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Assessing TYNDP 2014 PCI list in power
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Assessing TYNDP 2014 PCI list in power

Study S02

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Interconnectors between national electricity networks offer opportunities for the integration of a larger share of variable renewables, i.e. more sustainable energy, more resilience in case of disruption of supply and more opportunities for the electricity market. The present study assesses the impact of a list of interconnectors (from the ENTSO-E's TYNDP 2014 project list), following the ENTSO-E methodology. For this purpose, the METIS software, developed by Artelys, IAEW, ConGas and Frontier Economics for the DG ENER, was used to measure several criteria related to economic, environmental and security of supply topics. These are the same criteria used by ENTSO-E to perform cost benefit analysis of PCI projects. The analysis was performed on two 2030 contexts, with different RES shares, based on two ENTSO-E visions in terms of demand and power generation capacities. The benefits brought by the PCIs on the list are assessed by comparing annual power optimal dispatch at hourly time step (on ten years of weather realizations), with the current power transmission network on the one hand, and after adding the studied PCI the other hand. The individual impact of each interconnector is not studied in this report. The simulations show that the studied PCIs (with 75 GW of additional interconnector capacity) are beneficial on various aspects, especially in a context with high RES share. The PCI list allows to improve security of supply (avoiding 70% to 93% of the loss of load), RES integration (avoiding up to 19 TWh of RES curtailment) and market integration (avoiding about 1 000 hours of price divergence, in average on all European interconnectors). Furthermore, for scenario with high carbon price, the PCIs decrease gross CO2 emissions by 7%. Finally 2 to 4 billion € per year of fuel costs would be saved, and the increase of European Socio Economic Welfare is assessed at 3 to 5 billion € per year, while the annual cost of implementing the studied PCI list is estimated by ENTSO-E at 2 billion € per year.
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ISBN 978-92-76-03431-5
DOI 10.2833/014454
Luettelonumero MJ-02-19-303-EN-N
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ISSN ISBN 978-92-76-03431-5 DOI 10.2833/014454 Luettelonumero MJ-02-19-303-EN-N
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