Plenium Partners
Investment ManagementCommunity of Madrid, Spain51-200 Employees
Plenium Partners is a European investment firm focused on power and sustainable infrastructure. It pursues a value-creation strategy that combines active asset management with industrial capabilities to unlock opportunities. Founded in 2007 and based in the Madrid region of Spain, the firm operates across five countries and has a sizeable team. Its activities cover renewable energy and related infrastructure across Europe. In March 2026, Plenium Partners announced a merger with Bankinter Group, a notable strategic development for the firm.