However, this statement does not take into effect our ability to capture and use energy in all of its forms. The energy of fossil fuels is stored in the form of chemical bonds. When we burn fossil fuels, we release some of the energy stored Wind and solar power derive their energy from the Sun. An energy crisis arises when demand exceeds supply. Unless we are better able to capture energy from sources other than fossil fuels, we will indeed have an energy crisis – not due to a shortage of absolute energy but a shortage in our ability to use the energy available.