Cost comparison and optimization of gas electric hybrid heat pumps,Wiley Interdisciplinary Reviews: Energy and Environment

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Cost comparison and optimization of gas electric hybrid heat pumps
Wiley Interdisciplinary Reviews: Energy and Environment ( IF 5.4 ) Pub Date : 2020-01-02 , DOI: 10.1002/wene.370
Tara S. Amirkhizi ₁ , Ida G. Jensen ₁

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The residential heating sector can offer significant load‐shifting possibilities to the energy system. Currently 400,000 households in Denmark are heated by natural gas boilers. The power consumption corresponding to these boilers can offer high value to the stabilization of the wind intensive Danish energy system. Gas electric hybrid heat pumps (GEHHPs) are individual heat pumps consisting of an electric heat pump and a gas boiler. They enable a fully flexible operation of electric heat pumps by supplementing electricity with gas when necessary. In this paper, we construct a cost optimization model of a GEHHP and compare the levelized cost of heat of this system with other individual heating systems. We investigate the changes in the operation schedule of the GEHHP, both from a socio‐ and a private‐economic perspective, and analyze how certain economic and technological framework conditions influence their operation schedule. Our article shows that the end‐consumer's optimal operation schedule uses the gas boiler component of the GEHHP 24% of the time. Additionally, comparing the levelized cost of heat of the GEHHP with other heating alternatives proves that the GEHHP setup is the most cost efficient individual heating alternative.

中文翻译：

燃气电动混合热泵的成本比较与优化

住宅供热部门可以为能源系统提供重大的负载转移可能性。目前，丹麦有40万户家庭使用天然气锅炉供暖。与这些锅炉相对应的功耗可以为丹麦的风力密集型能源系统的稳定提供高价值。燃气电动混合热泵（GEHHP）是由电热泵和燃气锅炉组成的独立热泵。它们通过在必要时用气体补充电来实现电热泵的完全灵活运行。在本文中，我们构建了GEHHP的成本优化模型，并比较了该系统与其他单个供暖系统的平均供热成本。我们从社会和私人经济的角度研究GEHHP运营计划的变化，并分析某些经济和技术框架条件如何影响其运行时间表。我们的文章表明，最终用户的最佳运行计划在24％的时间内使用了GEHHP的燃气锅炉组件。此外，将GEHHP的平均供热成本与其他供暖替代方案进行比较，证明GEHHP装置是最具成本效益的独立供热替代方案。

更新日期：2020-01-02

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