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@PHDTHESIS{Schumann:1010562,
author = {Schumann, Klemens},
othercontributors = {Ulbig, Andreas and Wogrin, Sonja},
title = {{E}conomic and technical effects of large scale energy
sharing : a {G}erman case study},
volume = {235},
school = {RWTH Aachen University},
type = {Dissertation},
address = {Aachen},
publisher = {printproduction M. Wolff},
reportid = {RWTH-2025-04183},
isbn = {3-9826354-5-4},
series = {Aachener Beiträge zur Energieversorgung},
pages = {xxi, 199 Seiten : Illustrationen},
year = {2025},
note = {Dissertation, RWTH Aachen University, 2025},
abstract = {Energy Sharing (ES) has been implemented within the
framework of the Clean Energy Package to support the energy
transition. The concept enables end customers to exchange
self-generated electricity within specific regional
boundaries. Germany intends to introduce ES but still needs
to define the precise regulatory design. While ES does not
lead to significant effects on a small scale, a successful
nationwide rollout of ES could lead to significant economic
and technical effects on stakeholders in the energy system.
Against this background, the work aims to determine the
technical and economic effects of a large-scale roll-out of
ES in Germany. To assess the nationwide impact of ES, a
methodological framework is developed that identifies
representative Decentralized Energy Systems (DESs) for the
entirety of Germany and models each representative DES for a
future scenario. The methodology subsequently utilizes a
deterministic model to simulate ES within each
representative DES, considering each end customer’s
flexibility operation, energy marketing, and various
regulatory design options. Furthermore, the methodology
incorporates simulations of the electric power flow within
the distribution grid. By extrapolating effects from each
DES to the national level, insights can be derived regarding
the large-scale implementation of ES. The developed method
is applied to a scenario representing the year 2037 in
Germany. While ES has potential benefits such as enhancing
end customers’ contribution margin and self-sufficiency,
the economic benefit primarily results from a monetary
redistribution within the energy system. Future benefits to
end customers from ES do not necessitate active subsidy
tariffs. The regional scope presents trade-offs between
added value for end customers and increased distribution
grid utilization. Allowing ES exclusively within the same
Low Voltage (LV) or Medium Voltage (MV) grid, while
prohibiting inter-grid sharing between LV and MV grids,
yields the most favorable trade-off. Dynamic electricity
tariffs present greater financial advantages for end
customers than ES; however, they adversely affect
self-sufficiency and distribution grid utilization. The
novel concept of ES can therefore set dynamic price
incentives for end customers in the future without having
too much of a negative impact on the utilization of the
electrical grid.},
cin = {614010},
ddc = {621.3},
cid = {$I:(DE-82)614010_20200506$},
typ = {PUB:(DE-HGF)11 / PUB:(DE-HGF)3},
url = {https://publications.rwth-aachen.de/record/1010562},
}
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