Delivering the fundamentals of life

We are dedicated to ensuring that everyone has access to clean, affordable energy and water

Our Work

What We Do

Through ingenuity and technological innovation, we deliver energy and water solutions that are state-of-the-art and sustainable.

Our solar power solutions and services cover the entire lifecycle of photovoltaic power plants.

We offer comprehensive clean water solutions, from treatment services to the management of wells and other resources.

We take a holistic approach to our work, within our companies and as a group, offering solutions that can be delivered separately or as an integrated package.

This allows us to meet the complete needs of our customers and takes us closer to our vision of a world where energy and water - the fundamentals of life - are clean, safe and accessible to all.

Our Values

How We Work


We think creatively to deliver solutions and actualise our vision.


We prioritise the health and well-being of everyone impacted by our work.


We understand the importance of foresight and long-term thinking.


We believe it is our responsibility to enrich every community we are a part of.


We operate with honesty and respect, and we never compromise our values.

Our story

Photon Energy Group Milestones


Photon Energy is founded. We are listed on the NewConnect market of the Warsaw Stock Exchange.


We construct PV power plants across Europe with a combined capacity of 44 MWp.


We establish our office in Australia. We establish our new corporate HQ in the Netherlands.


We are listed on the Frankfurt Stock Exchange.


We install our first solar storage system in Australia.


We establish our office in Romania.


We are listed on the Prague Stock Exchange. Photon Water Technology is founded, expanding our activities to water treatment, management and remediation solutions.


We establish our office in Hungary. Our second corporate bond is listed on the Frankfurt Stock Exchange. We enter a joint venture with Canadian Solar to develop a 1.14 GWp Australian project pipeline.


We establish our office in Peru. We secure our first long-term project financing for plants in Hungary with a combined capacity of 11.5 MWp.


We secure development approval for the construction of Gunnedah Solar Farm, a 150 MWp facility in Australia.


51 plants are connected to the grid in Hungary, expanding our proprietary portfolio to over 60 MWp.


Our shares are listed on the regulated markets of the Warsaw, Prague and Frankfurt Stock Exchanges and we revitalise our brand, bringing Photon Energy and Photon Water under the banner of Photon Energy Group.

Our team

Who We Are

Our leadership team works alongside over 140 colleagues around the world.

Upcoming events

Meet With Us


We want to share our story

If you are a member of the media and would like to learn more about us, please get in touch.

Martin Kysly

Head of Marketing and Corporate Communications

+420 774 810 670


Brand Assets

Download our logos, images and other media.


Jobs at Photon Energy Group

We are always looking for talented people who share our values and believe in what we do.

Open Positions

Georg Hotar

CEO and Co-founder

Georg co-founded Photon Energy in 2008 and was the company’s CFO until 2011. In that year he was appointed CEO and has since spearheaded the group’s expansion in Europe and overseas.

Georg has extensive knowledge of the solar energy industry as well as in international finance. Before Photon Energy, Georg established Central European Capital in 2000, a regional finance and strategy advisory boutique. He has also held various positions in financial services in London, Zurich and Prague.

Georg is an Austrian national and holds a Masters in Finance from the London Business School.

LinkedIn profile

Michael Gartner

CTO and Co-founder

Michael developed one of the first large photovoltaic installations in the Czech Republic before co-founding Photon Energy in 2008. Michael was CEO of Photon Energy until relocating to Australia to start Photon Energy Australia in 2011. Apart from growing the Australian business, Michael is instrumental in driving Photon Energy’s off-grid and solar-hybrid power solutions.  

Before Photon Energy, Michael ran an investment boutique arranging Eurobond issues and offering sell-side M&A advisory. Between 1994 and 2004, he was an analyst and head of fixed income sales at ING and Commerzbank Securities in Prague. 

Michael is an Australian and Czech national and holds an MBA from the US Business School in Prague.

LinkedIn profile

Clemens Wohlmuth


Clemens is responsible for running the financial activities and strategies of Photon Energy Group. He joined the company in 2012, bringing with him many years of experience in financial management.  

Beginning in 2008, he ran his own consulting practice focused on financial services and interim management. Prior to this, he was appointed CFO at Telekom Austria’s Czech subsidiary, Czech On Line, where he was promoted to COO in 2005 and CEO in 2006. From 1994 to 2000 he was Senior Manager for Ernst & Young Consulting in Austria and worked on several reorganisation projects in the manufacturing and energy sectors in Central Europe. 

Clemens is an Austrian national and holds a master’s degree from the University of Economics in Vienna.

LinkedIn profile

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