Illinois SREC Calculator Illinois SREC Calculator System Size DC (kW): System Size AC (kW): Mounting Type: Roof Ground Tracking Type: Fixed Tracking Capacity Factor (%): SREC Value ($/MWh): Year 1 Degradation Rate (%): Years 2-15 Degradation Rate (%): Number of Years (up to 15): Calculate Year Annual Production (MWh) SREC Value ($)