Turbo-alternator
50 - 60 Hz, 900 - 2 000 MW | GIGATOP 4 Alstom Power Generation

The GIGATOP 4-pole Turbogenerator provides maximum performance and availability for the nuclear market, making it a solid long-term investment.

The world's largest and most reliable hydrogen and water-cooled Turbogenerators in operation today are GIGATOP 4-pole turbogenerators. They cover an output range from 900 MW to 2,000 MW, in both the 50 and 60 Hz markets.

Our innovative and environmentally-friendly technologies have made Alstom a by-word for efficiency, reliability and performance.

A solid investment for the future

Alstom's unique feedback from operation enables us to continuously improve the product design and technology.
Alstom's GIGATOP 4-pole is the most efficient 4-pole Turbogenerator. This is largely the result of its optimised cooling systems and the efficient hydrogen sealing system.
The GIGATOP 4-pole Turbogenerator is easy to install and facilitates delivery by rail or road.
The design of the GIGATOP 4-pole Turbogenerator requires low maintenance and ensures fast and easy access to all components.