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ESOS is a mandatory energy assessment and energy saving identification scheme for large organisations in the UK. It requires the organisation to measure its total energy consumption, including within buildings and transport usage, conduct energy audits to identify cost-effective energy saving recommendations, and report compliance to the Environment Agency.

Compliance with the second phase of the scheme must be completed and reported to the EA by 5 December 2019.

Non-compliances, such as failure to submit the compliance assessments on time, can incur a variety of penalties from the EA for the non-compliant company. These can range from publication of non-compliance on the EA’s website, to a £50,000 fixed penalty plus £500 per day.


Qualification Threshold

ESOS applies to UK organisations and their corporate groups that are large enough to meet the qualification criteria. The qualification thresholds are:

  • any UK company that either:
  • employs 250 or more people, or
  • 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)
  • an overseas company with a UK registered establishment which has 250 or more UK employees (paying income tax in the UK)


How STC Can Help

STC provide a compliance service that encompasses all required aspects of the ESOS Assessment. These include:

  • Provision of a qualified ESOS Lead Assessor to complete, oversee or review any Energy Audits, to ensure they meet the requirements of ESOS, and to sign off on the overall ESOS compliance submission
  • Collation of annual energy consumption, ensuring that this overlaps with the qualification date as required by ESOS
  • The identification of the ‘areas of significant energy consumption’, ensuring that these cover the minimum of 90% of total energy consumption
  • Advice on the best compliance method for each area of significant consumption
  • Site visits as required to conduct ESOS Compliant Energy Audits
  • Provision of full Site Energy Survey reports detailing all energy efficiency improvements available, and where they would be applicable to a larger portfolio, if required
  • Full energy consumption profiling, made available in a variety of formats and reports from STC’s advanced energy reporting system
  • Creation and maintenance of a comprehensive Evidence Pack to store all relevant documents and information relevant to the organisation’s compliance activities

Please call the Energy Team at 020 8466 2950, and we will be happy to discuss further. 



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