The role of decentralised flexibility options for managing transmission grid congestions in Germany

Q1 Social Sciences

Electricity Journal Pub Date : 2024-01-01 DOI:10.1016/j.tej.2023.107363

Dierk Bauknecht , Franziska Flachsbarth , Matthias Koch , Moritz Vogel

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引用次数: 0

Abstract

Decentralised flexibility options connected to the distribution grid can be used for congestion management in the transmission grid. Their potential contribution for the transmission grid in Germany is investigated in a scenario analysis for the years 2030, 2040 and 2050.

The model-based evaluation shows that until 2050, cumulative grid congestion increases significantly, which indicates that there is a significant need for grid expansion. Decentralised flexibility options can reduce the cumulative grid congestion of the transmission grid by around 15% in 2030 to around 10% in 2050 if decentralised flexibility options are operated not just in line with the power market, but also with a view to transmission grid requirements. In absolute terms, the benefit of the decentralised flexibility options increases over time.

However, decentralised flexibility options are only suitable in a few cases to fully resolve grid congestions on a certain power line which indicates that grid extension might still be necessary, especially in the long term. Yet decentralised flexibility can still have effects on operational grid management (short-term perspective) and grid expansion needs (medium- and long-term perspective). Therefore, creating a suitable policy framework for the use of decentralised flexibilities is a contribution to achieving climate protection goals.

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分散式灵活性方案在管理德国输电网拥塞方面的作用

与配电网相连的分散式灵活性方案可用于输电网的拥堵管理。基于模型的评估结果表明，直到 2050 年，电网的累积拥堵会显著增加，这表明电网有很大的扩展需求。如果分散式灵活性方案的运行不仅与电力市场保持一致，而且还考虑到输电网的要求，则分散式灵活性方案可将输电网的累计电网拥塞率从 2030 年的约 15%降至 2050 年的约 10%。从绝对值来看，分散式灵活性方案的效益会随着时间的推移而增加。然而，分散式灵活性方案只有在少数情况下才能完全解决某条输电线上的电网拥塞问题，这表明电网延伸可能仍然是必要的，特别是在长期。然而，分散式灵活性仍会对电网运行管理（短期角度）和电网扩展需求（中长期角度）产生影响。因此，为分散式灵活性的使用建立一个合适的政策框架，有助于实现气候保护目标。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Electricity Journal Business, Management and Accounting-Business and International Management

CiteScore

5.80

自引率

0.00%

发文量

审稿时长

31 days

期刊介绍： The Electricity Journal is the leading journal in electric power policy. The journal deals primarily with fuel diversity and the energy mix needed for optimal energy market performance, and therefore covers the full spectrum of energy, from coal, nuclear, natural gas and oil, to renewable energy sources including hydro, solar, geothermal and wind power. Recently, the journal has been publishing in emerging areas including energy storage, microgrid strategies, dynamic pricing, cyber security, climate change, cap and trade, distributed generation, net metering, transmission and generation market dynamics. The Electricity Journal aims to bring together the most thoughtful and influential thinkers globally from across industry, practitioners, government, policymakers and academia. The Editorial Advisory Board is comprised of electric industry thought leaders who have served as regulators, consultants, litigators, and market advocates. Their collective experience helps ensure that the most relevant and thought-provoking issues are presented to our readers, and helps navigate the emerging shape and design of the electricity/energy industry.