Quick Answer: Where is solar energy for kids?

Where is solar energy used for kids?

Solar energy is used today in a number of ways: As heat for making hot water, heating buildings and cooking. To generate electricity with solar cells or heat engines. To take the salt away from sea water.

What are the disadvantages of solar energy?

8 DISADVANTAGES OF SOLAR PANELS

  • High upfront cost. …
  • The size of system is dependent on your available space. …
  • Requires sunny weather to work best. …
  • Manufacturing of solar panels can harm the environment. …
  • Low energy conversion rate. …
  • Cannot be used at night. …
  • Solar panels are fixed at their installed location.

How much solar energy reaches the Earth?

The sunlight that reaches the earth’s surface is of two types, direct radiation and diffuse radiation.

The Solar Energy Resource.

Solar constant at the distance of the earth from the sun 1367 W/m2
Total solar energy reaching the earth in a year 3,400,000 EJ
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