| Location | Wels, Upper Austria, Austria |
| Date | 4 - 6 March 2020 |
| Contact | OÖ Energiesparverband |
| Keywords | sustainable development,energy,Sustainable, |
| Website | http://www.wsed.at/en/world-sustainable-energy-days.html |
| Description | The WSED conference attracts over 660 participants from over 50 countries each year. The event offers up-to-date information on markets, policies, technologies, business models & research and focusses on energy efficiency & renewable energy. |