Anil Ambani group firm Reliance Power today said it has commissioned another 300-MW unit under its Rosa project in Uttar Pradesh, taking the company's total capacity to 900 MW.

Reliance Power expects to have a total installed capacity of 5,000 MW by December, 2012, including thermal, gas and renewable energy. This would include the first 660-MW unit of the Sasan Ultra Mega Power Project, which would be commissioned by December next year, company CEO J P Chalasani said.