National Gas Transmission owns and operates the gas National Transmission System (NTS) — a 5,000-mile pipeline network that transports gas from terminals and ports to every part of Britain.
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Procurement Guidelines Distribution v2_0 April 2006
RIIO-T1 Capacity constraint management cost allocation rules v1
System Management Principles Statement - Effective April 2017
Procurement Guidelines - Effective April 2017
2016 SMPS Audit Opinion to 310316
Transmission System Management Principles Report 2015-2016
2015 SMPS Audit Opinion to 310315
Transmission System Management Principles Report 2014-2015
Procurement Guidelines Report - 010414 to 310315
Transmission System Management Principles Report 2013-2014