NTPC invites bids for procurement of biomass pellets to co-fire thermal power plants

  • For the past three years, NTPC has been procuring biomass pellets for its various thermal plants

  • The procurement of pellets is also aimed at reducing the burning of crop residue on farmlands that cause air pollution

  • NTPC will consume five million tonnes of biomass pellets in the current year at its 17 its power plants

New Delhi: NTPC Limited, India's largest power producer, has invited bids for procurement of biomass pellets for its various thermal plants on the basis of Domestic Competitive Basis (DCB) as part of its endeavour to reduce the 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 unique initiative on the 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, NTPC now plans to replicate the model in 17 of its state of the art 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 the supply chain for biomass. The power producer will give preference to bids from suppliers from Punjab and Haryana. The bidders need to notify NTPC about the relevant provisions of the bidding documents before submitting their bids. 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 a gradual increase in the percentage of firing from 2.5 percent to 10 percent along with coal. Till date, the company has fired more than 7,000 tonnes of agro residue pellets.

Also read: NTPC to set up industrial parks within power plant premises, invites EoI

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 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 the solar capacity of 125,000-150,000 MW.

The present installed capacity of NTPC Limited is 6,2,910 MW (including 11,755 MW through JVs and subsidiaries), comprising of 70 NTPC stations (24 coal-based stations, 7 combined cycle gas and liquid fuel based stations, 1 hydro based station, 1 wind-based station), 25 Joint Venture stations (9 coal-based and 4 gas based) and 12 renewable energy projects. The company aims to achieve a total installed capacity of 130 GW by 2032.

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