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

Table 5

Cost comparison results under different scenarios.

Scenes	IES total cost (yuan)	Operation and maintenance cost (yuan)	Energy purchase cost (yuan)	Carbon emission (kg)
1	33408.9	4741.3	28667.6	17809.1
2	32466.8	4500.9	27965.9	17206.5
3	32716.4	4701.3	28015.6	17314.5
4	31915.3	4824.5	27090.8	16187.4
5	31666.4	4870.1	26796.3	15867.2