Arena Zagreb
First in Croatia,
Largest in the Region
Organized by
Arena Zagreb
First in Croatia,
Largest in the Region
Organized by
Entrance is free for visitors with registration.
LAST YEAR EXHIBITORS
Solar Energy
Energy Storage
Nuclear Energy
Power System Flexibility
ESG
E-mobility in Public Sector
GEF 2026 begins in:
On 28.10, the fair is open from 8:30 to 20:00, with the conference program ending at 18:00.
On 29.10, the fair runs from 8:30 to 16:00, with the conference program ending at 14:00.
Following an outstanding Green Energy Fair 2025, which welcomed over 5,000 visitors, featured 100+ exhibitors, 50+ speakers, and was supported by 30+ partners and sponsors, we are proud to announce Green Energy Fair 2026.
Established as the first and largest green energy fair in Croatia and the wider region, GEF delivered extensive national and regional media visibility and became a key meeting point for the renewable energy ecosystem, renewable energy sources, battery storage, e-mobility, sustainable finance, ESG, and long-term regional energy transition strategies, setting the stage for an even more ambitious Green Energy Fair 2026.
More than 120 exhibitors
Prominent speakers
Interactive panel discussion
Educative presentations
Workshops
Free entrance - registration required
Matej Mišić
The President of the Zagreb City Assembly said that this fair is an event that defines Zagreb as a European center of sustainabilit
Timo Player
The Director of the German-Croatian Chamber of Industry and Commerce emphasized that it is an honor and a source of pride for them to be part of this project. “I am happy to see so many companies that share the same vision,” said Pleyer.
Petar Šimić
This fair is a driver of change in the way we consume and think about renewable energy sources. “The future belongs to those who believe in green energy,” said the envoy of the President of the Croatian Parliament.
Tomislav Mihotić
The State Secretary at the Ministry of the Sea, Transport and Infrastructure said that his ministry supports this green, innovative fair, which brings together domestic and international leaders in the field of green energy. “One hundred exhibitors from twenty countries—that is impressive.”
Filip Ćurko
The fair promotes ideas and knowledge that will also enable cities to become more resilient and healthier. Renewable energy sources are no longer the future but the present, and Zagreb wants to be a city that sets standards and a leader in sustainable practice, said the senior expert advisor to the Head of the City Office for the Economy, Environmental Sustainability, and Strategic Planning.
Save this date in your calendar
Don’t forget to save this date in your calendar and make sure you don’t miss out on this event.
28/10/2025
Energy-intensive industry needs domestic energy, the EU solves this through direct agreements
The largest energy fair in the region has so far been visited by more than a hundred exhibitors from 20 countries.
29/10/2025
The largest energy fair in the region has opened: The idea is to show that Croatian companies can compete
The ZG Green Energy Fair will be held tomorrow, it is free for citizens, and they can learn about what numerous companies such as Tesla, Sungrow, Huawei, BYD, Solax, SolarEdge, Fronius, Schneider, Trina Solar, Longi Solara… have to offer in the Arena.
29/10/2025
Zagreb becomes the center of a green future: GEF 2025 at Arena Zagreb
Solar energy and battery storage, charging stations for electric vehicles and smart grids are the focus of the first Croatian fair dedicated to renewable energy sources.
28/10/2025
Who is behind the biggest technology spectacle at the Zagreb Arena?
IN THE CENTER of the gathering of leaders of the green future at the ZG Green Energy Fair stands the Croatian technology company AleDo TECH
01/10/2025
Green Energy Fair at the end of October in Zagreb: What visitors can expect
The Green Energy Fair arrives in Zagreb at the end of October and gathers renewable sources, energy storage, e-mobility and smart solutions for homes and businesses in one place.
03/09/2025
Do solar power plants and e-cars make sense or are they all expensive and unreliable? Find out the answers at Arena Zagreb!
Over two days, on October 29th and 30th of this year, Arena Zagreb will host all key stakeholders in the energy sector.
Conference program
Wednesday, 29.10.2025.
Thursday, 30.10.2025.
8:00
8:30
9:00
9:30
10:00
10:30
11:00
11:30
12:00
12:30
13:00
14:00
14:30
15:00
15:30
16:00
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More info coming soon
Conference program
Not sure where to stay?
Check out the accommodation info and use the Hotel’s code to get a discount.
Register for the hackathon today!
Sign up for one of the biggest hackathons in the field of energy and take advantage of the opportunity that Green Energy Fair 2026 brings!
