The Natural Philosopher wrote:
Wind, solar and tidal and
indeed broadly hydro, all represent essentially solar incidence over
very wide areas representing loads of energy, but spread very thin. Only
occasionally do geographical quirks collect it for use in a convenient
place.

If you are claiming (it's a bit unclear) that tidal energy is a derived
form of solar, i.e. derived from the light emitted by the sun, and
incident on the earth, you are mistaken.

Wind and hydro _are_ solar, though.


#Paul