Solar energy, a natural source of energy from Sun, has been harnessed by our ancestors since ancient times by means of various technologies. This is one of the most available renewable energy on Earth. But only a minor percentage of this energy is used.
Heat engines and photovoltaics help in the generation of electricity. The uses of solar energy are limited only by human initiative. Solar hot water, solar cooking, daylighting, etc. include in the partial list of solar applications. Generation of energy from Sun is either direct or indirect. There are many technologies involved in each.
The use of renewable resources on energy like Sun, wind will bring a great solution to the existing power crisis in many of the remote places in the country.