Mr. Thanassis Tsantilas
Chairman & Managing Director at Rokas Renewables
An Iberdrola Renewables Company
Rokas Renewables S.A. – An Iberdrola Renewables Company
Leading the Energy Transition in Greece for Over 25 Years Rokas S.A. (Rokas Renewables) is one of the pioneering companies in the Greek Renewable Energy sector.
With more than 25 years of continuous activity, the company has developed, constructed, and operated high‑quality RES projects across the country, contributing decisively to Greece’s energy transformation.
As a subsidiary of the Iberdrola Group—a global energy leader, the world’s top producer of wind power, and one of the largest utilities by market capitalization—Rokas Renewables combines international expertise with deep local market knowledge.
This strategic synergy ensures the delivery of technologically advanced, sustainable, and socially responsible energy solutions. Our long-standing experience covers both renewable energy projects and the development of essential supporting infrastructure, such as road access networks and electrical interconnection systems, ensuring the optimal performance and integration of our projects into the energy grid
Thanasis Tsantilas, Chairman of the Board & CEO — C. Rokas S.A. (Rokas Renewables)- Iberdrola Group
Thanasis Tsantilas is a seasoned executive with extensive experience in the Energy and Electromechanical sectors. A Mechanical Engineer with an MBA from Henley Business School (University of Reading), he has been part of the Rokas Group since 1989. In his role as Chairman and CEO, he oversees the strategic direction, development, construction, and operation of the Group’s RES portfolio. His leadership has played a
