National Aluminium Company Ltd (Nalco) has achieved the highest-ever cast metal production of 4,43,597 tonnes for 2010-11 against the previous best of 4,31,488 tonnes in 2009-10, according to a press release.
Nalco's alumina refinery achieved 98.8 per cent capacity utilisation by producing 15.56 lakh tonnes (lt) of alumina hydrate, while bauxite mines produced 48.24 lt with a capacity utilisation of 100.5 per cent.
The captive power unit generated 6,608 million units against the previous best of 6,293 million units in 2009-10.
On the sales front, the company achieved the highest-ever metal sale of 4,38,952 tonnes against the previous best of 4,35,979 tonnes in 2009-10. The rise in demand for aluminium in the domestic market led to the higher sales.
The highest-ever domestic metal sale of 3,40,752 tonnes was achieved in the year against 2,89,032 tonnes during the previous year.
It also sold 20,022 tonnes of rolled products in the domestic market against the previous best of 14,419 tonnes. The company added aluminium T-ingots to its product range for the first time in the aluminium industry.
The Nalco also resumed export of billets after a decade and the exports amounted to 4,614 tonnes.