Research Article

A Bi-Level Optimization Model for Flexible Capacity Allocation with Coordinated Planning and Operation

Table 1

Unit costs for various types of flexible resources.

Flexible resourcesUnit investment cost (/MW)Unit operating cost (/MWh)

Gas units400.66
Coal-fired units5000.32
Thermal power unit flexibility retrofit1200
Hydro10000
Pumped hydro storage8000.06
ESS1500.045
Interruptable load1000.66