Our Vision

At Top50-Solar we are passionate about solar. Our vision is a greener world with 100% renewable energies, fit for our children to live in"


Top50-Solar is a leading International web portal for solar and renewable energies with around 2000 companies listed worldwide. Registering provides you with a comprehensive profile in our A-Z directory and prestigious Toplist, searchable by country, city, keyword and company name. We provide you with a platform to promote your company and open up new partnerships on an international scale. Now in six language versions!


Our story

2000: Top50-Solar is founded by Dr. Martin Staffhorst. As one of the first web catalogs Top50-Solar takes a lead role in the renewable energies sector. 

2001: Server upgrade and sponsor partnerships formed

2002: First redesign with new, improved layout

2003: Quotation service for PV and solar thermal offered  

2005: Upgrade to Typo3 content management system and servers; introduction of new English, Spanish and Portuguese language versions; New categories and filtering options; Further redesign.

2006: Introduction of the Top50-Solar News section

2008: Server upgrades

2009: Complete re-launch with brand new design; 

2010: Country search expanded and distances to all major cities now shown, server upgrade for further speed enhancements. Translation service offered.

2011: Redesign to freshen "look and feel", introduction of Solar Experts in German version, Two new language versions launched: Italian and Dutch