Iberdrola is a Spanish multinational electric utility company based in Bilbao, Spain. Iberdrola has a workforce of around 34,000 employees in dozens of countries on four continents 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. Other significant shareholders included Norges Bank, Kutxabank and Bankia.

Iberdrola, a global energy company, is the second biggest producer of wind power after Ørsted (company) by revenue and market capatilisation . They are the world’s third electricity utility by market capitalisation. They have subsidiaries in numerous countries, mainly in Spain, United Kingdom (Scottish Power), USA (AVANGRID), Brazil (Neoenergia), Mexico, Germany, Portugal, Italy or France.