energy-audit threshold.
- [EU EED Article 11 Energy Audits: 10 TJ threshold, cadence, and evidence](/artifacts/eu/energy-efficiency-directive/energy-audits.md): Grounded guide to Energy Efficiency Directive Article 11 energy audit obligations, including the 10 TJ trigger, four-year cadence, Annex VI criteria, EN 16247 relation, and action-plan evidence.
- [EU EED Article 12 data centre reporting and performance](/artifacts/eu/energy-efficiency-directive/data-centre-reporting-and-performance.md): Article 12 of the EU Energy Efficiency Directive requires qualifying data centre owners and operators to publish annual energy performance information and feed the European database.
- [EU EED audit frequency: Article 11 cadence and EMS route](/artifacts/eu/energy-efficiency-directive/faq/audit-frequency.md): FAQ on EU Energy Efficiency Directive Article 11 audit frequency: 10 TJ and 85 TJ energy-consumption thresholds, first audit timing, four-year cadence, EMS alternative, and evidence.
- [EU EED Data Centre Reporting Workflow](/artifacts/eu/energy-efficiency-directive/data-centre-reporting-workflow.md): Workflow for identifying in-scope EU data centres, collecting Annex VII energy-performance data, checking evidence, and preparing annual EED reporting.
- [EU EED Implementation Rate Tracking: evidence fields and caveats](/artifacts/eu/energy-efficiency-directive/implementation-rate-tracking.md): Track Energy Efficiency Directive implementation without inventing a headline rate: NECP action status, Eurostat distance-to-target data, audit scheme records, owners, and transposition caveats.
- [EU Energy Efficiency Directive action plan evidence workflow](/artifacts/eu/energy-efficiency-directive/action-plan-evidence-workflow.md): Build an evidence workflow for EU Energy Efficiency Directive energy-audit and energy-management action plans, including records, owners, tracking fields, and review triggers.
- [EU Energy Efficiency Directive Applicability Test: 85 TJ, 10 TJ, Data Centres](/artifacts/eu/energy-efficiency-directive/applicability-test.md): Check whether an enterprise, public body, or data centre falls under Energy Efficiency Directive duties for energy management systems, audits, public-sector energy use, public buildings, or Article 12 data-centre reporting.
- [EU Energy Efficiency Directive Article 11 EMS vs Energy Audit Route](/artifacts/eu/energy-efficiency-directive/ems-vs-audit-route-workflow.md): Compare Article 11 EMS and energy audit routes under Directive (EU) 2023/1791: 85 TJ and 10 TJ thresholds, three-year average consumption, Annex VI audit criteria, outputs, and evidence.
- [EU Energy Efficiency Directive Article 11 energy management systems](/artifacts/eu/energy-efficiency-directive/energy-management-systems.md): Article 11 EMS guide for enterprises above the 85 TJ threshold, covering certified energy management systems, audit links, action plans, energy data, and evidence.
- [EU Energy Efficiency Directive checklist for enterprise energy audits, EMS, data centres and public-sector duties](/artifacts/eu/energy-efficiency-directive/checklist.md): Checklist for Directive (EU) 2023/1791 covering enterprise energy-consumption thresholds, energy management systems, energy audits, Annex VI evidence, data-centre reporting and public-sector checks.
- [EU Energy Efficiency Directive compliance: audits, EMS, data centres](/artifacts/eu/energy-efficiency-directive/compliance.md): Grounded EU Energy Efficiency Directive compliance guide covering Article 11 energy management and audit thresholds, data-centre reporting, public-body duties, owners, and evidence.
- [EU Energy Efficiency Directive deadlines and compliance calendar](/artifacts/eu/energy-efficiency-directive/deadlines-and-compliance-calendar.md): Calendar of grounded EU Energy Efficiency Directive dates for transposition, Article 11 energy audits and EMS duties, data-centre reporting, and public-sector obligations.
- [EU Energy Efficiency Directive energy audit report template](/artifacts/eu/energy-efficiency-directive/energy-audit-report-template.md): A grounded energy audit report template for EED Article 11 and Annex VI: scope, measured consumption data, analysis, life-cycle costing, recommendations, owners, action-plan links, and evidence.
- [EU Energy Efficiency Directive FAQ](/artifacts/eu/energy-efficiency-directive/faq.md): Answers to common EU Energy Efficiency Directive questions on Article 11 thresholds, energy audits, energy management systems, data centres, public bodies, penalties, audit reports, and reporting overlap.
- [EU Energy Efficiency Directive metering and billing requirements](/artifacts/eu/energy-efficiency-directive/metering-and-billing.md): A grounded guide to EED metering, sub-metering, remote reading, billing information, consumption data access, and customer-facing records.
- [EU Energy Efficiency Directive penalties and enforcement risk](/artifacts/eu/energy-efficiency-directive/penalties-and-fines.md): Article 32 of the EU Energy Efficiency Directive leaves penalties to Member States. Use this page to understand the EU-level rule, the limits of EU-wide fine claims, and the evidence that lowers enforcement risk.
- [EU Energy Efficiency Directive requirements: Article 11, audits, data centres](/artifacts/eu/energy-efficiency-directive/requirements.md): Source-grounded guide to core EED requirements: Article 11 EMS and audit thresholds, Annex VI audit criteria, data-centre reporting, public-body duties, action plans, and evidence.
- [EU Energy Efficiency Directive scope: who must comply](/artifacts/eu/energy-efficiency-directive/scope-and-who-must-comply.md): source-linked EED scope guide for undertakings, public bodies, data centres, energy-consumption thresholds, audits, energy management systems, and national transposition checks.
- [How can EED records support CSRD and ESRS E1 evidence?](/artifacts/eu/energy-efficiency-directive/faq/csrd-and-esrs-e1-overlap.md): FAQ on using EU Energy Efficiency Directive audit, management-system, and data-centre records as evidence inputs for sustainability reporting without treating EED as CSRD or ESRS advice.
- [ISO 50001 vs EU Energy Efficiency Directive](/artifacts/eu/energy-efficiency-directive/iso-50001-vs-energy-efficiency-directive.md): Compare ISO 50001 evidence with EU Energy Efficiency Directive Article 11 obligations for the 85 TJ energy-management-system route and 10 TJ audit route.
- [Timeline for Energy Efficiency Directive: practical implementation guide](/artifacts/eu/energy-efficiency-directive/timeline.md): Practical Energy Efficiency Directive guidance for Timeline, with source-linked decisions, owners, evidence records, and implementation steps.

*Recommended next step*

*Placement: after evidence section*

## Build an Article 11 threshold evidence pack

Use Sorena to connect EED Article 11 source text, enterprise energy data, threshold conclusions, and evidence records before audit or energy-management-system planning.

- [Open Research Copilot](/solutions/research-copilot.md): Answer EED Article 11 threshold questions with cited source material.
- [Discuss EED Article 11 scope](/contact.md): Review enterprise boundaries, source evidence, and threshold-calculation records with Sorena.


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