ESOS Energy Audits

Large businesses that are required to comply with the Energy Savings Opportunity Scheme must carry out an ESOS Energy Audit every four years. An energy audit reviews the organisation’s total energy usage, including buildings, industrial processes and transport. These assessments are then used to identify cost-effective energy saving measures.

You will need to appoint an approved ESOS Lead Assessor to oversee and sign-off on the audit – they will create an ESOS Audit Summary Report and ESOS Audit Evidence Pack. The audit must also be signed off by a board-level director before it is submitted to the Environment Agency.

How can I comply?

The ESOS Energy Audit is one of the four routes to compliance identified by the Government:

  • ESOS Energy Audits
  • ISO 50001 certification
  • Display Energy Certificates (DECs)
  • Green Deal Assessments (GDAs)

The actual audit methodology can vary depending on the organisation and the agreed objectives with your Lead Assessor. As long as 90% of your total energy consumption is covered, you can use elements from other approaches to gather the relevant data and meet the requirements for compliance.

An ESOS compliant energy audit must meet these criteria:

  • It must be based on 12 months’ verifiable data
  • It must analyse the participant’s energy consumption and energy efficiency
  • It must identify energy saving opportunities

Why do I have to be compliant?

  • Penalties for non-compliance – Failure to comply with ESOS Phase 2 requirements before the December 5th deadline incurs a penalty of up to £50,000, and regulating bodies have the authority to publicly publish the details of non-compliant organisations.

  • Increase your energy efficiency – Complying with ESOS also allows organisations to be more aware of their energy consumption. The scheme is designed to encourage regular audits and make it easier for businesses to take action.
  • Deliver substantial savings – ESOS compliance is more than an administrative task. It can help you find and deliver long-term savings – allowing time and resources to be reinvested elsewhere, improve overall efficiency, and add value to the business.

Our Mission

to use IoT technologies and data driven strategies to reduce carbon, costs and improve the working environment in all facilities.

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