But if what you say is true, why should solar power need any subsidies?

Al Gore, pessimist?

In solar energy resplendent border states of Arizona, California, New Mexico and Texas, setting up solar plants would prove cheaper than building more conventional sources of energy, [Robert Kennedy, Jr. ] said. “These are the Saudi Arabias of sun.”
“We can build those plants anywhere, we can build them cheaper than nuke plants, cheaper than old coal plants, and cheaper than oil plants, and faster than any of them,” said Kennedy a member of the U.S. political dynasty and a senior attorney for the environmental group Natural Resources Defense Council.