Most of the energy of current can generate energy sources by nuclear power and solar energy which are different both usability and budget. By nuclear power requires the administrator has higher education and have to use a lot of space for creation. Therefore, Have to use very high budget to build and take care. And also the risk to the explosion. Unlike solar energy use less space for creation and not difficult to take care. Moreover, Also using the budget to create less and more environmentally friendly. So the use of solar energy is better than nuclear power.