History

1976: Gamesa is incorporated under the name of Grupo Auxiliar Metalúrgico, working on the management of industrial projects and technology for emerging businesses.

1980: Bonus Energy (later to be acquired by Siemens AG) was founded in Denmark, when the irrigation system manufacturer Danregn diversified into the wind turbine business.

1981: Bonus Energy builds its first 22 kW, 10 m blade diameter turbine (that was still generating power in 2016!).

1982: Bonus Energy delivers its first turbines to the American market.

1986: Gamesa commences activities in the aerospace sector.

1990: Iberdrola invests in Gamesa.

1991: Bonus Energy builds the world's first offshore wind power plant at Vindeby, with a total capacity of 4.95 MW that can provide clean energy to around 2,000 households.

1993: Gamesa participates in the construction of a new aircraft for Embraer.

1994: Gamesa enters the wind energy sector.

1995: Gamesa installs its first wind farm in the hills of El Perdón in Spain.

1999: Installations by Gamesa reach the 1 GW mark.

2001: With projects in Portugal, France, Greece, Ireland, UK, US, China and Mexico, Gamesa’s shares are included in the Spanish blue-chip stock index, the Ibex 35.

2002: Gamesa acquires Echesa (gearboxes), Cantarey (generators), Enertrón (converters), Made and Navitas.

2002: Bonus Energy opens its Aalborg blade factory in Denmark, introducing a blade-technology called IntegralBlade®.

2003: Gamesa enters into new markets including Germany, Italy, India, Vietnam, Egypt, Japan, Korea, Taiwan and Morocco.

2004: Gamesa supplies its first order to India. Its first manufacturing facilities open in the US and China.

2004: Siemens acquires Bonus Energy A/S. At that time, Bonus Energy has an installed base of 3,321 MW in 20 countries with a market share of about 9%.

2006: Gamesa disposes of its aerospace division to focus on the renewable energy business.

2007: An alliance is struck between Gamesa and the Daniel Alonso group for the manufacture of turbine towers.

2007: Siemens Wind Power celebrates the opening of a new wind turbine blade factory in Fort Madison, Iowa.

2008: Gamesa opens its first factory in India.

2009: DONG Energy (today Oersted) and Siemens Wind Power announce the largest offshore wind turbine supply agreement ever recorded for 1,800 MW.

2010: Gamesa establishes a manufacturing facility in Brazil.

2010: Siemens Wind Power opens a rotor blade and nacelle plant in Shanghai, China, and a nacelle plant in Hutchinson, Kansas, USA.

2011: Located in the Baltic, Siemens Wind Power builds Germany's first commercial offshore wind power plant which consists of 21 wind turbines, each with a capacity of 2.3 MW.

2013: Siemens Wind Power opens two major Research & Development facilities for wind turbine technology in Denmark and a training center in Orlando, USA.

2013: Siemens Wind Power receives the world’s largest ever order for 448 onshore wind turbines with a total capacity of 1,050 MW from MidAmerican Energy.

2014: Gamesa ranks as the #1 OEM in India for the first time ever.

2014: Siemens Wind Power opens a new remote diagnostics center for wind turbines, located in Brande, Denmark.

2015: Creation of Adwen, Gamesa’s joint venture in the offshore business. Entry into the solar power business in India.

2015: Siemens Wind Power launches two purpose built service operation vessels (SOV) for maintaining offshore wind power plants in Germany.

2016: Installation of Gamesa’s first offgrid prototype.

2017: Siemens Wind Power and Gamesa concluded the merger of their wind power businesses, combining their unique product portfolios for wind power onshore, offshore and services. After the registration of Siemens Gamesa in the Mercantile Registry of Biscay, in Spain, the merger of Gamesa and Siemens Wind Power becomes effective and a new, united company is borned. 

2018: Siemens Gamesa confirmed its largest-to-date offshore order via Danish energy group Ørsted, providing 165 of its SG 8.0-167 DD wind turbines to the Hornsea Project.

2019: Siemens Gamesa became the world’s first wind turbine manufacturer to receive an investment grade rating, and installed a new annual record of 1.2 GW of turbines for the decade.

In May 2022, Siemens Energy announced the tender offer to acquire all remaining shares of Siemens Gamesa. This concluded in December 2022, and after a standing purchase order in place until 7 February 2023 Siemens Energy held around 98% of Siemens Games shares. On February 14, 2023 the Siemens Gamesa shares were delisted from the Spanish Stock Exchanges. On June 13, 2023, the minority shareholders of Siemens Gamesa approved a capital reduction for the remaining 2.21% of its shares. This has paved the way for a full integration of Siemens Energy with Siemens Gamesa, and signals their shared future, and Siemens Energy AG became the sole shareholder of Siemens Gamesa.