Thermal Unit Scheduling for CO2 Reduction including Significant Wind Power Penetration

In this paper, we present a method to determine the unit commitment schedules considering CO2 emission and cost including the frequency regulation capability of the units to mitigate fluctuation of wind power. The authors developed an extended procedure that obtains a trade-off solution of cost versus CO2 emission including a significant wind power penetration. The method has been tested on the 10-unit 24-hour model system using the estimated wind power curve derived from an actual wind farm. The results, such as the shadow prices of CO2 obtained by the trade-off analysis, may provide a basis of evaluating the equivalent cost of the wind farms and their contribution toward CO2 reduction.