Energy-Storage.news Features Ruben Valiente’s Views on BESS Bankability

At the opening bankability session of Energy Storage Summit 2026, Ruben Valiente discussed financing models for large-scale European projects. Energy-Storage.news highlighted his views on tolling agreements, warranties and supplier selection. Valiente noted that each project has a distinct revenue and risk profile and that warranties should be assessed through operating cycles and utilisation profiles, not only years. He emphasised simple, transparent warranty structures as critical to project finance.