The Anil Ambani promoted company had reported a net profit of Rs 240.06 crore during the April-June quarter of last fiscal, 2013-14.
RPower's total income from operations in Q1, 2014-15 rose to Rs 1,753.07 crore from Rs 1,122.85 crore in the year-ago period, the company said in a statement. Its other income dropped to Rs 57 crore, from Rs 83 crore.
The company's flagship Sasan ultra mega power project in Madhya Pradesh has achieved a capacity of 2,640 MW after commissioning of four 660 MW units, the statement said.
It added that the construction work is in full swing for the remaining one unit of the Sasan UMPP and is on track to be commissioned in the current year.
The 20 million tonnes per annum coal mines attached to Sasan project is already operational.
The company's Rosa power plant in Uttar Pradesh generated 2,464 million units.
The Butibori plant in Maharashtra generated 873 Million units.
Reliance Power's solar and wind power plants -- 40 MW Dhursar Solar Photo Voltaic in Rajasthan and 45 MW wind capacity in Maharashtra -- generated 19.5 million units and 25 million units, respectively.
"The 100 MW Concentrated Solar Power (CSP) project in Dhursar, Rajasthan is in advanced stage of commissioning," the statement added.
Concentrated solar power systems use mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a small area.