Akbank further diversified its financing support for customers who want to reduce their environmental footprint with the Rooftop Solar Panel (RSP) Investment Loan. Akbank’s new RSP product will help boost energy efficiency, support clean production, reduce carbon footprints, and support efforts to combat climate change.. Akbank also cooperates with Turkey’s leading EPC (Engineering, Procurement and Construction) companies in order to meet every customer end-to-end needs.