National energy agency
| Energy Saving Trust - EST |  |
www.est.org.uk | Energy efficiency, National energy agency, United Kingdom | English |
| French Environment and Energy Management Agency - ADEME |  |
www.ademe.fr | France, National energy agency | English, French |
| European Heat Pump Network - EHPN |  |
ehpn.fiz-karlsruhe.de | Europe, Renewable energy, Specialized networks | English |
| Energy Institute "Hrvoje Pozar" - EIHP |  |
www.eihp.hr | Croatia, National energy agency | English, German, Croatian |
| The German Energy Agency - DENA |  |
www.dena.de | Germany, National energy agency | English, German, Chinese, Russian |