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Helpdesk support

Scheme administrator: Environment Agency of behalf of all UK Regulators

·¡³¾²¹¾±±ô:ÌýESOS@environment-agency.gov.uk

Energy Savings Opportunity Scheme (ESOS) offshore related enquiries email: OPRED@energysecurity.gov.uk

Regulators

·¡²Ô²µ±ô²¹²Ô»å:ÌýEnvironment Agency

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Northern Ireland: , email: ipri@daera-ni.gov.uk

°¿´Ú´Ú²õ³ó´Ç°ù±ð:ÌýDepartment for Energy Security and Net Zero

More information and advice

Overview of ESOS: Department of Energy, Security and Net Zero’s website guidance for ESOS

Climate Change Agreement operations manual

Measuring and reporting Greenhouse Gas (GHG) emissions from freight transport operations

Legislation behind ESOS

The government originally established ESOS to implement Article 8 (4-6) of the EU .

ESOS came into force in July 2014 under the  – referred to in this guidance as ‘the ESOS ¸é±ð²µ³Ü±ô²¹³Ù¾±´Ç²Ô²õ’.

ESOS is an energy assessment and energy saving scheme established by the Energy Savings Opportunity Scheme Regulations 2014 (ESOS Regulations), most recently amended by the Energy Savings Opportunity Scheme (Amendment) Regulations 2026.

Following the UK’s exit from the EU, replacement primary powers were established in the .

: UK Act to set out the legal operation of companies.

: An Act to set out employment and employment relations rules in Northern Ireland.

: UK Act to consolidate enactments relating to company insolvency, winding up, and insolvency and bankruptcy of individuals.

BSI Standards

This standard sets out the requirements for Lead Assessors to ensure Professional Bodies only include competent Lead Assessors in the Approved Registers.

This is relevant for participants who must comply with ESOS requirements, as well as the lead assessors undertaking the ESOS energy audit which may include energy consultants.

This standard has been withdrawn but remains the current standard for Lead Assessors.

This is currently a voluntary standard although recognised as good practice to adopt at this early stage. The standard outlines how to combine an assessment to identify and evaluate the costs and benefits for organisations to decarbonise and to meet net zero.

This is currently a voluntary standard although recognised as good practice to adopt at this early stage. This standard confirms the competencies necessary for assessing an organisations energy use and greenhouse gas emissions.