New Delhi, Aug. 28 -- State-owned aluminium producer National Aluminium Company Limited (NALCO) is set to invest Rs 30,000 crore as part of its expansion plans over the next 5 years through 2030.

The expansion plans include setting up of a smelter plant and a captive coal power plant, CMD Brijendra Pratap Singh told reporters Thursday.

"Our existing mining capacity, bauxite mining capacity, is 75 lakh tonnes. We are adding one mine...which will be a 3 million tonnes mine. So from 7.5 million tonnes, we'll be going to maybe 10.5 or maybe 11 million tonnes of bauxite mining.. This will start in next one year."

As far as alumina is concerned, refining alumina chemical production, NALCO's existing capacity is 2.1 million tonnes.

"We are a...