Biggest electricity companies in India

The electricity sector in India had an installed capacity of 199.6 Gigawatt as of March 2012, the world's fifth largest.

Thermal power plants constitute 65 per cent of the installed capacity, hydroelectric about 21 per cent and rest being a combination of wind, small hydro, biomass, waste-to-electricity, and nuclear.

Let's take a look at some of the biggest electricity-producing companies in India.

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