Go powerless

will actually generate their own power?  there are Did you know that some types of exercise equipment some great exercise bikes, rowing machines and more that the power used to run the monitors and screens is actually generated by your use of the machine!!  in some cases you can even hook them externally to a light and your exercise can power the light to light the workout room!!!  You can also purchase rechargeable batteries that can be powered by your workout - which can be used to sustain power on other appliances.  If you plan to exercise anyways why not get some good use out of all that energy you are burning off!