"Central Electricity Regulatory Commission (CERC) has approved change in law during Operations petition filed by Sasan Power Ltd," the company said in a statement.
The order allows it to claim increase in electricity duty rate and energy development cess on sale of power to the Madhya Pradesh and on auxiliary power consumption, it said.
One time compensation of Rs 271 crore is granted by regulatory commission till July 31, 2015, the company said.
The Sasan ultra mega power project, implemented in Singrauli district of Madhya Pradesh, is the 4,000 MW plant operating at over 100 per cent PLF.
Reliance Power, a part of the Reliance Group, is a leading private sector power generation and coal resources company. The company has the largest portfolio of power projects in the private sector, based on coal, gas, hydro and renewable energy, with an operating capacity of 5,945 mw.