A Two-Stage Optimization Model of Capacity Allocation and Regulation Operation for Virtual Power Plant

Table 4

Economic results of each scene.

Cost type	Scenario 1	Scenario 2
Equivalent annual investment cost/ten thousand yuan	321.72	361.64
Annual unit operation and maintenance cost/ten thousand yuan	43.86	37.50
Annual fuel cost/ten thousand yuan	640.39	479.32
Annual environmental management cost/ten thousand yuan	207.16	225.38
Annual main network interaction cost/ten thousand yuan	314.65	390.11
Annual gas unit start-up and shutdown cost/ten thousand yuan	0	0.85
Annual salvage value/ten thousand yuan	3.80	4.69
Total annual cost/ten thousand yuan	1523.98	1490.10