Iberdrola (Spanish pronunciation: [iβeɾˈðɾola]) is a Spanish multinational electric utility company based in Bilbao, Spain. Iberdrola has a workforce of around 34,000 employees serving around 31.67 million customers. Subsidiaries include Scottish Power (United Kingdom) and a significant part of Avangrid (United States), amongst others. In 2013, the largest shareholder of the company was Qatar Investment Holding.[3] Other significant shareholders included Norges Bank, Kutxabank and CaixaBank (formerly Bankia).[4]

Iberdrola, a global energy company, is the second biggest producer of wind power after Ørsted by revenue and market capitalisation. It is the world’s third electricity utility by market capitalisation. It has subsidiaries in numerous countries, mainly in Spain, United Kingdom (Scottish Power), United States (Avangrid), Brazil (Neoenergia), Mexico, Germany, Portugal, Italy, Australia and France.