ESTA Today

More relevant than ever in its long history
Campaigning to prioritise Energy Efficiency in tackling the Climate Emergency
Highly proactive work stream development for ESTA Members
Greater collaboration with others
A Global approach to Energy Efficiency
Driving innovation
Cross sector co-operation

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About Us

ESTA is the UK authority on energy management, with over 35 years experience dedicated to supporting its members.

We have a long term commitment to reducing energy consumption through the application of technology and expert services. In order to achieve this, we are heavily involved in promoting the economic benefits of energy demand reduction through efficiency and management and provide:

a platform and voice for energy efficiency
a network of service and technology providers with a common goal
an aware, engaged and participative membership
high quality thinking to shape the agenda for the industry.
Strong leadership providing market insight, intelligence and lobbying
Market leading events and training programmes.

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About Us

Latest Member News



From detailed case studies to useful information and energy stakeholders. If you can’t find the answer then Ask ESTA.

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ESTA and...

partnerships and other stakeholders ESTA are involved with


ASPCoP (Automatic meter reading Service Providers Code of Practice)


PMVA (Performance Measurement and Verification Analyst). ESTA is the UK Training Partner for the Performance Measurement and Verification Analyst (PMVA) qualification


bre (building research establishment). Information papers covering all aspects of demand side energy use.


ESTA are members of the Parliamentary Group for Energy Studies and are represented on their Executive Council


ESTA are members of the British Energy Efficiency Federation that holds quartlery meetings with Government Officials discussing upcoming policy changes

ade Demand Side Forum

ESTA is a participant in ade's Demand Side Forum, together with ade members and ACE the Association for the Conservation of Energy. The forum previously known as the Alliance for Energy Management.

What Our Members Say

  • “As the owner and principal in a relatively nascent business, ESTA has provided me with a unique forum that has supported my business and helped it to grow. Through attendance at events and members’ meetings, I have been able to gain valuable insights on the latest industry updates and have been privileged to have been given the opportunity via the ESTA network to present at energy conferences in leading the way forward in the measurement and verification of energy efficiency savings. ESTA has been instrumental in how I have shaped the direction of my company and I would recommend anyone in my position to strongly consider becoming a member.”

    Rajvant Nijjhar, Principal, IVEES Independent Verifiers of Energy Efficiency Savings

Our Groups

ESTA's Groups provide a unique opportunity to network, raise issues and foster business opportunities.

aM&Tg - automatic Monitoring & Targeting group

The aM&Tg is all about achieving that strong foundation of energy data necessary to make informed decisions regarding energy and cost reduction. Its’ values include not only the professionalism which its’ members demonstrate to clients but also a willingness to work with other members so as to form a strong link in what is often a chain or products and services required to effectively take a client from initial measurement to full understanding.

ESCg - Energy Services Contracting group

The group supports the effective, professional and transparent approach to managing Energy Performance Contract projects. Effective: achieving and maintaining significant energy and cost savings in an economically efficient manner. Professional: bringing together experienced service providers to achieve and maintain a good working relationship with customers. Transparent: providing clear and concise information about contractual arrangements and performance - both projected and verified actual - on a regular basis.

IECg - Independent Energy Consultants' group

IECg aims to become the UK’s largest independent Energy Consultancy collective, providing best practice services and advice to energy consumers and furthering the implementation of company-wide energy strategies. Currently, the group has 23 members ranging from sole traders to multi-national organisations.

SBg - Smart Buildings group

The Smart Buildings Group (SBg) formally Lighting and Energy Saving Controls Group (LaESCG) provides a useful forum in which industry peers can discuss upcoming legislation, input into government policy and help educate and provide best practice to the business energy demand side sector.

BCg - Behaviour Change Group

The vision of the ESTA Behaviour Change group is that ‘Cognitive Energy will generate 10% of energy reduction savings through Behaviour Change by 2025/30’ (ie deliver at least 50% of the UK’s clean growth 20% target for energy efficiency).

Our Team

Our Team

Administration and Management

Mervyn Pilley, Executive Director
Denise Shepherd, Training Coordinator
Paul Fitzgerald, Business Development Manager

Technical and Governance

Prof. Martin Fry, Hon. President
Tim Holman, Chair – aM&Tg
Nick Keegan, Chair – ESCg
George Barnes, Chair – IECg
David Jenkins, Chair – SBg

Want to find out more and join ESTA?