Calculation of Performance Index. The Performance Index represents the efficiency of the WTG's conversion of the wind resource to electricity by comparing the calculated Expected Generation at the WTGs to the measured Actual Generation at the WTGs during Contact Hours excluding periods where the operational state is categorized as ERSDTH, oEFDTH, oEMPTH, oEPDTH or Environmental Derate. Following the end of each PI Assessment Period, the Performance Index shall be calculated for such PI Assessment Period (using the previous 12 months of data) as set forth in Section 2 (Performance Index) of Attachment Q (Calculation of Certain Performance Metrics) to this Agreement.
Appears in 9 contracts
Samples: Power Purchase Agreement, Power Purchase Agreement, Power Purchase Agreement
