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Water 2018, 10(7), 857; https://doi.org/10.3390/w10070857

Cost-Optimal Flexibilization of Drinking Water Pumping and Treatment Plants

1
Fraunhofer Institute for Energy Economy and Energy System Technology (IEE), 34119 Kassel, Germany
2
German Aerospace Center (DLR), 51147 Cologne, Germany
3
Department of Electrical Engineering and Computer Science, University of Kassel, 34125 Kassel, Germany
*
Author to whom correspondence should be addressed.
Received: 28 March 2018 / Revised: 20 June 2018 / Accepted: 21 June 2018 / Published: 28 June 2018
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Abstract

This paper examines potential cost savings attained through the flexible operation of water treatment plants and drinking water pumping and the benefits gained by investing in extended water storage capacities that enhance flexibility. An existing plant in South Germany serves as an example. Mixed-integer linear programming is used to model the plant and the electricity procurement on the German spot market while ensuring the security of supply. Cost optimization considering the different cost components reveals potential cost savings through flexible operation. The paper evaluates the benefits of building additional water reservoirs and rates the financial effects of the measures used to enhance the flexibility of water pumping and treatment plants. View Full-Text
Keywords: demand side management; water supply; unit commitment; cost optimization; mixed-integer linear programming (MILP) demand side management; water supply; unit commitment; cost optimization; mixed-integer linear programming (MILP)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zimmermann, B.; Gardian, H.; Rohrig, K. Cost-Optimal Flexibilization of Drinking Water Pumping and Treatment Plants. Water 2018, 10, 857.

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