IBERDROLA, S.A., together with its subsidiaries, engages in the production, switching, and distribution of electricity and gas worldwide. It generates electricity primarily through nuclear, fossil-fuel, and hydroelectric power. The company also engages in retail of electricity under the tariff systems. In addition, IBERDROLA generates electricity from renewable energy sources, as well as engages in the gas storage, and electricity and gas supply activities. Further, it provides telecommunications services, as well as engineering, consulting, and information technology services. Additionally, the company engages in real estate and other related activities. As of September 30, 2008, it distributed electricity to 10 million customers in Spain, 3.5 million customers in the United Kingdom, and 9 million customers in Latin America.