Powergrid is India's largest transmission utility, responsible for carrying about 50% of the country's total power generation. It owns and operates over 1,01,379 circuit km of transmission lines. Powergrid sees steady growth opportunities in areas like green energy corridors and smart grids. Under its 12th five-year plan, Powergrid will invest Rs. 1,10,000 crore between 2012-2017 in transmission projects. Financially, Powergrid has posted healthy revenue and profit growth in recent years and offers a stable return on equity of around 16%.