STHEC – unleash your creativity

STHEC – the Sustainable Technology Hub Ecosystem Challenge – is a two-day hackathon focused on solving common ecosystem challenges by connecting students, companies, universities, universities of applied sciences together in an ecosystem of co-creation.

The 2023 edition of STHEC was organised at Wärtsilä´s Sustainable Technology Hub in Vaasa on the 21-22 February by Wärtsilä in collaboration with Danfoss, Wasaline, Hitachi Energy, Vaasan Sähkö and the City of Vaasa.


What is it?

An innovation challenge for students enrolled in a University or University of Applied Sciences in Finland, where they get to solve real challenges provided by companies and organizations under the Energy Academy collaboration.

An event where we connect students, companies and professionals together.

A showcase of how it is to work in an ecosystem of different players and co-create new solutions together.


How is it done?

You apply to participate in STHEC and rank the available challenges in your preferred order.

The selected students are grouped into teams based on their study programmes and their preferred challenge. We aim to make the teams as diverse as possible.

Teams ideate and come up with innovative solutions to the challenges while using all the services provided in the event ecosystem.

The teams pitch their ideas in a Shark Tank.


What´s in it for you?

A chance to network with other students, professionals and companies. A possibility to get your foot inside the door.

The winning team of STHEC will automatically receive invites for summer job interviews at one of the organizing companies. We also have lots of other fun prizes that can be won during the event!

A possibility to unleash your creative side and ideate while making new friends.



Challenges 2023

STHEC 2023 had three common Ecosystem challenges.
These were:

  1. Decarbonisation: Decentralised green energy production
  2. Rebuild trust and reputation in an unstable environment
  3. The future of Energy Academy: A competent and prosperous Vaasa


We would like to warmly thank everyone who applied and participated in STHEC 2023.

At the moment we do not accept applications for STHEC. When the next STHEC is under planning and announced, application will be opened again on this page.

See you again soon!


Previous STHEC years

STHEC was for the first time arranged in 2019 and for the second time, as an online event, in 2021.

In 2023 STHEC was arranged at Wärtsilä´s new Sustianable Technology Hub. The event had around 60 students participating and the winners were offered summber job interviews at all organizing companies and Wasaline cruise tickets.


Energy Academy

The Energy Academy is a network of companies, universities and universities of applied sciences in the Vaasa region. Its´ aim is to attract and maintain competence in our region by offering possibilities for students and companies to collaborate.

Partners of the Energy Academy are: Hanken School of Economics, University of Helsinki, VAMK Univeristy of Applied Sciences, University of Vaasa, Novia Univeristy of Applied Sciences, Åbo Akademi University, ABB, Danfoss, EnergyVaasa, Hitachi Energy, Merinova, City of Vaasa, Vaasan Sähkö, VASEK and Wärtsilä.



Do you have any questions regarding this event? You can contact us on the address