World Sustainable Energy Days 2026

Name: World Sustainable Energy Days 2026
Start: 2026-02-24
End: 2026-02-27
Location: Wels

ConferenceSustainable Energy, Energy Transition, Climate Neutrality, Energy Efficiency, Renewable Energy, E-MobilityIn-personAnnual

Wels, AT24 Feb 2026 – 27 Feb 20264 days

Delegates

650+

Countries

60+

Duration

4 days · 24 Feb 2026 – 27 Feb 2026

Frequency

Annual

About this congress

The World Sustainable Energy Days (WSED) 2026 is a leading annual conference on the energy transition and climate neutrality, focusing on policies, technologies, and business models to increase competitiveness and make energy more affordable. It brings together experts, policymakers, innovators, and enthusiasts to discuss and showcase cutting-edge developments in sustainable energy, energy efficiency, renewable energy sources, smart energy systems, and green building technologies. The event aims to accelerate Europe's move toward becoming the first climate-neutral continent and strengthen energy independence. It includes multiple dedicated conferences, workshops, poster presentations, and runs in parallel with a major sustainable energy tradeshow, 'WeBuild – Energiesparmesse'.

Data completeness: 89%Bronze

Key details

City & country: Wels, AT
Dates: 24 Feb 2026 – 27 Feb 2026
Duration: 4 days
Frequency: Annual
Format: In-person
Rotation pattern: Fixed
Commercial type: ConferenceTradeshowB2B
Official website: www.wsed.at — register free for link access

Who attends

Business actors engaged in the energy transition (energy companiestechnology and equipment companiesservice providersplannersdevelopersfinancing community)the energy research communitypublic sector representatives (eEU institutionsnationalregional and local governmentsenergy agencies)expertspolicymakersinnovatorsand enthusiasts

Programme

Tracks

European Pellet ConferenceEnergy Efficiency Policy ConferenceIndustrial Energy Transition ConferenceEuropean Energy Efficiency ConferenceSmart E-Mobility ConferenceYoung Energy Researchers ConferenceEnergy Communities WorkshopInnovation Workshops

Networking events

Poster Presentation

Host city history — 3 congresses since NaN

NaNWelsAT

2025WelsAT

2024WelsAT

Europe

AT ×3

Based on the rotation history, the next congress is likely to move to a different region. Wels has hosted 3× (NaN, 2024, 2025).

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