It was the third record-breaking peak of this year after 27.14GW on April 21 and 27.06GW on April 7.
Soonchai Kumnoonsate, governor of the Electricity Generating Authority of Thailand, said the state enterprise was preparing sufficient electricity and fuel to meet demand
Everyone can make a contribution to saving energy in such ways as cleaning air-conditioners, turning off unnecessary lights, keeping air-conditioners at 25 degrees Celsius, unplugging unused appliances and shifting to energy-saving light bulbs, he said.