ESOS Phase 2

"The engagement throughout has been superb. Advice over the phone and the comprehensive nature of the site engagement was exemplary." Ian Flavill, Coller Capital

Client: various

Location: UK

The Energy Savings Opportunity Scheme (ESOS) is a UK Government operated mandatory compliance program for large businesses and organisations. The overall aim of ESOS is to reduce energy consumption and carbon emissions of large organisations by identifying cost-effective energy saving measures.

As an accredited ESOS Lead Assessor, ITPEnergised successfully led multiple clients through their entire ESOS (Phase 2) compliance process.

Our Role:

Key areas of expertise held by ITPEnergised which enabled effective delivery of ESOS projects:

  • Calculation and estimation of an organisation’s total energy consumption.
  • Building and transport energy auditing.
  • Analysis of energy consuming processes and transport activities.
  • Identification of Energy Management and Energy Efficiency measures to reduce client energy consumption and carbon emissions.
  • Calculation of the overall potential energy, carbon and financial savings.

Our ESOS clients cover a diverse range of sectors including:

  • Aggreko (Energy and Manufacturing)
  • Wheatley Group (Property)
  • Millennium & Copthorne Hotels (Property)
  • Tennent Caledonian Breweries (Manufacturing)
  • Proserv (Oil & Gas)


In providing our energy saving expertise, we have identified the following combined annual savings for our ESOS clients:

  • ESOS Energy Savings = 21,764,266 kWh.
  • ESOS Carbon Savings = 5,337 tonnes of CO2e.
  • ESOS Financial Savings = £1,744,496.

Download the case study PDF here.