OPET Network (European Commission) Energy industries -- Technological innovations -- European Union countries Energy development -- European Union countries Renewable energy sources -- Research -- European Union countries

Renewable energy sources -- European Union countries -- Technological innovations -- Case studies Technology transfer -- European Union countries -- Case studies Export marketing -- European Union countries

Renewable energy sources -- European Union countries

Renewable energy sources -- Research -- European Union countries Energy conservation -- Technological innovations -- European Union countries Energy industries -- European Union countries Energy development -- European Union countries