11.7 Market Incentives TABLE 11.1 North American Organized Markets: Determination of Wind Capacity Credit Market PJM NYISO ISO-NE MISO SPP ERCOT CAISO Alberta ISO IESO 163 Capacity Credit Basis Prospective: 13% of nameplate capacity Historical: 3-year rolling average over heavy load hours Wind capacity factor over heavy load hours in summer and in winter Median wind output over heavy load hours in summer and in winter 15% nameplate capacity Wind generation at 85% excess levels on 10% highest load hours 8.7% of nameplate based on load-carrying capability analysis Set on wind generation at 70% exceedence level over select heavy load hours 20% of nameplate capacity pending further analysis Based on historical median wind generation levels during peak hours Organized markets operating without specific capacity payments