Ofgem 2021-130 GGL Corella Data

Xoserve / Corella is the Central Data Service Provider for GB's gas market. Xoserve/Corella has the central gas register that holds information on all premises with a gas supply. It's gas flow information helps to recognise which companies are responsible for gas entering and leaving the network, which lets it remain 'in balance' between supply and demand - they are the only provider of this data on the market.