Generating a Powerful Future

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About us

Leroy-Somer Electric Power Generation, a business unit of the Nidec Group, is the global leader in industrial alternators with power ranging from 10kW to 25MW. With its two leading brands, Leroy-Somer and Kato Engineering, Leroy-Somer Electric Power Generation works with generator set manufacturers and electric power producers worldwide to help the industry provide reliable and efficient power solutions. Leroy-Somer Electric Power Generation has over 5,000 employees, 10 production sites worldwide and a global service network.

Service Network

Find a service center near you.

We have global network of official service and spare parts centers.

Browse the map
Nidec Generators Service Network


ControlReg Presentation Video

ControlReg Presentation Video #1 - General Introduction

GenOSys - Remote Power System Management

GenOSys - Remote Power System Management by Leroy-Somer and Kato Engineering

Kato Engineering Manufacturing Process

Strong processes and stringent quality checks return worn, end-of-life alternators to a like-new state with comparable performance.

Tradeshows and Events

China Wind Power NB
OCT 17-19, 2018 | Beijing, CHN
Hydro 2018 International Conference and Exhibition
OCT 15-17, 2018 | Gdansk, Poland
GenSchool 2018
OCT 15-17, 2018 | Mankato, MN USA
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