Why is the sun ultimate source of energy?

Answer 1

The sun is responsible for causing all the vegetable and algae material that grew millions of years ago and turned into oil and gas which we now use. The sun also causes the wind and rain which we can use in windpower and hydro power, and the biomass sources now also used, and of course solar power.

It is true that uranium came from other stellar events apart from the sun, but without the sun there would be no human race able to exploit it.

Answer 2

The Sun supplies light and heat to earth, which s now used in solar panels to heat and light industrial sites and everyday homes.