Jayamary. A is currently serving as the Director – Operation in Tamil Nadu Transmission Corporation Limited (TANTRANSCO), she is the first woman Director in the Tamil Nadu State Power Transmission Utility. After completing her Bachelors of Engineering (BE) in Electronics & Communication from PSG College of Technology, Coimbatore, she started her career with Tamil Nadu Electricity Board (TNEB) as an Assistant Engineer in 1985. After a while, she took sabbatical, and completed her Masters in Engineering (ME) in Instrumentation Engineering from Anna University and joined back TNEB as Assistant Executive Engineer in 1996. Apart from many of her contributions at TNEB, Jayamary remained instrumental in developing the methodology and formulating procedures for the Open Access transactions in ABT (Availability Based Tariff) division.
In 2015, she was promoted as Chief Engineer of Grid Operation, wherein she contributed significantly to the grid operations when the state was incorporating significant amount of RE in its power system. She was not only credited for proactively adopting steps for grid integration of RE in Tamil Nadu but she also showed exemplary leadership during 2015 deluge in Chennai, Wardah cyclone in 2016 and the Okhi cyclone in 2017 and bringing back the operations into normalcy within 24 hours of climatic disruptions. During her tenure as Director/ Operation, Tamil Nadu State Load Despatch Centre was awarded to be the “Leading State Load Despatch Centre” in the country for its commendable role in integrating Renewable Energy effectively during 2017.