Nidec Leroy-Somer

Alternators for all power generation applications

Nidec Leroy-Somer is the global leader for alternators from 10kW to 25MW. We provide alternators to generator sets manufacturers and power producers worldwide.

Every day, our products help secure access to power for thousands of people, for the safety and peace of mind of everyone.

We offer solutions for all standby and prime applications, from pioneer industrial outposts and ships to busy commercial zones and lively neighbourhoods.

With over 3500 employees and a global footprint in over 40 countries, we’re never far from you.

  • Two strong brands: Leroy-Somer & Kato Engineering

  • Industrial alternators for generator sets

  • Custom generators for all power generation project types

  • Alternators adapted to all prime movers: reciprocating engines, gas & steam turbines, hydro & wind turbines…

  • Dedicated solutions for oil & gas, marine, rail and more

  • Worldwide service network

Leroy-Somer is part of the Nidec group, a world-leading comprehensive motor manufacturer encompassing approximately 300 subsidiaries and employing 140,000 people throughout the world and with annual sales exceeding 1 trillion JPY. Nidec's motors, drives, generators and related products are found in a diverse range of applications including computers, smartphones, home appliances, automobiles, manufacturing plants, robots and more


Bd Marcellin Leroy

16000 Angouleme


+33 5 45 64 45 64