Optimization of regional integrated energy systems under green certificate and carbon trading mechanism considering tiered demand response

doi:10.3969/j.issn.2097-0706.2025.05.003

Abstract

Abstract:

To promote low-carbon and cost-effective operations of regional integrated energy systems（RIES）， a low-carbon economic dispatch model under green certificate and carbon trading mechanisms was proposed considering tiered demand response. Carbon capture and power-to-gas technologies were introduced into combined heat and power（CHP） units to establish an integrated operation model for CHP units， carbon capture systems， and power-to-gas equipment. The carbon and green certificate trading mechanisms and their interactive models were analyzed. Additionally， tiered demand response was employed on the user load side to achieve peak load shaving for electricity， heat， and gas loads. The system's total operating cost over a single day was set as the objective function， and various case scenarios were analyzed using the Gurobi solver. The results demonstrate that the proposed model effectively enhances the system's low-carbon performance and economic efficiency， facilitates the output and consumption of renewable energy units， and provides superior peak-shaving effects.

Key words: regional integrated energy system, renewable energy, carbon trading, green certificate trading, tiered demand response, low-carbon, peak-shaving, combined heat and power, carbon capture

CLC Number:

TK01

CHEN Hao, MA Gang, QIAN Da, MA Jian, PENG Leyao. Optimization of regional integrated energy systems under green certificate and carbon trading mechanism considering tiered demand response[J]. Integrated Intelligent Energy, 2025, 47(5): 21-30.

Figures/Tables 17

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Table 1

Other parameter settings for RIES

参数	数值	参数	数值
$ψ G H$	0.75	$β g$ /(本·MW^-1)	1.00
$ψ G E$	2.85	$β g'$ /(t·本^-1)	0.05
$η G B$	0.95	$m 1$ /(元·kW^-1)	0.05
$η M T$	0.58	$m 2$ /(元·kW^-1)	0.50
$p g$ /元	81	$n 1$ /(元·kW^-1)	0.04
$α g$ /(本·kW^-1)	0.65	$n 2$ /(元·kW^-1)	0.30

Table 1

Table 2

Table 3

Fig.7

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场景	阶梯CET	GCT	GCT-CET交互	常规需求响应	阶梯需求响应
1	×	×	×	×	×
2	×	×	×	√	×
3	√	×	×	√	×
4	√	√	×	√	×
5	√	√	√	√	×
6	√	√	√	×	√

场景	总成本	CET成本	GCT成本	需求响应成本	弃风光成本
1	385 463	5 432	0	0	1 360
2	375 995	4 514	0	9 068	864
3	372 413	4 150	0	9 986	699
4	367 799	3 447	-11 097	10 286	661
5	366 843	3 078	-11 340	10 338	544
6	366 855	2 393	-11 259	11 269	532