Volta Aluminum Company, known as Valco, is an aluminium company based in Ghana founded by Kaiser Aluminum and now wholly owned by the government of Ghana. Valco is a joint venture with Alcoa, the major aluminum conglomerate based in the United States. In 1961 Valco invested in the Akosombo Hydroelectric Project project to provide energy for its aluminum smelters. The company had negotiated favorable terms for power purchase with the government.