Harnessing the Flexibility of District Heating System for Integrating Extensive Share of Renewable Energy Sources in Energy Systems

被引:11
作者
Bashir, Arslan Ahmad [1 ]
Jokisalo, Juha [2 ]
Heljo, Juhani [3 ]
Safdarian, Amir [4 ]
Lehtonen, Matti [1 ]
机构
[1] Aalto Univ, Dept Elect Engn & Automat, Espoo 02150, Finland
[2] Aalto Univ, Dept Mech Engn, Espoo 02150, Finland
[3] Univ Tampere, Fac Built Environm, Tampere 33100, Finland
[4] VTT Tech Res Ctr Finland, Espoo 02044, Finland
关键词
Buildings; Space heating; Water heating; Resistance heating; Solar heating; Cogeneration; Load management; Base-load generation; carbon emissions; district heating; demand response; power to heat; two-capacity building model; DEMAND-SIDE FLEXIBILITY; ELECTRIC VEHICLES; GENERATION; POWER; STORAGE; MODEL; RENOVATION; FRAMEWORK; GRIDS; WIND;
D O I
10.1109/ACCESS.2021.3105829
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Lately, the European Union has reinforced the targets set to cut back carbon emissions. The energy generation sector and particularly, the district heating (DH) system, is still prevailed by combustion of fossil fuels that heavily contributes to such emissions. This paper presents a system-based approach to study the coupling between electricity and DH sector for effective mitigation of emissions. A mixed integer linear programming framework is proposed that aims to exploit the flexibility of electricity cogeneration together with partial electrification of the DH system by investing in renewable technologies. The objective is to simultaneously minimize the investment cost and emissions. Both the electricity and DH load profiles are segregated into critical and flexible types. Comprehensive demand response (DR) framework of thermostatically controlled loads and electric vehicles is considered while preserving the chronology. The framework is applied to the Finnish energy system considering the generation mix. Results prove that coordinating the electricity cogeneration with renewable generation combined with partly shifting from DH to electrified heating has a great potential in reducing the emissions. For an average weather scenario under DR, the least-cost solution guarantees an annual emission reduction of 12.04% relative to the total emissions of Finland against the total investment of euro13.24Bn in wind and solar power generation.
引用
收藏
页码:116407 / 116426
页数:20
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