On September 16, 2019, Mr. Kirapat Jiamset, Governor of Metropolitan Electricity Authority and Mr. Sumpan Vongphan, Managing Director of Tirathai Public Company Limited, signed the contract no. MP2-8975-CGE for CSP transformers (Completely Self Protected Type) 3 phases’ 4 lines 50 Hz 225 kVA of 715 sets, worth approximately 418 million baht.

Metropolitan Electricity Authority is a state-owned enterprise that always support and use domestic products all along. MEA has promoted and supports the use of 300 MVA Tirathai transformers with a voltage of 230 kV, which is the largest transformer and maximum voltage system and produced domestically since 2008 by installing and using at Chidlom Power Station

Currently, Thailand's transformer industry is the most progressive development in Southeast Asia. This industry substitutes imports from foreign countries and can also be manufactured and exported to other countries

Thai industry will develop and advance, the government must promote and support for the use of Thailand.