Backup and Security provisions for the Green Gas system

  • All data transmitted to and from the GGCS system is protected by high-grade encryption (AES-128 128-bit)
  • Digital Certificates are 128-bit AES encrypted and are edit-restricted
  • Digital Certificates contain checksums and unique identifiers to ensure they can be traced and verified
  • All data is stored in four geographic locations to ensure continuity and minimum server down-time
  • The authenticity of Retirement Statements can be confirmed online via
  • The data stored on the Green Gas primary server will be considered the primary source in the case of any dispute.
  • Servers sit behind multiple firewalls. Only Ports 80 and 443 are publicly accessible.
  • Snapshot data is kept at 3-hour intervals for a minimum of 3 months
  • Primary servers are managed by AWS and SAV London Ltd
  • IP addresses are explicitly tracked throughout the GGCS members functions, including injection, sale & certification
  • Member accounts log out automatically after 20 minutes of inactivity
  • All data is stored in accordance with the Data Protection Act 1998


Founder Partners and Associate Members:
British Gas
Thames Water
Milton Keynes Council
National Grid
CNG Services Ltd