Power everywhere

Leroy-Somer Power

Leroy-Somer Electric Power Generation, a business unit of the Nidec Group, is the global leader in industrial alternators with power ranging from 10 kVA to 35,000 kVA. 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.

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Nidec Generators Service Network


Nidec Leroy-Somer Electric Power Generation presentation

Nidec Leroy-Somer is the worldwide leader for industrial alternators: 10 kVA to 35 000 kVA.

Olomouc factory

Our Olomouc factory is one of the biggest production center of industrial alternators in the world

We Are Leroy-Somer Lexington

Take a look inside the Leroy-Somer plant located in Lexington, Tennessee.

Leroy-Somer 100 years

In 2019, Leroy-Somer celebrates its 100th anniversary.

Leroy-Somer LSA range

The low voltage industrial alternators from the LSA series are built to meet the most stringent conditions and specifications.

Tradeshows and Events

Middle East Energy 2023
MAR 07-09, 2023 | Dubai World Trade Centre, Dubai, UAE
Nor-Shipping 2023
JUN 06-09, 2023 | NOVA Spektrum | Oslo
Hydro 2023
OCT 16-18, 2023 | The EICC, Edinburgh, Scotland
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