"Three of the country?s four offshore gas fields are to be shut down in April ?for annual maintenance”, according to a senior official with Myanma Oil and Gas Enterprise...The Yadana, Yetagun and Zawtika gas fields are to be halted for about a week each at the end of April, said the official, who is an offshore director but declined to be named. ?We have negotiated with PTT [the gas buyer] for gas exports, and with the Ministry of Electric Power for domestic supply, to arrange a shutdown of the gas fields for maintenance,” he said yesterday. ?It will start in April around the time of the water festival.” Thailand relies heavily on natural gas for 70 percent of its electricity generation, with about one-fifth of its supply coming from Myanmar, according to Reuters. Yadana and Yetagun will be shut down for maintenance from April 10 to 19 and Zawtika from April 20 to 27, according to Reuters news agency, which quoted a statement from Thailand?s state-owned PTT..."