From a simpler pov, assuming $50/MWh, biking super hard for 1 hour(100W) produces $0.005 of electricity. Biking super hard for 16 hours a day for an entire yea

From a simpler pov, assuming $50/MWh, biking super hard for 1 hour(100W) produces $0.005 of electricity. Biking super hard for 16 hours a day for an entire year would produce $29 of electricity (assuming 100% efficiency in the generator and electronics). And from an environmental standpoint, it would be better to idle on your couch while you burn the food you'd consume in an ICE.