Acciona, S.A., together with its subsidiaries, provides energy and infrastructure solutions in Spain and internationally. It develops, constructs, operates, and maintains wind, solar photovoltaic, hydropower, thermal solar, and biomass plants, as well as offers energy storage, renewable energy supply, energy efficiency, self-consumption, green hydrogen, and electric mobility solutions; and designs, develops, manufactures, and distributes wind turbines. The company also engages in the construction and development of civil engineering infrastructure projects, including roads, highways and motorways, bridges, tunnels, railways and railway services, and metros and trams, as well as ports and water channels, airports and airport services, freight forwarding, data center, and substation and transmission lines; water solutions, such as waste water treatment and reuse, desalination, drinking water, integral water cycle, and water for agriculture; and social services for healthcare, university campuses, and ecosystem restoration. In addition, it is involved in the provision of sustainable cities solutions comprising efficient building, circular economy, urban ecosystems, museums and universal exhibitions, immersive experiences, and event design and management; development of housing projects, hotels and holiday resorts, fit outs, offices, and industrial properties; and fund management and stock brokerage. The company was incorporated in 1916 and is headquartered in Madrid, Spain.