It is the second of two facilities developed as part of the European H2ME2 project.
This is a fuel access initiative funded by the European Fuel Cell and Hydrogen Joint Undertaking and the Office of Low Emission Vehicles.
The new site is at an important nexus adjacent to the UK’s second-busiest airport and Europe’s ninth busiest.
It is close to the M23 and M25 motorways south of the capital and less than 30 miles from central London, providing convenient access for fuel cell electric vehicles (FCEVs).
"Gatwick Airport is an important new hydrogen refuelling station,” said Graham Cooley, chief executive of the energy storage and clean fuel company.
“Siting this HRS at the UK's second-largest airport and supporting the roll out of FCEVs on the M23 heading south from the M25 is an important development for the expanding network in the UK.”
The new Gatwick refuelling station joins Cobham on the M25, Beaconsfield on the M40, Rainham in Essex on the A13, Teddington in London, Rotherham on the M1, Kirkwall in Orkney and Swindon on the M4 corridor.
As well as helping develop hydrogen refuelling stations, ITM Power manufactures integrated hydrogen energy solutions for grid balancing, energy storage and the production of green hydrogen for renewable heat and chemicals.