# Reactor Technology Rationale for Construction of Substitution and New Power Units in Ukraine after 2035

Y. M. Niearonov1, T. Y. Baybuzenko1, V. Y. Shenderovych2, M. I. Vlasenko3, О. V. Godun3, V. M. Кyrianchuk3, G. R. Semenov3, L. І. Gromok3

1JSC “Kyiv Research and Design Institute ‘Energoproject’”, 4, Peremogy ave., Kyiv, 01135, Ukraine
2SE “State Scientific and Technical Center for Nuclear and Radiation Safety”, 35−37, V. Stusa st., Kyiv, 03142, Ukraine
3Separate Subdivision “Scientific and Technical Center”, SE “NNEGC ‘Еnergoatom’”, 22−24, Hoholivska st., Kyiv, 01054, Ukraine

DOI: doi.org/10.31717/2311-8253.20.3.2

### Abstract

An algorithm of selecting the reactor technology type were constructed. The algorithm is based on a comparative assessment of the respective nuclear power plants. The formation of qualitative and quantitative criteria is performed for the estimation algorithm. Tools of the International Atomic Energy Agency (IAEA) INPRO-KIND project on multi-criteria comparative assessment of nuclear power plants for ranking the obtained results were adapted. The sensitivity analysis of the obtained results to change of numerical values and weight of criteria is carried out. The choice of the type of reactor technology for construction in Ukraine after 2035 is substantiated. It is shown that PWR and SMR reactor technologies in Ukraine are the most promising direction in the development of nuclear energy in Ukraine.

Taking into account the factors of uncertainty and sensitivity to the values of the original data and possible risks, results of the analysis shows that there is a trend of advantages of SMR reactors, which generally have higher ratings compared to PWR, BWR and HWR. At the same time, the level of multi-criteria ratings of PWR reactors is close to SMR reactors.

Making a further decision on the type of reactor technology for the conditions of Ukraine, it is necessary to take into account the possibility of its maximal total installed capacity deployment. It is necessary to conduct a separate study to determine the optimal ratio of reactor technologies PWR and SMR in the power system of Ukraine, taking into account the prospects for the deployment of renewable energy sources.

Keywords: KIND, INPRO, multi-criteria assessment, reactor technology.

References

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Published
2020-09-21

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