FILE PHOTO: FILE PHOTO: The logo of Spanish energy, construction and services conglomerate Acciona, is projected on a wall during company's annual shareholder meeting in Alcobendas, outside Madrid, May 10, 2016. REUTERS/Sergio Perez/File Photo/File Photo
The logo of Spanish energy, construction and services conglomerate Acciona. The company plans to use proceeds from a listing to add to a renewable generation fleet by 2025. Reuters  

Spain's Acciona seeks to value energy unit at $10.8bn in IPO