Identification of Generating Units That Abuse Market Power in Electricity Spot Market Based on AdaBoost-DT Algorithm

Table 2

Samples of collusive generating units.

Generating unit	Market share	Key supplier index	Quotation curve correlation coefficient	Similarity in high quotation rates	Bid winning rate (%)	Clearing price escalation rate (%)
1	0.0789	0.9816	0.5504	0.5281	71.47	13.17
2	0.0680	0.9880	0.5489	0.5245	52.83	12.50