The Future of Solar Energy: SunPower TCL 475W

Maximum efficiency of 23.8% and cutting-edge N-Type Back Contact technology for your home. Sustainable, powerful, and aesthetic.

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Innovation & Technology

About Solarwiseau

Solarwiseau is your partner for cutting-edge photovoltaic solutions. We focus on the latest generation of SunPower TCL solar modules, which set new standards in efficiency and reliability through their groundbreaking N-Type Back Contact (BC) technology.

Our goal is to make the transition to renewable energies as simple and attractive as possible – with products that not only save electricity but also impress with their elegant design.

Your Benefits

Why Choose SunPower TCL?

⚡

23.8% Efficiency

Industry-leading module efficiency allows you to generate more energy on a smaller area.

🏗️

BC Technology

Back-Contact cells ensure a busbar-free front side, reducing the risk of hotspots and micro-cracks.

🛡️

30-Year Warranty

Enjoy peace of mind with a 25-year product warranty and a 30-year linear performance warranty.

🖤

Full-Black Design

The elegant black design integrates perfectly into any roof architecture and simply looks premium.

Customer Feedback

What Our Customers Say

"Installing SunPower TCL modules was the best decision. The yield is enormous even on cloudy days."

Michael Weber

Homeowner

"Finally, solar cells that don't look like foreign objects on the roof. The Full-Black design looks fantastic."

Sarah Müller

Architect

"The 30-year performance warranty convinced me. The quality of the panels is truly tangible, both technically and physically."

Thomas Schmidt

Engineer

Questions & Answers

Frequently Asked Questions

What differentiates TCL Back Contact cells from normal cells? +

With Back Contact (BC) technology, all electrical contacts are located on the back of the cell. This increases the light-absorbing area and provides a more modern, uniform look without distracting busbars on the front.

How long do the solar modules last? +

TCL SunPower modules are designed for longevity. With a 30-year linear performance warranty, you can be sure that your system will still be highly efficient decades from now.

Are the modules suitable for all roof types? +

Yes, thanks to standard dimensions and a robust aluminum frame, the modules can be installed on almost all common mounting systems for pitched and flat roofs.