1. Key world energy statistics;International Energy Agency,2017
2. Australian Government. The Renewable Energy Target (RET) scheme. < https://www.environment.gov.au/climate-change/renewable-energy-target-scheme> [accessed 17.01.17].
3. Gas market report;Bureau of Resources and Energy Economics,2014
4. Credible pathways to a 50% renewable energy target for Queensland;Queensland Renewable Energy Expert Panel,2016
5. Combined gas and electricity network expansion planning;Chaudry;Appl Energy,2014