Thermal Power

28 Sep 2020

NTPC Invites Bids for Biomass Pellet Procurement for Thermal Plants

28 Sep 2020  by IANS   

State-run NTPC has invited bids for procurement of biomass pellets for its various thermal plants on domestic competitive basis (DCB) as part of its endeavour to reduce burning of crop residue on farmlands that cause air pollution.

The power producer has envisaged consumption of five million tonnes of pellets in the current year at its 17 its power plants including NTPC Korba (Chhattisgarh), NTPC Farakka (West Bengal), NTPC Dadri (Uttar Pradesh), NTPC Kudgi (Karnataka), NTPC Sipat (Chhattisgarh), and NTPC Rihand (Uttar Pradesh).

NTPC had first undertaken this initiative on pilot basis in 2017 for biomass co-firing by replacing some of the coal with pellet-based fuel at NTPC Dadri, Uttar Pradesh. Post successful implementation, it now plans to replicate the model in 17 of its plants.

The invitation for bids would be done through e-tendering at SRM Portal. The bidding process will be followed by the 'Single Stage - Two Envelope' Bidding System.

"NTPC is confident that co-firing will help create large scale rural employment opportunities in processing as well as supply chain for biomass," the company said in a statement on Sunday.

The power producer will give preference to bids from suppliers from Punjab and Haryana.

NTPC had fired 100 tonnes of agro residue-based pellets at Dadri, Uttar Pradesh in 2017. The test-firing was carried out in four phases, with gradual increase in percentage of firing from 2.5 per cent to 10 per cent along with coal. Till date, the company has fired more than 7,000 tonnes of agro residue pellets.

As per estimates, about 145 MMTPA of crop residue remains unutilised and most of it is burnt in India in the open fields, creating severe air pollution that leads to health issues. Open burning of agro residue is considered a major contributor to the surge in PM 2.5 in northern India in the post-harvesting season.

"With its gross calorific value comparable to the bituminous coal, the power generation potential of the entire 145 MMTPA biomass burnt through co-firing in coal-based power plants is equivalent to 28,000-30,000 MW of round-the-clock generation of renewable power which can produce the same amount of electrical energy as can be produced from solar capacity of 125,000-150,000 MW," the NTPC statement said.


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