Ancillary Services
Information on each Ancillary Service is provided below, including relevant Application Forms.
For further information on IFA, Buddy or Partials contact:
For NTS Sites: Tel 01926 656568
For DN Sites: National Grid Distribution - Tel 01455 893137
Northern Gas Networks - Tel 0191 5114511
Scotia Gas Networks - Tel 01293 818312
Wales & West Utilities - Tel 02920 278747
For SWAPs shippers should contact their xoserve customer advocate.
About Ancillary Services
Inter-Supply Point Transfer of Firm to Interruptible ('Buddying')
Description
This service will allow a shipper to release the capacity which has been allocated to a firm supply point and, where the configuration of the system permits, allow that capacity to be ...
Swap Option
Description
This option allows equivalent supply points, one firm, one interruptible, to swap their supply status on a permanent basis, enabling the interruptible customer to gain a firm gas supply ...
Partial
Description
This service allows for a reduction in gas demand on a site, rather than full interruption. The amount of reduction is agreed in a series of 'Tranches' in order to arrive at a gas supply ...
Interruptible/Firm Allowance (IFA)
Interruptible/Firm Allowance (IFA)
Description
This chargeable service allows an interruptible supply point to continue to take a specified maximum daily quantity of gas up to 14,650 kWh (500 ...
Forms
P104 - Partial Application
Many of the files available to download on this page are Acrobat PDF files. To access these you will need Acrobat Reader which is available from the Adobe web site.