| energypedia | Link |
| Bundesverband Solarwirtschaft (BSW) | Link |
Alliance for Rural Electrification | Link |
| Green Solar Academy | Link |
| KW Neun | Link |
| Afrikaverein der deutschen Wirtschaft | Link |
Landesverband Gross- und Außenhandel | Link |
Photon International Magazine | Link |
Sun and Wind Energy | Link |
Photovoltaik: Das Magazin für Profis | Link |
| University of Hohenheim | Link |
Amnesty International | Link |
PV Magazine | |
Solar Cooling Engineering | Link |
| SelfChill | Link |
