About us

A dynamic site in an International Group

As worldwide leader in HV instrument transformers up to 1200 kV, Alstom Grid masters all the conventional voltage levels and technologies.

The Optical Instrument Transformers represent the latest generation of Instrument Transformers and a more technically advanced solution than oil filled or SF6 types. Our experts have been working in this very promising domain since the early 1980s. In 2009, NxtPhase becames part of Alstom Grid Instrument Transformers. Today, with digital relays commercially available, we are ready to serve most of the requested market applications.

Our company develops, manufactures & markets optical sensors & digital solutions that are changing the way high-voltage electric power is managed in a competitive electric power industry.

Proven Market Success

Not only do we reduce our customers’ operating & capital costs, we can increase their revenue by improving grid throughput. Our products improve the stability & efficiency of power transmission while preparing our customers for the evolution of the grid to digital control.