Are you missing out on your ESOS compliance?

Are you missing out on your ESOS compliance?Are you missing out on your ESOS compliance? It is not the most traditional thought on New Years Eve but 31 December 2018 has a special significance.

You must take part in ESOS (Energy Savings Opportunity Scheme) if your organisation qualifies as a large undertaking on the qualification date.

The qualification date for this second ESOS compliance period is 31 December 2018.

You can work out if you are an ESOS Participant by determining whether you are a large undertaking, which is any UK undertaking that meets either one or both of the conditions below: 

  • it employs 250 or more people, or;
  • it has an annual turnover in excess of 50 million euro (£38,937,777), and an annual balance sheet total in excess of 43 million euro (£33,486,489)

All financial metrics are based on figures provided by the Environment Agency guidance in 2014 & may be varied in the future.

Additionally, you must take part in ESOS if your undertaking is part of a corporate group which includes another UK undertaking that meets either of these conditions. Where a corporate group participates in ESOS, unless otherwise agreed the highest UK parent will act as a ‘responsible undertaking’ and be responsible for ensuring the group as a whole complies.

The definition of a large undertaking includes an overseas (non UK registered) company with a UK registered establishment which has 250 or more UK employees. The UK registered establishment of an overseas company will also need to take part in ESOS, regardless of its size, if any other part of its global corporate group activities in the UK meets the ESOS qualifying criteria.

My consultancy has extensive experience of the first ESOS Compliance period and can offer a tailored and cost-effective package based on your energy and compliance requirements.

Comment on this post to move forward with your ESOS energy audit and assessment.


  1. Review your organisation’s size and financial metrics to determine whether it is obligated as an ESOS Participant.
  2. Consider the timing of your energy audit within the Phase 2 period: (31 December 2015 up to before 5 December 2019 – The ESOS Compliance Date).
  3. Contract with your ESOS Lead Energy Assessor to ensure that they are able to complete your ESOS energy audit and assessment well before the 5 December 2019 compliance deadline.
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