Energy Savings Opportunity Scheme (ESOS) Factsheet

Find out what The Energy Savings Opportunity Scheme (ESOS) is and whether your organisation is required to comply.

What is ESOS?

The Energy Savings Opportunity Scheme (ESOS) has been established in the UK to meet the requirements of the EU Energy Efficiency Directive. The Environment Agency is the scheme administrator.

ESOS is a mandatory energy assessment, which should also identify energy savings for participating organisations. The scheme aimed at ‘large undertakings’, as defined below.

Does it affect my organisation?

ESOS is relevant to ‘large undertakings’. Large undertakings are defined as having:

  • ≥250 employees;
  • or <250 employees, but you have an annual turnover exceeding £38,937,77 and an annual balance sheet total in excess of £33,486,489.

These numbers must be calculated using a financial year which ended within the 2014 calendar year.

How do I comply?

If your organisation qualifies for ESOS using the above criteria, but is fully covered by ISO50001, you won’t need to carry out an ESOS assessment. You just need to notify the Environment Agency that you are compliant with ESOS.

For those organisations who aren’t covered by ISO50001 there are three alternative ways in which you can assess your current energy consumption in compliance with ESOS:

  • Dedicated ESOS Energy Audits
  • Display Energy Certificates (DEC’s)
  • Green Deal Assessments

Any one of these audits should be shown to cover 90% of your total energy consumption as an organisation. This includes all buildings that you’re responsible for, and any fleet vehicles. For the majority of cultural organisations that fall into the scope of ESOS, the energy you consume in your buildings will almost certainly account for 90% of your total energy consumption.

You’ll need to decide which of the three audits above you’ll use in order to become compliant with ESOS. Once completed, your energy audit must subsequently be assessed by a qualified ESOS assessor to ensure that it fully satisfies the requirements of ESOS. Your ESOS assessor will submit your verified energy audit to the Environment Agency, ensuring your compliance with ESOS.

Julie's Bicycle recommends that the most cost efficient way of complying with ESOS is through the provision of Display Energy Certificates within your buildings.

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