Optimal heat and electric power flows in the presence of intermittent renewable source, heat storage and variable grid electricity tariff

Ayele, Getnet Tadesse; Mabrouk, Mohamed Tahar; Haurant, Pierrick; Laumert, Björn; Lacarrière, Bruno

doi:10.1016/j.enconman.2021.114430

Cited by 25 publications

(3 citation statements)

References 41 publications

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“…Moreover, if the temperature of the stored fluid is high enough, steam and electricity can be generated with the hot fluid. TES allows to exploit the synergies between heat and electricity [3]. Thus, TES can be used in association with solar thermal plants or conventional thermal plants in order to store the heat produced.…”

Section: Introductionmentioning

confidence: 99%

A fast and accurate 1-dimensional model for dynamic simulation and optimization of a stratified thermal energy storage

et al. 2023

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Section: Introductionmentioning

confidence: 99%

A fast and accurate 1-dimensional model for dynamic simulation and optimization of a stratified thermal energy storage

et al. 2023

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“…In the context of energy transition, the development of cleaner, low-carbon energy systems lies at the heart of the contemporary energy revolution. The comprehensive utilization of energy provides an efficient solution for energy innovation and low-carbon development [1,2]. Similar to integrated energy systems, multi-energy microgrids, which serve as an extension of traditional microgrids, are predicted to become the terminal energy supply systems for the Energy Internet and a key developmental trend in future energy systems [3].…”

Section: Introductionmentioning

confidence: 99%

Research on the Optimization of Energy–Carbon Co-Sharing Operation in Multiple Multi-Energy Microgrids Based on Nash Negotiation

et al. 2023

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Efficient and low-carbon energy utilization is a crucial aspect of promoting green and sustainable development. Multi-energy microgrids, which incorporate multiple interchangeable energy types, offer effective solutions for low-carbon and efficient energy consumption. This study aims to investigate the sharing of energy and carbon in multiple multi-energy microgrids (MMEMs) to enhance their economic impact, low-carbon attributes, and the efficient utilization of renewable energy. In this paper, an energy–carbon co-sharing operation model is established, incorporating carbon capture systems (CCSs) and two-stage power-to-gas (P2G) devices within the MMEMs to actualize low-carbon operation. Furthermore, based on cooperative game theory, this paper establishes an energy–carbon co-sharing Nash negotiation model and negotiates based on the energy–carbon contribution of each subject in the cooperation as bargaining power so as to maximize both the benefits of the MMEM alliance and the distribution of the cooperation benefits. The case study results show that the overall benefits of the alliance can be increased through Nash negotiation. Energy–carbon co-sharing can effectively increase the renewable energy consumption rate of 8.34%, 8.78%, and 8.83% for each multi-energy microgrid, and the overall carbon emission reduction rate reaches 17.81%. Meanwhile, the distribution of the benefits according to the energy–carbon co-sharing contribution capacity of each entity is fairer.

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“…J. Lu et al [4] demonstrate that the integration of DR in the heat-electricity sector could enable the accommodation of renewable energy and enhance the resilience of the energy system. G. Ayele et al [5] underline the cost-effectiveness of thermal storage units for renewable integration and peak-shaving. Finally, S. Kozarcanin et al [6] test the effects on the power system deriving from the heating and electricity sector coupling and demonstrate that a highly electrified system leads to great cost increase but is also the only solution to reach net-zero emissions.…”

Section: Introductionmentioning

confidence: 99%

Evaluating the Potential Contribution of District Heating to the Flexibility of the Future Italian Power System

2022

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Flexibility is crucial to enable the penetration of high shares of renewables in the power system while ensuring the security and affordability of the electricity dispatch. In this regard, heat–electricity sector coupling technologies are considered a promising solution for the integration of flexible devices such as thermal storage units and heat pumps. The deployment of these devices would also enable the decarbonization of the heating sector, responsible for around half of the energy consumption in the EU, of which 75% is currently supplied by fossil fuels. This paper investigates in which measure the diffusion of district heating (DH) coupled with thermal energy storage (TES) units can contribute to the overall system flexibility and to the provision of operating reserves for energy systems with high renewable penetration. The deployment of two different DH supply technologies, namely combined heat and power units (CHP) and large-scale heat pumps (P2HT), is modeled and compared in terms of performance. The case study analyzed is the future Italian energy system, which is simulated through the unit commitment and optimal dispatch model Dispa-SET. Results show that DH coupled with heat pumps and CHP units could enable both costs and emissions related to the heat–electricity sector to be reduced by up to 50%. DH systems also proved to be a promising solution to grant the flexibility and resilience of power systems with high shares of renewables by significantly reducing the curtailment of renewables and cost-optimally providing up to 15% of the total upward reserve requirements.

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Optimal heat and electric power flows in the presence of intermittent renewable source, heat storage and variable grid electricity tariff

Cited by 25 publications

References 41 publications

A fast and accurate 1-dimensional model for dynamic simulation and optimization of a stratified thermal energy storage

A fast and accurate 1-dimensional model for dynamic simulation and optimization of a stratified thermal energy storage

Research on the Optimization of Energy–Carbon Co-Sharing Operation in Multiple Multi-Energy Microgrids Based on Nash Negotiation

Evaluating the Potential Contribution of District Heating to the Flexibility of the Future Italian Power System

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