Analyzing major challenges of wind and solar variability in power systems

被引:197
作者
Ueckerdt, Falko [1 ]
Brecha, Robert [1 ,2 ,3 ]
Luderer, Gunnar [1 ]
机构
[1] Potsdam Inst Climate Impact Res, D-14412 Potsdam, Germany
[2] Univ Dayton, Renewable & Clean Energy Program, Dept Phys, Dayton, OH 45469 USA
[3] Univ Dayton, Sustainabil Energy & Environm SEE Program, Dayton, OH 45469 USA
关键词
Variable renewables; Wind; Solar; Integration; Residual load duration curves; Capacity credit; GENERATION; ELECTRICITY; INTEGRATION; IMPACTS; ENERGY; COSTS; LOAD;
D O I
10.1016/j.renene.2015.03.002
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Ambitious policy targets together with current and projected high growth rates indicate that future power systems will likely show substantially increased generation from renewable energy sources. A large share will come from the variable renewable energy (VRE) sources wind and solar photovoltaics (PV); however, integrating wind and solar causes challenges for existing power systems. In this paper we analyze three major integration challenges related to the structural matching of demand with the supply of wind and solar power: low capacity credit, reduced utilization of dispatchable plants, and overproduced generation. Based on residual load duration curves we define corresponding challenge variables and estimate their dependence on region (US Indiana and Germany), penetration and mix of wind and solar generation. Results show that the impacts of increasing wind and solar shares can become substantial, and increase with penetration, independently of mix and region. Solar PV at low penetrations is much easier to integrate in many areas of the US than in Germany; however, some impacts (e.g. over-production) increase significantly with higher shares. For wind power, the impacts increase rather moderately and are fairly similar in US Indiana and Germany. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1 / 10
页数:10
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