Iberdrola, S.A. is a prominent electric utility company based in Bilbao, Spain, engaged in the generation, transmission, distribution, and supply of electricity and gas both domestically and internationally. Established in 1840, Iberdrola has built a diverse portfolio of power generation assets, primarily focusing on renewable sources such as wind, hydro, solar, and biomass, while also utilizing fossil fuels and nuclear power. The company is recognized as the largest owner of wind farms globally, with approximately 40% of its generation capacity derived from wind energy. Iberdrola operates in nearly 40 countries and serves a substantial customer base, including millions across Spain, the United Kingdom, and Latin America. In addition to its core electricity and gas operations, Iberdrola is involved in telecommunications, engineering, consulting, and real estate activities. Despite its international expansion, Spain remains central to its operations, accounting for about half of its power generation capacity.