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EU Energy Efficiency Directive (EED) Energy Audits

How to run EED audits that withstand scrutiny and drive real savings.

Focus: Article 11 audit obligation + Annex VI minimum criteria + Action Plan + reporting.

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Author

Sorena AI

Published

Feb 21, 2026

Updated

Feb 21, 2026

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Publication metadata

Sorena AI

Published Feb 21, 2026

Updated Feb 21, 2026

Overview

An EED audit program is more than a one-off report. Directive (EU) 2023/1791 ties audits to (1) quality criteria (Annex VI), (2) deadlines and cadence, (3) a concrete Action Plan based on recommendations, and (4) publication/reporting expectations (subject to confidentiality protections). This page shows how to build an audit workflow that is defensible and operationally useful.

Section 1

Who must do EED energy audits (and when)

The audit obligation is threshold-based. If your enterprise exceeds the 10 TJ threshold (3-year average annual consumption across all energy carriers) and you do not implement a certified energy management system, you are in the audit route.

The directive specifies an initial deadline and a recurring cadence.

Trigger, > 10 TJ, 3 year average annual energy consumption across all carriers, and no EMS in place.
Deadline, first energy audit by 11 October 2026.
Cadence, subsequent audits at least every four years, with annual scope and data-readiness checks in between.
Annual authority visibility, where annual consumption is above the threshold in a given year, be ready to make that information available to the competent national authority.

Section 2

Annex VI minimum criteria (turn this into your QA checklist)

Annex VI defines minimum criteria for energy audits (including those performed as part of an energy management system).

The fastest way to reduce audit and enforcement risk is to embed these criteria in your audit contract and acceptance review.

Use up-to-date, measured, traceable operational data; include load profiles for electricity.
Review energy consumption profile across relevant assets (buildings, industrial operations/installations, transport).
Identify efficiency measures and potential for cost-effective renewables use/production.
Prefer life-cycle cost analysis over simple payback where possible; ensure data is storable for historical tracking.

Section 3

Audit scope design: coverage, boundaries, and worst-case pitfalls

Most "bad audits" fail on scope: wrong boundary, missing carriers, missing operational data, or a report that can't be compared year-to-year.

Design scope like a control: define what is covered, what isn't, and why.

Boundary memo: sites/entities included; carriers included; treatment of acquisitions/divestitures.
Data pack: invoices/metering sources, conversion factors, and audit-period timeline.
Coverage matrix: buildings/processes/transport reviewed; identify intentionally excluded items and rationale.
Deliverables: a recommendations register with quantified savings potential and confidence level.

Section 4

From recommendations to Action Plan (required operational output)

Directive (EU) 2023/1791 expects enterprises to draw up a concrete and feasible Action Plan based on the audit recommendations, for measures that are technically or economically feasible.

Treat the Action Plan like a delivery system with owners, milestones, budget, dependencies, measurement approach, and a management submission record.

Action Plan structure, recommendation, decision, rationale, owner, due date, expected savings, budget, and measurement method.
Management submission, store sign offs and resource allocation decisions, because the directive explicitly requires submission to management.
Implementation rate, define completion consistently, track it in the action register, and prepare the annual report disclosure layer.
Public availability, be ready to publish the Action Plan and recommendation implementation rate, subject to trade and business secret protections.

Section 5

Reporting and publication: plan confidentiality and versioning

The directive links audit outcomes to annual reporting and public availability, subject to trade and business secret protections.

Build a publication-ready summary that separates sensitive details from the required disclosures and from the evidence you may need to provide to national authorities.

Define what is publishable (e.g., high-level implementation rate and themes) vs confidential (site-specific vulnerabilities, cost details).
Version outputs: year, boundary, and method changes documented.
Store the published output link and the internal full evidence pack for audit readiness.

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