Looking for reliable energy saving advice and support?

Need to find an approved ESOS Lead Assessor?

Ask the experts!

Developed by the Energy Institute - the leading chartered body for professionals working in energy - Energy Efficiency is a practical hub to help you find effective energy savings and solutions for your business.

Whether you are looking for help with ESOS, want to find a Lead Assessor, reduce your organisation's energy costs or simply find ways to reduce your impact on the environment, we can help.Get ready for ESOS and find a Lead Assessor.

Not sure what you need to do under ESOS legislation?

The ESOS section of the site gives you information on how to find a Lead Assessor, plus ESOS news, key dates and what ESOS means for your business.

You can also access our ESOS resources including: EI's ESOS Briefing, ESOS FAQs, ESOS Webinar materials, Energy Efficiency Update and ESOS full details.


Learn more


Need advice on the energy savings you can make?

RPEC is the expert energy consultants register - all RPEC registered consultants are approved to act as ESOS Lead Assessor. Find a consultant or use our free 20 minute consultancy service and find out how RPEC can help your business achieve substantial energy savings.

If you want to register as an RPEC consultant, or find out more about the standards you'll need to meet, visit the Consultants section.

Learn more


Want to do it 'in house'?

Energy managers advise on energy as part of an in-house staff team. The EI is the only body in the world able to award the title Chartered Energy Manager and the members on our register of Chartered Energy Managers have also been approved to act as ESOS Lead Assessors.

Learn more


Want more support?

The EI is running training courses to support organisations participating in ESOS. Preparing your organisation for ESOS will help staff involved in carrying out the ESOS process. ESOS for senior managers is for those signing off ESOS on behalf of their organisation.

Learn more