Iberdrola Sociedad Anonima generates, distributes, trades, and markets electricity in the United Kingdom, the United States, Spain, Portugal, and Latin America. The Company specializes in clean energy including wind power, solar and hydroelectric, smart grids, energy storage, and green hydrogen. Iberdrola is headquartered 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. As of 2023, the largest shareholder of the company is the Qatar Investment Authority, with BlackRock and Norges Bank also holding significant interests.

Iberdrola is the biggest producer of wind power, and the world's second electricity utility by market capitalisation.

The company’s milestones:

1992:

- November 1, Iberdrola was formed from the merger between Hidroeléctrica Española and Iberduero.

- Carland Cross wind farm begins operations in Scotland.

1995: Ibedrola was first expanded to the Latin American market.

1996: Iberdrola embarked on the first electric car project.

2001: Iberdrola launched its Strategic Internationalisation Plan and announced its corporate vision of a world whose increasing energy needs will require cleaner and more sustainable sources.

2005: Started operations at the Maranchón windfarm, the largest in Spain at that time.

2007: Iberdrola embarked on a major international expansion and increased its presence in the United Kingdom and the United States.

2009:

- Whitelee, the largest windfarm in Europe, opened in Scotland.

- The first CO2 storage plant began operations in Longannet.

2010: El Andévalo Wind Farm, put into operation, is the largest wind power facility in Spain and mainland Europe.

2011: Started operations of the Dardanelos hydroelectric plant and the Narandiba substation in Brazil.

2012: Launched La Venta III wind farm in Mexico.

2014: Completed Iberdrola's first offshore windfarm in the Irish Sea (United Kingdom), West of Duddon Sands, with 389 MW of power.

2015: Iberdrola and BMW launched a corporate electric 'car sharing' service.

2016:

- Iberdrola became the only Spanish company among the 100 most sustainable companies in the world.

- Iberdrola operated the Calangas wind power complex in Brazil, the largest wind power complex in South America.

2020: Iberdrola partnered with the world's leading electrolyzer manufacturer, Norwegian company Nel, to make Spain a leader in green hydrogen technology and industry.

2021:

- Iberdrola and H2 Green Steel signed a €2.3 billion green hydrogen deal.

- In Q1 2021, Iberdrola reported having operating installed capacity of 55,396 MW producing a total of 42,951 GWh of electricity in the year. Its clean energy capacity increased by 13.3% to 79%.

2022: Iberdrola Started up its largest power line of almost 730 kilometres in Brazil.

According to Wikipedia & iberdrola.com