The entity had a profit of Rs 152.84 crore in the same period a year ago.

However, JSW Energy's total income climbed to Rs 1,768.66 crore in the third quarter of current fiscal from Rs 1,076.54 crore in the year-ago period.

JSW Energy in a statement said fuel cost during the 2011 December quarter jumped over 67 per cent to Rs 1,065 crore compared to corresponding period last fiscal.

"The performance of the company was impacted due to the increased cost of imported fuel," the firm said.

The impact of slight moderation in the index prices of imported coal and measures initiated for enhanced usage of low calorific coal during the quarter were completely wiped out due to steep depreciation of Indian currency against the US dollar, JSW Energy said.

According to the statement, the company is pursuing various alternatives to reduce cost of imported coal.

It noted the loss after tax was mainly on account of foreign exchange losses, under recovery of the fixed costs at the adhoc interim tariff provided for the Barmer project and increase in interest and depreciation due to commissioning of additional capacities.

"The government is inclined to comprehend issues encountered by the sector and work towards resolving the issues to enable the sector to sustain, develop and grow.