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SOE: Fachverband Physik sozio-ökonomischer Systeme
SOE 7: Socio-economic models of climate change impact
SOE 7.2: Vortrag
Freitag, 1. Oktober 2021, 10:30–11:00, H6
Carbin dioxide emission quota attributions in a power system comprised of highly self-sufficient European actors — •Leon Joachim Schwenk-Nebbe1,2, Marta Victoria1,2, Gorm Bruun Andresen1,2, and Martin Greiner1,2 — 1Department of Engineering, Aarhus University, Aarhus, Denmark — 2iCLIMATE Interdisciplinary Centre for Climate Change, Aarhus University
The European countries all agree that carbon dioxide (CO2) emissions need to be decreased in the power sector. The ever dividing question is who must contribute by how much. We investigate possible near-future electricity system configurations where three aspects of collaboration between the individual countries are parametrized. First, the individual countries are attributed a CO2 emission quota in different ways. We show that a global carbon dioxide emission constraint with a global price leads to a particularly uneven emission distribution in a cost-optimal European electricity system. Different emission attributions are shown to strongly influence the required local emission prices. Second, they can collaborate by relaxing their need for autonomy and becoming less self-sufficient by placing generation capacity in countries with better prerequisites. Third, collaboration can also be strengthened by extending the cross-border transmission grid. We conclude that it is significantly easier for certain countries to decarbonize their electricity production than for others. We find that a deep collaboration between the European countries leads to not only a lowered total system cost but to CO2 emissions, and required CO2 prices that are much more equal between the European partners.