"KPMG is working on coal rationalisation and the first draft of that report will be submitted to us in a day or two," the minister said here at the ACMA event.
As part of the government's plan to modernise old power plants of about 32,000 MW capacity, coal linkages to these plants will be rationalised.
The government has also allowed automatic transfer of linkages from old and inefficient plants to ultra-modern supercritical plants in order to maximise power generation from the same amount of coal.
Ministry of Power and Coal, last week, allowed Gujarat government to swap the quantity of coal it receives from coal mines in Chhattisgarh for its plants with NTPC's imported coal.
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State-run NTPC imports coal through Gujarat ports for its thermal plants in Chhattisgarh.
The minister had earlier said that the public sector firm Coal India will spend Rs 5,000 crore to purchase 250 rail rakes for faster evacuation of coal from mines.
The proposed move will help the government in bringing about a transformative change in the power sector and ensure affordable 24x7 power for all homes, industrial and commercial establishments and adequate power for farms, the minister had said.