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  • Capacity1,000MW
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Reliable, cost-effective nuclear fuel soon for Kudankulam

Kudankulam Nuclear Power Plant units 1 and 2 will have a new type of nuclear fuel which is more reliable and cost-effective and their fuel cycle will be elongated from 12 to 18 months.

Energy Asia 2 min read

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EA AI summary
  • Kudankulam Nuclear Power Plant units 1 and 2 will have a new type of nuclear fuel which is more reliable and cost-effective and their fuel cycle will be elongated from 12 to 18 months.
  • TVEL Fuel Company of Russia's State Atomic Energy Corporation Rosatom and Nuclear Power Corporation of India Limited (NPCIL) have signed an agreement to supply the nuclear fuel for the Kudankulam reactors.
  • Kudankulam 1 and 2 reactors, both of 1,000 MW each, have already been commissioned while units 3-6 are at different stages of construction.
  • Compared to the UTVS fuel model, which is currently supplied to the Kudankulam plant, TVS-2M fuel assemblies have a number of advantages making them more reliable and cost-effective.
  • The new fuel has increased uranium capacity one TVS-2M assembly contains 7.6% more fuel material as compared to UTVS.

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Kudankulam Nuclear Power Plant units 1 and 2 will have a new type of nuclear fuel which is more reliable and cost-effective and their fuel cycle will be elongated from 12 to 18 months. TVEL Fuel Company of Russia’s State Atomic Energy Corporation Rosatom and Nuclear Power Corporation of India Limited (NPCIL) have signed an agreement to supply the nuclear fuel for the Kudankulam reactors. Kudankulam 1 and 2 reactors, both of 1,000 MW each, have already been commissioned while units 3-6 are at different stages of construction.

“TVEL Fuel Company of Rosatom and Nuclear Power Corporation of India Limited (NPCIL) have signed an agreement to supply fuel contract, aimed at the implementation of a comprehensive engineering project, including introduction of the new TVS-2M nuclear fuel and elongation of the fuel cycle from 12 to 18 months for both operating VVER-1000” TVEL said in a statement.

Compared to the UTVS fuel model, which is currently supplied to the Kudankulam plant, TVS-2M fuel assemblies have a number of advantages making them more reliable and cost-effective.

It is the rigidity of a bundle because of which the welded frame, the fuel assemblies in the reactor core retain their geometry, the spacer grids protect fuel rod cladding from fretting wear (preventing from de-pressurisation), and the additional spacer grid makes fuel assemblies more vibration-resistant.

The new fuel has increased uranium capacity one TVS-2M assembly contains 7.6% more fuel material as compared to UTVS.

Natalia Nikipelova, President, TVEL, said, “Everything that we offer to our Indian partners is focused on obtaining economic benefits from nuclear power units operation. The efficiency is achieved due to the increased uranium content in a fuel bundle, reducing the amount of spent nuclear fuel and increasing duration of the fuel campaign from three to four-and-a-half years.”

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