Apartment dwellers and other renters may wish to take advantage of such renewable energy sources assolar and wind to power their homes, but feel unable to do so since they can’t make permanent changes to their homes. What they may not know is that many utility companies across the country allow subscribers to purchase renewable power through their existing electric service. These programs allow household customers to purchase alternative energy for an extra fee added to their monthly utility bill. Businesses may also purchase renewable energy for an additional monthly fee.