Solar Solutions International is the largest solar energy exhibition in North West Europe and therefore the perfect place to showcase our high quality and well thought out substructures to the world. Every aspect of solar energy is covered here. And that's more important than ever for both installers and end users. In recent years, over 17,000 solar enthusiasts have visited the annual trade fair at Expo Haarlemmermeer. Over 230 exhibitors from all over the world showcased their solar energy products on more than 20,000 square meters.