ONSA Plus s.r.o.

We help solar installers across Europe get the components they need, when they need them.

At ONSA Plus, we supply high-quality inverters, panels, batteries and accessories, with stock ready and fast delivery to keep your projects moving.

We understand the challenges installers face: tight deadlines, shifting regulations, supply delays, and constant pressure to stay competitive while delivering quality work. That's why we focus on reliability, responsive support, and fast logistics so you can focus on what matters most: growing your business.

Because every panel installed is a step toward a cleaner, better future. And we're here to help you power that change.