New Delhi, Aug. 1 -- Profit from Tata Power Co. Ltd's renewable businesses outgrew quarterly earnings from coal-based power generation and distribution for the first time, helping the company report higher profits for 23 straight quarters.

Tata Power expects the renewables-led boom in its financials to continue, especially in its rooftop solar and solar cell and panel manufacturing businesses, said managing director Praveer Sinha.

"The (momentum in) manufacturing will sustain and improve in the coming quarters because now we are getting better yields and better efficiency. The rooftop solar business will improve a lot," Sinha said in an interview on Friday.

Tata Power is the market leader in making rooftop solar units. Its renewable en...