Network availability: Gas distribution (RIIO-GD1)

Chart

Javascript is required to render chart Network availability: Gas distribution (RIIO-GD1).

Source: RIIO gas distribution annual report 2017-18.

Information correct as of: March 2019

This chart is an indicator of network availability. It shows the gas distribution network availability as a percentage over the five completed years of the RIIO-GD1 price control. Availability for 2017/18 has been consistently 99.998 for GB customers. You can see how this breaks down by network owner in the table below.

 

Year 1

Year 2

Year 3

Year 4

Year 5

Cadent

99.997%

99.997%

99.996%

99.996%

99.996%

NGN

99.998%

99.998%

99.998%

99.998%

99.998%

SGN

99.997%

99.998%

99.998%

99.998%

99.998%

WWU

99.999%

99.998%

99.999%

99.999%

99.999%

We update this chart on an annual basis. Click the ‘more information’ tab above for a summary of the latest trends, details of how to interpret the figures and for information on methodology.

Policy Areas:

  • Gas - distribution

Data Table

Network availability: Gas distribution (RIIO-GD1)
Year 1 (2013-14)Year 2 (2014-15)Year 3 (2015-16)Year 4 (2016-17)Year 5 (2017-18)
Cadent99.997%99.997%99.996%99.996%99.996%
NGN99.998%99.998%99.998%99.998%99.998%
SGN99.997%99.998%99.998%99.998%99.998%
WWU99.999%99.998%99.999%99.999%99.999%

More information

At-a-glance summary

Network availability (availability of supply) to GB consumers was 99.998% in 2017-18 and has been consistent over the RIIO-GD1 period so far.  

Relevance and further information

Network availability is the time (as a % of total time during that period) that the GD network is available to consumers.

Network availability accounts for both planned and unplanned interruptions.

Methodology

Each year, network companies must report on their performance under the RIIO-GD1 price control. Our review of their submissions and supporting information informs our annual publications on network company performance.

Date correct
March 2019
Policy area