Multi-Time Scale Rolling Optimization Scheduling of “Nealy-Zero Carbon Park” Based on Stepped Carbon Allowance Trading

Table 2

Optimization results in each scenario and carbon emissions after allowance offset.

Type	Scenario 1	Scenario 2	Scenario 3
Energy purchase cost	6.77	7.32	6.63
Operation and maintenance costs of renewable energy power generation equipment	1.51	1.78	1.35
Waste utilization system operating costs	3.23	3.23	3.23
CCGPP operating cost	4.72	5.13	5.41
P2G unit operating cost	0.72	0.93	0.95
Carbon sequestration cost	0.11	0.25	0.33
Carbon allowance transaction cost	0	-0.51	-4.51
CO2 emissions after allowance offset	752.14	40.58	8.99
Total operating cost	17.06	18.15	13.39

Unit: 10⁴￥.