What is EATF?

Enhanced accident tolerant fuel – or EATF – designs can tolerate loss of active cooling in the reactor core for longer time periods in light water reactors while maintaining or improving fuel performance during normal operations.

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GAIA Assembly

What are the benefits?

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Increased temperature resistance
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Increased coping time
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More affordable, sustainable operations
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Optimized safety systems and operations


AREVA NP’s near-term solution places EATF features – chromia-enhanced pellets and chromium-coated cladding as well as accident-tolerant control components – in its next-generation BWR and PWR fuel designs, offering operators enhanced efficiency and reliability.

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Who does AREVA NP work with?

AREVA NP’s EATF program is built on the collective knowledge, skills, and expertise of leaders from across the nuclear sector – utilities, national labs, universities and industry organizations.

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How is AREVA NP bringing EATF to the industry?

  • Pre-2000

    AREVA, EDF and CEA research on enhanced safety margin material concepts

    CEA program for multilayer silicon carbide (SiC) concept for Gen IV reactors

    AREVA begins experimental work on SiC concept

    Testing of Chromia-doped pellets

  • 2011

    Fukushima Incident

  • 2012

    Congress gives $59M to DOE for EATF program

    2012-2015 DOE phase 1A concepts and evaluation

  • 2014

    2014-2016 DOE phase 1B concepts and feasibility

  • 2016

    2016-2022 DOE phase 2 lead products implementation for Cr-Cr concept

  • 2017

    NRC licensing process

    AREVA NP advances to phase 2 of DOE EATF program

    AREVA NP begins Chromia-enhanced fuel pellet production in Richland, Washington

    Chromia-enhanced fuel pellet testing at Idaho National Lab (INL)

  • 2018

    AREVA NP begins EATF lead production in Richland, Washington

  • 2019

    AREVA NP lead Cr-Cr assemblies in commercial reactor

  • 2020

    AREVA lead AT control components in commercial reactor

  • 2021

    DOE target for irradiation

  • 2022

    AREVA lead fuel rods for SiC concept in commercial reactor

    DOE target for lead fuel assemblies in commercial reactor

  • 2025

    AREVA ready for production of reload Cr-Cr assemblies