Tamilnadu electricity is very much useful and it is very much user friendly i should say. The power charged there to generate a bulb for single year is coal 714 pounds, nuclear 0.35 pounds, Natural gas 143 pounds, Hydro electric 339 KW, Solar 8days 8hrs14 min 24 sec, wind far 2hr, 20 min 9sec. And providing the site to pay is very much easy to every user and they can save their lots of valuable time and extra money. And tamilnadu state is very much and 2nd largest state in terms of square area land. Tneb online payment is very much useful now a days to every user to pay the bills everyday from home itself.