A strategic partnership for digital energy and CO₂ management in industry.
Possehl Digital acquires stake in OPTENDA GmbH
This article has been translated for your convenience using machine translation. Reasonable efforts have been made to provide an accurate translation. The official text is the German version of this content.
Lübeck/Essen, May 7, 2025 – Possehl Digital is acquiring a stake in OPTENDA GmbH, one of the leading providers of digital energy and CO₂ monitoring. OPTENDA GmbH was previously a wholly owned subsidiary of the Steag Iqony Group. Together, the three partners want to accelerate the digitalization of energy and CO₂ solutions in the industrial SME sector and beyond.
OPTENDA GmbH offers established SaaS solutions for energy and CO₂ monitoring for industrial and commercial customers. With this investment, Possehl Digital is pursuing the goal of transferring this expertise to the Possehl Group and beyond into the industrial SME sector. Together, the growth path of OPTENDA is to be further accelerated.

"In OPTENDA, we have found a partner that is not only technologically impressive, but also fits in with our culture. Energy and CO₂ transparency are key future levers for industrial SMEs," says Dominique Böker, Head of Finance & Operations at Possehl Digital. “We want to support OPTENDA in accelerating the scaling of its solutions and tapping into new customer groups.”
Sebastian Braun, Managing Director and founder of OPTENDA GmbH, is also confident about the new shareholder. "Possehl Digital gives us access to a strong network with a clear focus on industrial SMEs. Together with Iqony, we are focusing on growth, innovation and the sustainable further development of our product portfolio."

Jan Fischer, Head of Corporate Development, Strategy and M&A at the Steag Iqony Group, adds: "We are delighted to have gained a competent co-partner in Possehl Digital. The combination of industrial proximity, digitalization expertise and a clear strategic focus on SMEs will help OPTENDA to take the next step in its development."
Strategic projects
The three partners have ambitious plans:
- Scaling the OPTENDA business model with a focus on medium-sized industrial companies
- Development of a central energy and CO₂ management solution within the Possehl Group and beyond
- Development of new products such as an energy AI bot, solutions for electricity procurement, load management and white label offerings
- Development of new customer segments, such as smaller locations or new industries
About Steag Iqony Group
The Steag Iqony Group, headquartered in Essen, combines two central tasks of the energy transition under one roof: Steag Power ensures security of supply with its power plants and the development of modern energy hubs. Iqony develops and operates plants and solutions for a sustainable, climate-friendly energy future. A total of around 5,500 people work on this worldwide. With over 85 years of experience, the Steag Iqony Group contributes profound know-how and technological expertise to the transformation of the energy supply in Germany and Europe.
Further information is available at: www.steag-iqony-group.com
About Possehl Digital
Possehl Digital, as part of the Possehl Group with more than 200 medium-sized industrial companies worldwide, invests in relevant digital technology companies and thus provides the Group and the industry with access to suitable digital offerings, thereby making an important contribution to the future viability of medium-sized industrial companies.