Domestic gas prices come from different gas blocks, each with different costs and prices. http://www.bangkokpost.com/business/news/1282503/state-set-to-float-lpg-on-aug-1The estimated global gas contract price is unlikely to rise beyond $1,000 a tonne, although consumption remains high as it moves in line with a low global oil price. LIBERALIZATION OF LPG TRADING: END OF PTT CONTROL Floating gas prices would also facilitate gas trading systems. "The price float will not have any immediate adverse effects on the poor because global LPG prices remain low," he said. Three decades old LPG price control & govt subsidy to end August 1.
Source: Bangkok Post July 07, 2017 05:15 UTC