WSED 2024
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WSED programme, register today!
World Sustainable Energy Days: register today!

The World Sustainable Energy Days (WSED) are just around the corner. Join the entire energy transition sector from 5 – 8 March 2024 in Wels/Austria! The WSED are a leading international conference and tradeshow on achieving climate neutrality that attracts 600+ participants from more than 60 countries each year.

2024: Energy transition now – fast, smart, resilient!  

No time like now for the energy transition! New EU targets require a strong push for energy efficiency and renewable energy in all sectors. In 2024, the WSED focuses on how to realise the high policy ambitions and strengthen demand and markets for sustainable energy.

Register online today!


A comprehensive package

The WSED offer a comprehensive package: dedicated conferences, a tradeshow, networking and more. Seize the opportunity to get up-to-date information from international experts, meet and discuss with peers, and learn first-hand about latest product innovations at a tradeshow.


Conferences and events – check out the full conference programme!

  • European Energy Efficiency Conference
  • European Pellet Conference
  • Young Energy Researchers Conference
  • Workshop "Cities and regions – drivers for climate neutrality"
  • Poster Presentation
  • Leading tradeshow on energy and buildings


Present a poster, sign-up by 7 February 2024

Do you have an energy project to share with international energy experts? Take part in the WSED poster presentation. Disseminate your results and increase visibility for your organisation! More information at


Copyright: OOe Energiesparverband

The event is organised by the OÖ Energiesparverband, the Energy Agency of Upper Austria. Upper Austria is a leader region in the energy transition: Through significant increases in energy efficiency and renewable energy, GHG emissions from buildings were reduced by 39 %. 60% of all space heating and 33% of the primary energy already come from renewables.


As cooperation partner of the conference, REHVA encourages you to take part!

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