Casa dos Ventos Energias Renováveis S.A. (Casa dos Ventos) is a Brazilian wind and solar power developer that began operating in 2007. The company has been awarded projects in the states of Ceará, Rio Grande do Norte, Piaui, Pernambuco, Paraiba and Bahia, totaling 15.5GW of installed capacity, with other 5.5GW under construction or operation. The company's solar projects benefit from the electrical infrastructure already in place at its wind complexes. Such is the case of the future Fótons de São Patrício solar complex, which will be located next to the Tiangua wind farm, in Ceará state. The solar park will be made up of four photovoltaic power plants totaling 122.4MW. Casa dos Ventos is headquartered in São Paulo.