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Wind speed data, IEC classifications, and energy potential for 23 locations across Illinois.
Sorted by wind quality (best first). Click any location for a detailed wind resource profile.
Illinois ranks #5 in the United States for installed wind energy capacity, with approximately 7 GW of operational wind power. The state's flat farmland and gentle ridges create favorable conditions for both utility-scale and distributed wind projects.
Average wind speeds across the 23 locations analyzed in Illinois range from 6.09 m/s to 7.14 m/s at 100m hub height. The strongest winds are found near Chicago, where wind power density reaches 223.3W/m².
Our AI model delivers hour-by-hour capacity factor predictions for any location. Validated against 300+ wind farms across 8 countries.