The Members of EREC represent the following renewable energy sources:

• Bioenergy
• Geothermal Energy
• Hydropower
• Photovoltaics
• Solar Thermal
• Solar Thermal Electricity
• Wind Energy

Furthermore, EUREC Agency (European Renewable Energy Research Centres Agency) strengthens and rationalises the European research, demonstration and development efforts in all renewable energy technologies.

EREF, the European Renewable Energies Federation, is the voice of independent producers of distributed electricity, heat and fuel from all renewable energy sources and related industry. EREF defends the interests of independent, decentralised power, fuel and heat producers from renewable sources ,  promotes non discriminatory priority access to the energy grids and market, engages for robust national RES policies and support mechanisms, favouring well designed Feed-In mechanisms.