1KOMMA5° has entered the Dutch market through the acquisition of Zonduurzaam, a leading solar energy and battery solutions provider based in Deventer. Zonduurzaam, led by brothers Koen and Thomas Rozendom, has a strong presence with over 10,000 energy systems sold and installed. As part of the 1KOMMA5° group, Zonduurzaam aims to expand its product and software offerings to millions of customers in the Netherlands.