EFIEES’ purpose is to promote the activities of Energy Efficiency Services Companies (EESCs) in the European Union


News | 16/05/2018

Press Release - Study Highlights Sound Primary Energy Factor Approach Needed to Inform Consumers on the Real Efficiency of Heaters

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EED Trilogue - EFIEES signs a joint briefing paper on EU Primary Energy Factor calculation methodology for electricity

The EU Primary Energy Factor for Electricity (EU PEF) value of 2.0, proposed by the European Commission in the 2016 review of the Energy Efficiency Directive (EED), reflects several inaccurate methodo

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Joint Letter: EU Primary Energy Factor for Electricity: Key for Efficient and Renewable Heat in Europe

In a joint letter co-signed with AEBIOM, COGEN Europe, EGEC Geothermal, Euroheat & Power and Solar Heat Europe, EFIEES asks EU negotiators to: Set an average EU Primary Energy Factor for el

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Who Are We ?

The purpose of the European Federation of Intelligent Energy Efficiency Services (EFIEES) is to promote the activities of Energy Efficiency Services Companies (EESCs) in the European Union. EESCs design and implement practical measures to improve the energy efficiency of their customers by means of long-term contracts. Their objective is to optimise the energy management of end-users.


EFIEES is made up of two types of members: organisations and companies, with 12 members currently that place their trust in the EFIEES. They come from:

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Optimum energy management, the operation and maintenance of all kinds of equipment Read More


The aim of the EFIEES is to promote the work of Service Provider Companies working in Energy Efficiency (SSEEs) within the European Union. Read More


Bernard Thomas

Valérie Plainemaison
General secretary

Alessia Endellini
Policy Officer

Jérémy Cléro
Project & Communication Officer