sonnen's Colossus C&I solution
sonnen MegaWatt Series
Lowering energy costs, boosting resiliency, and offering flexible storage solutions to businesses.

Power and protect your business with the energy system of the future.
Focused on energy management and delivering value, we provide solutions that financially benefit your business today and in the future. Trust in the expertise of our German engineering combined with American ingenuity that is supporting a growing community of residential and commercial customers around the world.

Step 1: Manage your solar
Connect a battery to your commercial solar
Manage your peak power and optimize your solar energy use with our sophisticated battery management software that helps lower your electricity bills and efficiently power your business.

Step 2: Store electricity
When power meets flexibility
With our flexible and scalable commercial battery products, you can design a solution, from 100kWh up to 100MWhs, that helps protect your business from costly power outages and rising utility rates.

Earn rewards for supporting the local grid
By enrolling your commercial batteries in a sonnen Virtual Power Plant (VPP) program in key markets, you can earn rewards for helping stabilize the grid while also supporting the energy transition.

sonnen Virtual Power Plant
The sonnenVPP is the key to our energy transition that provides clean, reliable, and affordable energy for everyone — a true win-win-win: for customers, communities, and our planet.