Introduction of a single National Transport System capacity reference price (UNC903): request for information

Publication type:
Call for input
Publication date:
Closing date:
02 July 2026
Status:
Open
Topic:
Energy codes,
Gas shipping,
Gas interconnectors
Subtopic:
Uniform network code (UNC)

Request for information to gather evidence to understand the effects of introducing a single National Transport System capacity reference price.

Call for input description

The implementation of modification 0903 to the Uniform Network Code (“UNC0903”) is subject to an Authority decision. The information requested within the notices below will inform a more fully‑evidenced impact assessment, which will in turn enable us to understand and assess the effects of modification 0903 and reach a robust decision.

The specific purpose of each RFI, along with details of confidentiality, disclosure and publication, is set out in attached notice documents while guidance and information on how to answer the questions can be found in the associated RFI Excel files.

Who should respond

•    Gas shippers
•    Gas interconnectors

How to respond

Submit your response by 2 July 2026 by emailing gas.systems@ofgem.gov.uk.