Acciona, S.A., together with its subsidiaries, engages in the energy, infrastructure, and other businesses in Spain and internationally.

The company develops, constructs, operates, and maintains wind, solar photovoltaic, solar thermal, hydro, and biomass plants.

It also engages in designing, construction, maintenance, and management of infrastructure projects, including bridges, highways, motorways, roads, tunnels, railway, and metros and trams, as well as ports and water channels, airports, freight forwarding, data centers, substations, and transmission lines.

In addition, the company offers event planning and management services, as well as designs, constructs, and operates drinking water treatment plants, reverse osmosis desalination plants, wastewater treatment plants, and tertiary treatment plants for water reuse; and constructs, operates, and manages healthcare, universities and campuses, ecosystems restoration, museums and exhibitions, and event planning and management; Further, it provides hotels and holiday resorts, offices, and industrial properties; financial solutions; facility management and airport handling; and museum interior design.

It also engages in the fund management, stock broking, real estate, motorbike sharing, and other businesses.

Acciona, S.A. was founded in 1916 and is headquartered in Alcobendas, Spain.