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Energy savings opportunity scheme (ESOS): find out if you qualify and how to comply

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ByDepartment for Energy Security and Net Zeroquartz_quill_ac5b2c

Find out if you qualify for the energy savings opportunity scheme (ESOS) and how to meet the requirements to make your business more energy efficient.

Adapted edition

Wage and hour compliance
Document type
Reference Guide
Format
DOCX
Pages
8
Language
English
Version
1.0
Updated
2026-09-17
Category
Safety & operations
Licence
Open Government Licence v3.0
Description

Find out if you qualify for the energy savings opportunity scheme (ESOS) and how to meet the requirements to make your business more energy efficient. Consult the original guidance for current legal and operational details.

Contents
  • ESOS latest updates
  • Phase 4 changes
  • Net zero assessments
  • Reminder: Phase 3 requirements
  • Find out if you qualify for ESOS phase 4
  • Large undertakings
  • If you do not qualify for ESOS phase 4
  • ESOS regulation and penalties
  • Complete an ESOS assessment
  • Summary of the steps required to complete an ESOS assessment
  • 1. Calculate your total energy consumption
  • 2. Identify your areas of significant energy consumption
  • 3. Calculate your energy intensity ratios
  • 4. Decide on your routes to compliance and appoint a lead assessor
  • 5. Carry out any necessary ESOS energy audits
  • 6. Complete the ESOS report and share with the corporate group
Source and licence
Energy savings opportunity scheme (ESOS): find out if you qualify and how to comply

Department for Energy Security and Net Zero

Original source OGL-UK-3.0

AttributionDepartment for Energy Security and Net Zero, ‘Energy savings opportunity scheme (ESOS): find out if you qualify and how to comply’ (updated 2 September 2026), reused under the Open Government Licence v3.0.

ChangesNeutral text-only adaptation from the official GOV.UK Content API body: headings, paragraphs, ordered and unordered list items and clickable source-link destinations in an appendix preserved. Images, logos, page design, accessible-format request widgets and linked attachments excluded; normalised whitespace, invisible format marks and typography.

Version history
  • v1.017/09/2026
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