Solar Energy This renewable energy source is powered by the sun. It absorbs it's energy and then converts it to energy. It's very good because it causes no pollution and it's less dependent on the worlds fuel.
Hydro Electric Power This source of energy powers lots of places in the world. It works by water passing through a turbine and the turbine and the turbine powers the generator. It's also cheap and constant.
Wind power It's a natural source of energy that can create energy even during an apocalypse. What happens is that the wind turns the blade, which spins a shaft, which connects to a generator and makes electricity. It's very clean, wind is also free.
Nuclear power, is one of the most common sources of energy in the world. What happens is a pressure of steam turns the generator which produces electricity.
Biomass fuel is a local source of energy. What they do is they burn animal waste and plants and convert it to energy. What's good is its renewable and converts waste to fuel.
Geothermal energy is a source of energy powered by heat. They send water down an injection well and then it comes back as steam and is captured by a generator.