Energy Savings Opportunity Scheme (ESOS)
ESOS is a mandatory energy assessment scheme for organisations in the UK that meet the qualification criteria. The Environment Agency in England is the UK scheme administrator.
Compliance checks and auditing of the scheme is carried out by the UK regulators.
The UK regulators are:
- Environment Agency for organisations whose registered office is in England
- Natural Resources Wales for organisations whose registered office is in Wales
- Northern Ireland Environment Agency for organisations whose registered office is in Northern Ireland
- Scottish Environment Protection Agency for organisations whose registered office is in Scotland
- Secretary of State for Department for Energy Security and Net Zero for organisations whose activities consist wholly or mainly of offshore activities
More information about the scheme can be found on these UK Government web pages.