Effective 31st January 2017, Leroy-Somer has become part of the Nidec Corporation

Global Power Solutions For All Industries

By selecting NIDEC Electric Power Generation (EPG) for your power generation needs, you have seamless access to the world renowned alternator brands LEROY-SOMER and KATO™. As global leaders in the engineering and manufacturing of alternators, we provide solutions in the 5kW - 25MW range for all types of applications.

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New Leroy-Somer logo
In the context of our acquisition by the Nidec Group and to reflect this new chapter of our history we have decided to update our logo.
Nidec Founder Addressess Leroy-Somer Employees
The founder and CEO of Nidec has visited Leroy-Somer to outline his vision for the future of the businesses.
Nidec Completes Acquisition of Leroy-Somer
Nidec Completes Acquisition of Emerson Electric Co.’s Motors, Drives and Electric Power Generation Businesses, Control Techniques and Leroy Somer



Leroy-Somer / Kato Engineering 

Service Network Global Map​​​​

GenOSys : Remote power system management solutions​​​​

Training 2018