A market-based smart grid approach to increasing power grid capacity without physical grid expansion


The continuous increase of competitiveness of renewable energy in combination with the necessity of fossil fuel substitution leads to further electrification of the global energy system and therefore a need for large-scale power grid capacity increase. While physical grid expansion is not feasible for many countries, grid-driven energy management in the Smart Grid often interferes in customer processes and free access to the energy market. The paper solves this dilemma by proposing a market-based load schedule management approach that increases power grid capacity without physical grid expansion. This is achieved by allocating for a certain class of non-critical flexible loads called “conditional loads” the currently unused grid capacity dedicated to ensuring \(\hbox {N}-1\) security of supply whereas this security level remains untouched for all critical processes. The paper discusses the necessary processes and technical and operational requirements to operate such a system.

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The research has received funding from the ERA-Net Smart Grids Plus initiative, with support from the European Union’s Horizon 2020 research and innovation program. It is also part of the activities of SCCER CREST, which is financially supported by the Swiss Commission for Technology and Innovation (CTI).

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Correspondence to Gwendolin Wilke.

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Bagemihl, J., Boesner, F., Riesinger, J. et al. A market-based smart grid approach to increasing power grid capacity without physical grid expansion. Comput Sci Res Dev 33, 177–183 (2018). https://doi.org/10.1007/s00450-017-0356-5

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  • Power networks
  • Smart grid
  • Renewable energy
  • Power network capacity