Hessel van den Berg

Hessel van den Berg (1970) is technical manager at Zonnefabriek.

He regularly reports on current developments in the world of sustainable energy. Hessel has a talent for translating complex information into crystal-clear blogs.

He obtained his master's degree in physics at the University of Groningen, where he specialized in global energy and environmental issues. Hessel has been working as a technical expert, editor and trainer at Zonnefabriek since 2014. He also works at our partner SMA, where he is responsible for technical calculations of solar power projects, solving technical issues and training solar power professionals in the Benelux. Fun fact: he speaks fluent Chinese.

Mail Hessel

Articles of Hessel

11 juni 2025

Shade & Solar Panels

How do you handle shade on solar panels? What role do bypass diodes play in this situation? We’re happy to explain.

Lees meer >

11 juni 2025

P-type and N-type Panels: Differences and Benefits

Crystalline solar panels can be made with either P-type or N-type semiconductor material. Some manufacturers swear by N-type, claiming it’s the superior choice. But what does that really mean?

Lees meer >

10 juni 2025

Do Solar Panels Contain Toxic Substances?

Do solar panels contain toxic substances? What about the solar panels and inverters installed by Zonnefabriek? We provide the answers.

Lees meer >

10 juni 2025

Is Forced Labor Used in the Manufacturing of Solar Panels?

What about forced labor in the production of solar panel components? Are Uyghurs in Xinjiang being exploited? What can we do about it?

Lees meer >

More authors

Desiree Janssen

Desiree is the marketer at Zonnefabriek. Before moving into marketing, she worked in the sales department and as part of the customer service team. This experience, combined with her background in marketing, enables her to guide people through sometimes complex topics in a clear and accessible way.

Jeroen Hiep

Jeroen is a consultant at Zonnefabriek. In this role, he provides in-home advice on solar panels, charging stations, battery storage systems, and heat pump boilers. In addition to his extensive knowledge of the market and products, Jeroen is also trained to carry out technical inspections in preparation for installations.

David van der Burg

David is the Managing Director and co-founder of Zonnefabriek. His mission is to lower barriers and make sustainable energy accessible to everyone. He regularly writes about developments in the energy market and enjoys sharing his vision for Zonnefabriek.

Geert Scholten

Geert Scholten has been working as a service technician at Zonnefabriek since 2009. He specializes in the installation of solar panels, battery systems, and EV charging stations. Geert is responsible for getting installations back up and running and supporting customers with any questions they may have.