PTT steps up daily purchase of gas Move comes after plants fell short published : 20 May 2021 at 04:08 3 An LNG receiving terminal of PTT Plc. The company plans to sell more gas to ensure there is sufficient electricity supply during the hot season. National oil and gas conglomerate PTT Plc is increasing its purchase of natural gas by 450 million standard cubic feet per day (MMSCFD) after four coal-fired power plants in Thailand and Laos were not able to produce electricity as planned during peak hours. The company plans to sell more gas, a key fuel for power generation, to other gas-fired power plants to ensure sufficient electricity supply as demand is high during the hot season.