TATA POWER CO LTD revenue for the last year amounted to 551.09 B INR, the most of which — 345.29 B INR — came from its highest performing source at the moment, Transmission and Distribution, the year earlier bringing 274.93 B INR. The greatest contribution to the revenue figure was made by India — last year it brought TATA POWER CO LTD 558.61 B INR, and the year before that — 424.03 B INR.