Optimal Operation of Hydrogen Energy Coupling Integrated Energy System considering Green Certificate, Ladder-Type Carbon Joint Trading, and Dual-Incentive Demand Response

Table 7

Comparative results of different scheduling schemes.

Scenario	IES total cost (yuan)	Operation and maintenance cost (yuan)	Energy purchase cost (yuan)	IDR subsidy cost (yuan)	Carbon trading cost (yuan)	Green certificate trading cost (yuan)	Carbon emission
8	28443.4	4981.7	22403.6	1058.1	—	—	12690.8
9	26924.2	4884.8	22118.4	1340.1	—	−1419.1	11709.4
10	27514.1	4901.9	22082.0	1078.1	−547.9	—	11520.4
11	26415.8	4942.1	22219.7	1211.5	−558.1	−1399.4	11048.4
12 (this article)	25989.1	4911.3	22071.7	1240.3	−815.1	−1419.1	10751.6