2400-2500 watts is a cyclist's maximum wattage when we consider short, peak efforts. For longer distances, the record is about 440 watts: Bradley Wiggins averaged this incredible power during his successful attempt to break the hour record.
For comparison, while cycling for leisure, at a speed of 20 km/h, you generate less than 100 W; on a normal training ride averaging 35 km/h, you can reach up to 250 W. Read more