Stay tuned for #eehack2020 (22/23 March 2020 in Berlin):


Take a look back at #eehack2019

Yes – we did it! Over 180 people from various backgrounds gathered together for 24 hours at the Alte Münze, Berlin to tackle 4 energy efficiency challenges at the #eehack2019

Go to the gallery to check out more fotos.

And the winner is...

16 ambitious and inspiring teams presented their ideas in the final pitches.
The jury weighed in and chose the most convincing ideas.

See our overall winner and the list of winners in the respective categories

Hack for a sustainable future

For 24 hours (and beyond ) become part of humanity’s most exciting challenge:
creating a sustainable energy future to fight climate change.
130 engineers, coders, designers, psychologists and entrepreneurs
will gather in Berlin-Kreuzberg on 6 March to hack on 3 of
the most important and complicated energy efficiency challenges to create well-researched and (somehow) tested concepts with possible further follow-up development for winning ideas!

Not from Berlin? Send your CV until 20.02.2017 to to win 1 of 10 travel packs.

Learn more


Each team picked one of four challenges:

Energy Efficiency in Supermarkets

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Energy Efficient E-Mobility

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Energy Efficiency In Buildings

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Energy Efficiency in Industry

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Prizes and Follow-up opportunities

At the end of the hack, you will pitch your concept to our jury.
To convince them you will need to combine user, business and tech insights.
                                      Each challenge comes with a special prize and great follow-up opportunities to further develop your ideas with the challenge partners.
And we put more cool stuff into the winner's box: non-cash prizes worth 2500€ (powered by Deneff)
and tickets for the Start Up Energy Transition Tech Festival (powered by dena).

Learn more

Mentors and partners

The teams were supported by first class coaches
with design thinking, engineering or business backgrounds.
Our partners and sponsors were there to help them with technical advice.

Learn more

After the #eehack2019 is before the #eehack2020

The #eehack2020 will take place on 22 & 23 March 2020 in Berlin – more information will be soon available on this website or write an email to to stay updated!