Data hosting company Verne Global is behind the new facility in Iceland, which is run on geothermal and hydroelectric power. The company plans to use Iceland's cheap power to undercut rival European providers.
Verne Global has appointed Johnson King as its first PR agency to promote the facility.
Finding cleaner and more efficient ways to store data is a hot topic in the booming data storage industry.
In September The Green Grid, a global consortium set up by global tech firms including IBM and Hewlett-Packard to promote greener, more efficient technology, hired Spreckley Partners.
Late last year Microsoft predicted the data centre construction market would grow from £32bn to £50bn globally by 2020.
Johnson King joint MD Claire Ayles, who will lead the Verne Global account, said: 'We want to promote the facility through the business, trade and technology media - as well as through analysts.
'One of its biggest advantages is that air conditioning, used to stop IT equipment from overheating, won't be needed at this site. Iceland's climate means equipment is cooled by fresh air, making it more affordable and green.'
Johnson King will organise an analyst and press tour to the facility in February.