German Nuclear Policy Reconsidered: Implications for the Electricity Market
In the aftermath of the nuclear catastrophe in Fukushima, German nuclear policy has been reconsidered. This paper demonstrates the economic e ffects of an accelerated nuclear phase-out on the German electricity generation sector. A detailed optimization model for European electricity markets is used to analyze two scenarios with di fferent lifetimes for nuclear plants (phase-out vs. prolongation). Based on political targets, both scenarios assume significant electricity demand reductions and a high share of generation from renewable energy sources in Germany. Our principal findings are: First, nuclear capacities are mainly replaced by longer lifetimes of existing coal-fired plants and the construction of new gas-fired plants. Second, fossil fuel-based generation and power imports increase, while power exports are reduced in response to the lower nuclear generation. Third, despite the increased fossil generation, challenging climate protection goals can still be achieved within the framework of the considered scenarios. Finally, system costs and electricity prices are clearly higher. We conclude that the generation sector can generally cope with an accelerated nuclear phase-out under the given assumptions. Yet, we emphasize that such a policy requires a substantial and costly transformation of the supply and the demand side.
|Date of creation:||28 Dec 2011|
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- Dr. Ulrike Lehr & Anke Mönnig & Dr. Marc Ingo Wolter & Dr. Christian Lutz & Dr. Wolfgang Schade & Dr. Michael Krail, 2011. "Die Modelle ASTRA und PANTA RHEI zur Abschätzung gesamtwirtschaftlicher Wirkungen umweltpolitischer Instrumente - ein Vergleich," GWS Discussion Paper Series 11-4, GWS - Institute of Economic Structures Research.
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- Nagl, Stephan & Fürsch, Michaela & Paulus, Moritz & Richter, Jan & Trüby, Johannes & Lindenberger, Dietmar, 2011. "Energy policy scenarios to reach challenging climate protection targets in the German electricity sector until 2050," Utilities Policy, Elsevier, vol. 19(3), pages 185-192.
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