Energy is a basic infrastructure for economic development in Tamil Nadu. Agriculture and industry require infrastructure like irrigation, transportation, machinery, and energy. Energy is the most important single factor constraining economic growth, as there is a direct correlation between energy consumption and economic development. Per capita energy consumption in Tamil Nadu is lower than other developing countries. Commercial energy sources in Tamil Nadu include coal, oil, electricity, while non-commercial sources are firewood and agricultural waste. Tamil Nadu faces an energy crisis due to increasing demand from economic growth and constraints in the supply of coal, oil, and electricity. The state government must take measures to increase power generation capacity and develop alternative energy sources like bio-diesel and nuclear power to