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The role of nuclear power plants in electricity systems with high RES share

T. Gerres, J.P. Chaves, F. Martín, M. Rivier, T. Gómez

13th IEEE PowerTech Conference - PowerTech 2019, Milano (Italy). 23-27 June 2019


Summary:

Electricity systems are facing a major transition process from fossil based generation to renewable energy sources (RES). In the European Union target quotas for renewable energy generation have been agreed for the 2030 horizon. While there is consensus about the need for this transition, the future role of nuclear power is highly uncertain. This work explores the role of nuclear energy in an electricity system complying with elevated RES generation quotas. The impact of the long term operation (LTO) of the Spanish nuclear fleet on the electricity system costs, the revenue of nuclear operators, investment decisions in new generation capacity and the CO2 balance are also analysed. Furthermore, the benefits of the flexible operation of nuclear plants are studied. Results indicate that the nuclear LTO drastically reduces the CO2 intensity of electricity production, but the system requires additional generation and storage capacity investments to reach high RES quotas diminishing the revenue of the nuclear generators.


DOI: DOI icon https://doi.org/10.1109/PTC.2019.8810545

Published in 2019 IEEE Milan PowerTech, pp: 1148-1153, ISBN: 978-1-5386-4723-3

Publication date: 2019-08-26.



Citation:
T. Gerres, J.P. Chaves, F. Martín, M. Rivier, T. Gómez, The role of nuclear power plants in electricity systems with high RES share, 13th IEEE PowerTech Conference - PowerTech 2019, Milano (Italy). 23-27 June 2019. In: 2019 IEEE Milan PowerTech: Conference proceedings, ISBN: 978-1-5386-4723-3


    Research topics:
  • Green energy integration
  • Energy markets design and regulation
  • Analysis of sustainable energy policies
  • Long-term energy scenarios : Long-term energy scenarios

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