He has a Google Scholar h-index of 45 with 11839 number of citations, the highest for engineering in Sri Lanka. He has held research grants in Sri Lanka and UK that total 2 million GBP An article published by researchers from Stanford University and Elsevier BV in 2020 ranked him among the top 2% of researchers in the world (2nd in Sri Lanka). He obtained the CVCD Excellence Awards in 2018, NSF Research Award for Scientific Excellence in 2018, and 7 Presidential Awards for Research. Prof. Ekanayake is a Fellow of IEEE (USA), IET (UK), and IESL. He is also recognized as an IEEE PES distinguished lecturer. He has given keynote and invited speeches at many conferences in the UK, China, and India. Prof. Ekanayake has contributed to renewable energy generation and integration in the UK, Bangladesh, Vietnam and Sri Lanka. He a member of the editorial board of IEEE Transaction on Energy Conversion (2007 to 2019), IET Journal of Renewable Energy (2015 to date), Journal of Wind Energy (2013 to date), and Ceylon Journal of Science (2016 to 2018). He was the Organising Vice Chairperson of the First IEEE PES conference of Innovative Smart Grid Technologies (2012) held in Tianjin, China. Prof. Ekanayake is the Chair Professor of Electrical and Electronic Engineering of the University of Peradeniya.