Solar Solutions - Dusseldorf 2025 will be held from 4th - 5th December 2025 at Messe Dusseldorf in Dusseldorf, Nordrhein-Westfalen, Germany. This is a trade fair for solar energy and renewable energy solutions. It is expected to attract over 12,000 visitors and 150 exhibitors. It is a great opportunity for solar professionals to learn about the latest products and innovations in the industry, network with other experts, and find new business partners.