|% of row||Gigawatt hours|
There is strong seasonal variation in networked gas consumption by households. The January to March quarter had by far the highest consumption varying from 53% of total residential usage in 2011 to 44% in 2017. In contrast July to September accounted for only 7% of total residential consumption in 2017 (see Headline Table and Table 2D). Consumption was less seasonal in other sectors with the third quarter of 2017 accounting for 28% of total usage by power plants and for 21% in the non-residential sector (see Tables 2B and 2C).
Power plants accounted for 63% of total networked gas consumption in 2017 compared with 24% by the non-residential sector and 13% by the residential sector (see Table 1 and Figure 1). This pattern was broadly similar in 2011 to 2016.