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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Customer and Stakeholder Satisfaction Score Summary - 2017-18
Customer and Stakeholder Satisfaction Score Summary - 2016-17
Customer and Stakeholder Satisfaction Score Summary - 2015-16
National Grid Gas Quality Consultation - Consultation document - 9 October 2017
National Grid Gas Quality Consultation - Consultation report - February 2018
Gemini Workshop - slides - 12 June 2018
Measuring gas network outputs - Outputs of our engagement to date
Measuring gas network outputs - Service Risk Framework
Measuring gas network outputs - Consequence of Failure
Measuring gas network outputs - Probability of Failure supporting document