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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
Methodology for Network Output Measures - March 2018
Measuring gas network outputs - a summary of our new methodology