Contribution to a conference proceedings

FZJ-2026-01436

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Electrolyzer and Heat Pump Operation Utilizing Flexible Heating Network Temperatures under Power Grid Constraints

Dibos, S. (Corresponding author)FZJ* ; Pesch, T.FZJ* ; Benigni, A.FZJ*

2025
IEEE

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Please use a persistent id in citations: doi:10.1109/ISGTEurope64741.2025.11305567

Abstract: A stronger interconnection between the power, gas and heat sectors is a promising approach to decarbonize energy systems. Electrolyzers and heat pumps lead to a tighter coupling between all energy sectors along with their corresponding grids, such as district heating networks and power grids. However, such coupling components increase energy systems complexity making optimizations necessary. In this paper, we investigate the design and operational optimization of an energy system containing an electrolyzer, a photovoltaic system, a wind turbine, a district heating network and a power grid. We demonstrate that a district heating network with a dynamically operated temperature is beneficial to fully utilize the electrolyzer heat and to maximize the decarbonization of the heating sector via heat pumps. The district heating network at the same time provides flexibility to the power grid by an optimal control of the decentral heat pumps and, thus, prevents congestions and replacements of overloaded lines and transformers.

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Contributing Institute(s):

1. Modellierung von Energiesystemen (ICE-1)

Research Program(s):

1. 1122 - Design, Operation and Digitalization of the Future Energy Grids (POF4-112) (POF4-112)

Appears in the scientific report 2025

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