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DECC guide to implementing ESOS

By March 31, 2016January 26th, 2021Member News & Updates

The government’s Energy Savings Opportunity Scheme (ESOS) requires large undertakings and their corporate groups to measure and submit energy audits every 4 years. Those who missed the first round of deadlines are now at risk of 5-figure fines being imposed. Read more.

Your ESOS assessment will provide you with a comprehensive list of your energy saving opportunities. We recommend businesses use the audits to inform and improve their energy strategy.


You can download the full Department of Energy & Climate Change (DECC) guide here, but we have also summarised it below:

“The next steps businesses can take to maximise the impact and return on investment of ESOS assessment…”

1.  Analyse the report:

  A robust financial appraisal of the opportunities, presented in a framework readily understood within your business
  The project’s ease of implementation
◊  Align it with business objectives and policies
  Assessment of the project’s risks, considering strategies in place to mitigate them
◊  An comprehensive analysis of the benefits the project will deliver. This will vary depending on your required investment and complexity of the opportunities presented in the audit.

“On average, a business can reduce its annual energy costs by 20% through improving energy efficiency and energy management” – The Carbon Trust.

2. Create a business case

Consider factors such as:

◊  Overall savings and rate of return
  Cost of implementation
  Investigate potential sources for finance
  Depending on the complexity of the project, you may want to decide on specifications
  Coherence with other planned organisational changes
  Understand the implications of changes, E.g. lighting (health and safety), heating (comfort of staff)
◊  Align the project with your business cycle, for example obtaining sign-off before the budget is finalised for the next financial year
  Find related case studies for businesses implementing
  Mitigating risks

“Relating your business case to strategic considerations will help define the business need and underline the value of the investment to your organisation”

3. Develop a detailed project implementation plan

  Identify suppliers
  Choose appropriate equipment
  Find installers (if necessary)
  Secure finance
  Undertake the installation process
◊  Adapt processes and conduct training for appropriate operation of the equipment
  Implementation schedule, monitoring and scheduling

“Successful companies have identified allocating the right resource and allowing sufficient time to complete the business case as key success criteria”

4. Monitor and verify the performance of your project
Allowing you to identify, report and fix problems early on, track overall performance against objectives and provide evidence for future investment opportunities.


It is also not unusual to save 5-10% with minimal capital expenditure. Even when more substantial investment is required, energy saving opportunities regularly outperform most other investment opportunities that a business has.

“Cutting your energy costs is one of the most straightforward ways for your business to improve its bottom line”


Compelling financial return:

♦  Cost reduction: Save money and manage risks by reducing your operating costs and exposure to future energy price increases
♦  Enhance productivity, competitive advantage and market position

♦  Demonstrates innovation/ being at the cutting edge of technology
♦  Exploit new and growing market opportunities
♦  Improved environmental performance
♦  Reduced emissions and carbon footprint
♦  Enhanced reputation and public relations advantage


The cost of inaction can be presented in avoidable losses generated by delaying/ avoiding implementation of the energy efficiency opportunities.



Not only can we complete the audits for businesses (if you’ve missed the deadlines, you still have to act), we can fully implement and integrate the recommended solutions.

Our engineers will work with you to achieve the most cost-effective solutions.

Call us on 01752 262626, email i[email protected] or fill in your details here.