Ansaldo Energia S.p.A. is an Italian
power engineering
Power engineering, also called power systems engineering, is a subfield of electrical engineering that deals with the generation, transmission, distribution, and utilization of electric power, and the electrical apparatus connected to such sy ...
company based in
Genoa
Genoa ( ; ; ) is a city in and the capital of the Italian region of Liguria, and the sixth-largest city in Italy. As of 2025, 563,947 people live within the city's administrative limits. While its metropolitan city has 818,651 inhabitan ...
, Italy. The original parent company,
Gio. Ansaldo & C., was founded in 1853, and merged with
Finmeccanica in 1993 (now
Leonardo S.p.A.).
In 2024, the company's share capital was held between the Italian state investor, CDP Equity, (87.6%) and China's Shanghai Electric Group (12.4%).
Products and services
Ansaldo Energia is a producer of thermoelectric power plants, operating in international markets serving public and private power producers and industrial clients. The company provides plant engineering, manufacturing and service fields at installations for
thermal electric and
hydroelectric
Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...
plants in over 90 countries In 2007, their total revenue stood at over 979 million
euro
The euro (currency symbol, symbol: euro sign, €; ISO 4217, currency code: EUR) is the official currency of 20 of the Member state of the European Union, member states of the European Union. This group of states is officially known as the ...
s.
The production centre is located in the
Genoa
Genoa ( ; ; ) is a city in and the capital of the Italian region of Liguria, and the sixth-largest city in Italy. As of 2025, 563,947 people live within the city's administrative limits. While its metropolitan city has 818,651 inhabitan ...
- Campi area and is split into three product lines: gas turbines, steam turbines and generators.
Ansaldo Energia manufactures
gas turbine
A gas turbine or gas turbine engine is a type of Internal combustion engine#Continuous combustion, continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas gene ...
s in the range from 70 to 280 MW with more than 140 units delivered for a total installed capacity of more than 23,000 MW. The gas turbines' models manufactured are based on Siemens designs.
Both the
European Union
The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
and
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
approved a deal for
General Electric
General Electric Company (GE) was an American Multinational corporation, multinational Conglomerate (company), conglomerate founded in 1892, incorporated in the New York (state), state of New York and headquartered in Boston.
Over the year ...
(GE) to acquire various business units from
Alstom
Alstom SA () is a French multinational rolling stock manufacturer which operates worldwide in rail transport markets. It is active in the fields of passenger transportation, signaling, and locomotives, producing high-speed, suburban, regional ...
by September 2015, subject to the divestiture of Alstom's GT26 and GT36 model gas turbine manufacturing and service businesses. As part of this deal, GE sold its GE7FA gas turbine aftermarket parts subsidiary business, Power Systems Mfg. LLC (PSM), to Ansaldo Energia.
Steam turbine production covers a range of applications, with power ratings in the 80 to 1200 MW range. Generator production comprises air, hydrogen and water-cooled models, designed to withstand over 50,000 MVA of generating capacity.
Subsidiary companies
Ansaldo Nucleare S.p.A. manufacturer nuclear energy production equipment and related services: this encompasses promotion, sales, management, engineering, contracting, fabrication and site implementation.
Ansaldo Thomassen provides services for GE-type heavy-duty gas turbine systems, including service and repair. An office in Abu Dhabi was established. Ansaldo Thomassen also has an office in
Rheden, Netherlands.
Ansaldo ESG AG is a Switzerland-based energy service group, established in 1998. AESG specializes in steam turbine maintenance, covering turbine rotor and turbine casing repairs, re-blading, generator rewinds and repairs and component production.
On 25 February 2016, Ansaldo acquired a portion of Alstom's R&D Gas Turbine projects based in
Baden
Baden (; ) is a historical territory in southern Germany. In earlier times it was considered to be on both sides of the Upper Rhine, but since the Napoleonic Wars, it has been considered only East of the Rhine.
History
The margraves of Ba ...
, Switzerland. This acquisition was due to the conditions imposed by the EU and US Department of Justice pertaining to the merger of GE and Alstom Power. Ansaldo Energia has suppliers in Aalcan with Europa construction, located in Albania. The new production will concern technologies obtained by the Ligurian joint-stock company after the acquisition of Alstom by General Electric. The Brussels Antitrust Authority has permitted the operation to GE, provided that the technology in the gas turbines of the French company was sold to a European competitor. The choice then fell on Ansaldo Energia.
As of January 2021, the company was 88% owned by the Cassa Depositi e Prestiti group and 12% by Shanghai Electric Corporation, which jointly hold a financial debt exceeding one billion euros. In the following months, the Chinese partner acquired 40% of shares.
See also
*
List of Italian companies
Italy is a Unitary state, unitary parliamentary republic in Europe with the third largest nominal Gross domestic product, GDP in the Eurozone and the eighth List of countries by GDP (nominal), largest in the world. As an advanced economy, the cou ...
References
External links
Ansaldo Nucleare
{{Authority control
Engine manufacturers of Italy
Electrical engineering companies of Italy
Nuclear technology companies of Italy
Gas turbine manufacturers
Steam turbine manufacturers
Manufacturing companies based in Genoa
Multinational companies headquartered in Italy
Gio. Ansaldo & C.
Non-renewable resource companies established in 1853
1853 establishments in the Kingdom of Sardinia
Non-renewable resource companies established in 1993
1993 establishments in Italy
Italian brands
Companies based in Genoa