About Us

Who we are

Detra Solar  is a Solar & Storage Design and Engineering services firm. We work with EPCs, project developers and investors into solar energy globally. Prioritizing quality, we offer bespoke solutions for short-term savings and long-term profitability.

Example of our projects

Our History

Detra Solar was founded in 2011 in Germany, and since then, it has expanded its presence with offices in three countries and a team of 50 dedicated employees. Over the years, we have successfully launched the PVcase software and delivered projects in more than 50 countries, solidifying our position as a global leader in solar and storage design, engineering, and consulting services.


Birth of Detra Solar

Detra Solar was launched by David Trainavicius in Germany, initially offering design services. This marked the beginning of the company’s dedication to innovation and excellence in the solar industry.

PV design worldwide since 2011

Helping to deliver over 0GWp worth of renewable energy in 50+ countries

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Our leadership team


Joachim Rupp

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Serkan Kaniturk

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Our values

We Build from the Ground Up

At Detra Solar, we tackle every aspect with meticulous attention and a tailored mindset, building from the ground up. From nurturing client relationships and building our own tools like PV case, to molding team members’ career paths, we choose to do things uniquely our way. Empowering each team member with the freedom to contribute, we deliver custom solutions for every situation.

We take ownership

Sustainability is rooted in accountability. We as solar engineering company understand the importance of our work and its lasting impact. Committed to delivering results we are proud of, for colleagues, clients, and the planet, we ensure a positive and long-lasting impact on the environment.

We are driven by excellence

As engineers at our core, we are devoted to maintaining the highest standards in all aspects of our work. Our relentless pursuit of excellence is not just an aspiration but a fundamental value shaping our identity. Fueled by technical expertise and an innovative spirit, we consistently elevate our solutions, exceed expectations, and pioneer advancements. Our commitment to quality ensures exceptional results without shortcuts.

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