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Cost-optimal flexibilization of drinking water pumping and treatment plants

: Zimmermann, B.; Gardian, H.; Rohrig, K.

Fulltext (PDF; )

Water 10 (2018), No.7, Art. 857, 14 pp.
ISSN: 2073-4441
Bundesministerium für Bildung und Forschung BMBF
NAWAM-ERWAS; 02WER1316A; enWasser
Erschließung eines Lastmanagementpotenzials in der Wasserversorgung zur Integration erneuerbarer Energien
Journal Article, Electronic Publication
Fraunhofer IEE ()
demand-side management; water supply; unit commitment; cost optimization; mixed-integer linear programming (MILP)

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.