Modeling the Value of Flexible Heat Pumps

HEMF Working Paper No. 09/2017

36 Pages Posted: 12 Oct 2017 Last revised: 16 Feb 2018

See all articles by Björn Felten

Björn Felten

University of Duisburg-Essen

Christoph Weber

University of Duisburg-Essen

Date Written: February 14, 2018

Abstract

Demand side management has been proposed as one means to improve integration of high shares of non-dispatchable renewables-based electricity generation. Among other technologies, residential heat pumps are seen as suitable application for demand side management. Thus, we present a model of an air-water heat pump combined with a thermal energy storage. This heating system supplies heat to a floor-heated building. All subsystem dynamics (thermal energy storage, heating zone, water circuit of the floor heating, heated floor) are modeled in detail. That is dynamics are described by differential equations which are based on thermodynamic first principles. In terms of heat pump operation, we derive several model-predictive control strategies following different objectives. These strategies aim at the minimzation of electricity consumption, procurement prices or operational costs. The difference in operational costs of the flexible operation and of the non-optimized operation represents the value of this flexibility option. The model is designed to assess manifold technical set-ups and economic conditions and, thereby, lays the foundation for further detailed analyses.

Keywords: Heat Pump, Model-Predictive Control, Real-Time Pricing, Demand Side Management

JEL Classification: Q41, Q55

Suggested Citation

Felten, Björn and Weber, Christoph, Modeling the Value of Flexible Heat Pumps (February 14, 2018). HEMF Working Paper No. 09/2017. Available at SSRN: https://ssrn.com/abstract=3051621 or http://dx.doi.org/10.2139/ssrn.3051621

Björn Felten (Contact Author)

University of Duisburg-Essen ( email )

Universitätsstraße 2
Essen, 45141
Germany

HOME PAGE: http://www.ewl.wiwi.uni-due.de

Christoph Weber

University of Duisburg-Essen ( email )

Universitätsstraße 2
Essen, 45141
Germany

HOME PAGE: http://www.ewl.wiwi.uni-due.de

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