Once just a force in Spain, Iberdrola has become a major power industry player on both sides of the Atlantic. The company is primarily active in Spain (where it is the largest energy company), the UK, Brazil, Mexico, and the US. The group supplies energy to almost 100 million people in dozens of countries. It owns hydroelectric, fossil-fueled, nuclear, and renewable power generation facilities with a capacity of more than 48,900 MW. The company is putting a major focus on being the world leader in developing renewable energy plants, primarily wind power facilities. It operates more than 400 wind farms in all.