The Integration of Wind-Solar-Hydropower Generation in Enabling Economic Robust Dispatch

Table 4

Adjustment cost under different adjustable prediction error.

Category	α=0		α=0.25		α=0.5		α=0.75		α=1
	Avg.	Max	Avg.	Max	Avg.	Max	Avg.	Max	Avg.	Max
Adjustment cost of thermal units /$	0	0	0	0	0.6	10.6	2.6	28.1	2.7	30.8
Adjustment cost of hydro units /$	0	0	31.3	42.3	61.2	83.6	91.2	122.4	123.2	169.4
Wind power curtailment cost /$	0	0	0	0	0	0	0	0	0	0
PV power curtailment cost /$	0	0	0	0	0	0	0	0	0	0
total adjustment cost /$	0	0	31.3	42.3	61.9	83.6	93.8	148.0	125.9	181.5