Empirical Analysis of Ensuring Electricity Supply and Promoting Renewable Power Consumption Before and After the Shutdown of Nuclear Power Plants: the Germany Case

doi:10.11930/j.issn.1004-9649.202307055

Abstract

Abstract:

On April 15th 2023, Germany has shut down all their nuclear power plants as scheduled, although the Russian-Ukrainian conflict crisis remains unresolved. Up to now, its power supply security has not been significantly affected, as the results of sufficient conventional power generation capacity as well as their flexible regulation capacity, the solid and efficient transnational power grid, the efficient power market, and the high-accuracy renewable power forecasting technology. The German power system has initially accomplished the goal of a "high proportion of renewable energy penetration, flexible and stable grid operation and market-based electricity pricing", but the high costs and high electricity price have brought heavy burden. Taking Germany as a reference, this study puts forward some suggestions for ensuring a safe and reliable supply of electricity and promoting a high proportion of renewable energy consumption during the energy transition process of China.

Key words: Germany nuclear power plants, energy transition, renewable energy, electric power safety.

Zhilin LIU, Chuanlong XU, Haifeng ZHENG, Jiangtao LI, Li YAO, Qing LIU, Yi DU. Empirical Analysis of Ensuring Electricity Supply and Promoting Renewable Power Consumption Before and After the Shutdown of Nuclear Power Plants: the Germany Case[J]. Electric Power, 2023, 56(10): 145-152.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202307055

https://www.electricpower.com.cn/EN/Y2023/V56/I10/145

Figures/Tables 7

Fig.1 Installation and proportion of all kinds of power supplies in Germany in 2022

Fig.2 High proportion of renewable energy supply guarantee and consumption promotion measures in Germany

Fig.3 Changes of German net export electricity from 1992 to 2022

Fig.4 Changes of output of all kinds of power sources and imported power before and after nuclear power shutdown in Germany

Fig.5 Changes of residential and industrial electricity prices in Germany from 2010 to 2022

Fig.6 Cost structure of residential electricity price in Germany with an annual consumption of 3500 kW·h from 2010 to 2022

Fig.7 Market price trend in Germany since 2022

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