It is. At a massive scale hydrogen provides almost all energy used on earth.

Oil? Got it’s energy from essentially plankton, which got it’s energy from… The sun.

Coal? Energy from trees, which… you guessed it, the sun.

Solar panels? Well duh.

How about water wheels in rivers? Well you see, the water cycle is driven by… The sun.

And what is the sun mostly comprised of? Hydrogen.