The green technology wave

Your guide to green technologies of the future

From renewable energy and smart infrastructure to the circular economy: find out which innovations are driving change and how businesses can benefit from them. Sustainability is no longer merely a matter of image, but the key driver of long-term economic success. Discover strategic approaches and technological tools to make your own business future-proof and climate-neutral.

ublikum aus der Rückansicht auf dem Käpsele Innovation Festival in Freiburg. Eine große Gruppe von Menschen steht in einer abgedunkelten Veranstaltungshalle und blickt auf eine riesige, hell erleuchtete Leinwand, die eine Luftaufnahme eines modernen Technologieparks zeigt. Am Rand der Bühne stehen vereinzelt Personen neben kleinen Tannenbäumen.

Your day on the Käpsele

Raphael Gielgen (Vitra) gives a no-holds-barred insight into how modern working environments are evolving worldwide. If you don’t listen to this, you’ll lose your best people tomorrow.

Where: Haufe Group Stage

The AI era presents us with a challenge. Rather than dogma, the future now calls for critical thinking, intuition and empathy. A thought-provoking talk on how we can shape this transformation with both our minds and hearts – courageously, humanely and with confidence.

Where: Haufe Group Stage

Make the most of this opportunity to try out green tech projects for yourself. 

Our recommended experience stations:

They say the dead live longest: does the German solar industry still stand a chance against China’s market dominance? Drawing on the example of the successful Freiburg-based start-up NexWafe and the latest insights from Fraunhofer ISE, this panel will examine the state of the energy transition on our doorstep. An exciting deep dive into global market pressures, innovation and genuine competitiveness.

Where: Haufe Group Stage

Those who make decisions faster are building the future! Joe Kaeser (Siemens Energy & Daimler Truck) challenges the risk aversion prevalent in business and politics. A thought-provoking talk, rich in analytical depth, on the willingness to take responsibility and courage as strategic resources in uncertain times.

How Europe’s businesses are picking up speed again. Understand the strategic pain points of established corporations – that’s exactly where your sales pitches come in.

Where: Haufe Group Stage

From theory to practice: in this interactive session, sustainability becomes tangible. Working in three groups, participants will analyse emissions data, interpret CO₂ equivalents and develop concrete measures to reduce CO₂ emissions. Go home not just understanding carbon footprints, but able to calculate them yourself.

Where: Zukunft.Raum.Schwarzwald Iglu

Between climate targets and industrial competitiveness: the question of tomorrow’s energy supply has long been a matter of economic advantage. This panel brings together technology-neutral perspectives from traditional industry, smart energy systems and new nuclear energy concepts to set the course for a secure and sustainable energy supply.

Where: machn Bühne

From intention to action: decarbonisation is not a topic for the future – it starts now. In this interactive masterclass, Sofia Goncalves da Silva and Christoph Armbruster (badenova Wärmeplus) will show how the green transition can be successfully achieved in practice. Using real-life projects as examples, you will learn how decarbonisation can be implemented pragmatically, economically and step by step within your own organisation, taking regional conditions into account.

Where: FWTM Iglu

The hour of the lions strikes at 6 pm! Four brave start-ups will take to the stage to present their visions and face the investors’ tough judgement. A gripping show about the perfect pitch, strategic questions and deciding which idea has what it takes to be the next big market success.

Where: Dr Falk Pharma Stage

Presentation of the Baden-Württemberg Start-up Award and a major networking party. Make contacts at the intersection of medicine, AI, industry and venture capital.

Where: Haufe Group Stage

Bonus

Green Deep Dives on day 2!

Your Käpsele ticket is also valid for 17 July! On this extra masterclass day, you’ll gain practical insights into the green technologies of tomorrow:

Our masterclass recommendation:

EU Funding Booster for your Innovation
Date: 17 July 2026
Time: 11:00 – 11:45

Implementing the circular economy – from product sales to extended value creation
Date: 17 July 2026
Time: 13:00 – 13:45

Where: Lokhalle Freiburg

Viele Menschen sitzen und stehen in einer großen, modern gestalteten Industriehalle mit Sesseln, Holztischen und einer „INFOBAR“ im Hintergrund unter einer Deckenkonstruktion mit zahlreichen Hängelampen und Kabeln.
Jetzt Eraly Bird Tickets Käpsele 16.07.2026 sichern

Your ticket options

  • The Gourmet Ticket: The top choice for both days for GreenTech pioneers, sustainability managers and forward-thinking entrepreneurs. Includes excellent all-inclusive catering for undisturbed professional discussions and networking during the breaks.
  • The Self-Catering Ticket: Full access to both days, all GreenTech experience stations, top-class talks, podcast panels, masterclasses and pitches. Perfect for doers who want to stay flexible and experience the full programme.

Secure your ticket now

Plan your day just the way you like it

Auf dem Bild sind drei Personen abgebildet, welche auf einer Bühne sitzen und ein Gespräch führen.
Stage programme

Our varied programme of talks, debates and keynote speeches. Here you’ll find full details of the speakers and the full schedule for your day.

To the stage programme

Das Bild zeigt eine Frau mit einer aufgezogenen VR-Brille
Interactive stations

Experience innovation first-hand at our interactive stands. Discover the 15 interactive stations that make the festival an unforgettable journey into the future.

To the experience stations

Das Bild zeigt eines der Iglus aus Vogelperspektive
Masterclasses

Your registration includes access on both days of the festival, with all masterclasses already included in the ticket price. 

2 days of masterclasses