Funding and Finance Innovation Marketplace Knowledgebase Filters2 All ListingsView As Grid ListSort By A to Z (title) Z to A (title) Latest listings Oldest listings Popular listings Price (low to high) Price (high to low) Random listings Reset Filters Apply Filters PopularRoof renovation with pre-fabricated rooftop elements with HeliaSol News Items10 PopularOxford PV and Fraunhofer ISE Develop Full-sized Tandem PV Module with Record Efficiency of 25 Percent Press Release36