灵活性在碳中和电力系统中的价值
The Value of Flexibility in a Carbon Neutral Power System
摘要：
在本文中，我们使用制定的发电扩展规划问题，每小时的时间分辨率，调查的影响，不同来源的灵活性的碳中性中欧电力系统（重点是瑞士）的可用性为2040年。我们评估了灵活发电，负荷转移和进口对现有和新建机组的投资和运营的作用。我们的研究结果表明，将负荷转移作为优化的一部分可以减少对RES和传统技术的投资需求。新建的灵活发电机（燃气轮机）和负荷转移的组合增加了模拟电力系统的灵活性，并导致整体系统成本最低。瑞士与邻国之间跨境传输容量的减少对国内运营和投资产生了重大影响，但也可能影响周边国家。
英文摘要：
In this paper, we use a formulation of the generation expansion planning problem with hourly temporal resolution, to investigate the impact of the availability of different sources of flexibility on a carbon-neutral central European power system (with a focus on Switzerland) for the year 2040. We assess the role of flexible generation, load shifting and imports on the investment and operation of existing and newly built units. Our results show that including load shifting as part of the optimization could reduce the need for investments in both RES and conventional technologies. The combination of newly built flexible generators (gas turbines) and load shifting increases the flexibility of the simulated power system and results in the overall lowest system costs. The reduction of cross-border transmission capacity between Switzerland and its neighbors has a significant impact on the domestic operation and investments but could also affect the surrounding countries.
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