The Energy Savings Opportunity Scheme (ESOS) is a mandatory energy assessment and audit scheme for large organisations in the UK. It requires eligible businesses to conduct comprehensive energy usage audits every four years, identifying energy-saving opportunities across buildings, processes, and transportation.
At CES, we help you meet ESOS obligations efficiently and on time. From site audits to reporting, we handle the entire compliance process, allowing you to focus on your operations with complete confidence that nothing is missed.
You must comply with ESOS if your UK organisation meets any of the following:
Failure to comply can result in significant fines and reputational damage, but CES makes compliance easy.
6th August 2024
Phase 3 deadline
5th March 2025
Action Plan submission extension
5th December 2025
Phase 4 progress update
5th December 2026
Phase 4 subsequent progress update
5th December 2027
Final ESOS Phase 4 Submission
CES provides a fully managed ESOS compliance service designed to simplify every step of the process:
We confirm whether your business qualifies for ESOS and which sites fall under the scope.
We gather and review your energy consumption data across buildings.
Our consultants conduct energy audits in accordance with ESOS guidance.
Our consultants highlight realistic and cost-effective energy-saving opportunities tailored to your operations.
We prepare your ESOS report and Action Plan for submission to the Environment Agency, ensuring it meets all legal requirements.
Our consultants can help you turn insights into action by advising on the following steps to take.
Meeting your ESOS obligations isn’t just about avoiding penalties. At CES, we help you unlock the full benefits of compliance by turning insights into action.
ESOS assessments highlight areas of energy waste — helping you identify savings across buildings, processes, and transport. Even small changes can result in significant cost reductions over time.
You gain a clearer picture of your energy efficiency by analysing how and where you use energy. This insight supports better decision-making and long-term planning.
The energy-saving opportunities identified in your ESOS audit can form the foundation of your carbon reduction or Net Zero strategy, helping you meet future sustainability targets.
Failing to comply with ESOS can result in fines of up to £50,000 and daily penalties. Timely compliance protects your business from legal and reputational consequences.
If your organisation is affected by ESOS, don’t leave it to the last minute. CES can help you meet your legal obligations and uncover valuable energy-saving opportunities in the process.
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