It shut down because it can't compete cost wise with ... solar. Specifically solar photovoltaic.

You're thinking of an actually quite small solar-thermal plant, which is bankrupt because solar-thermal is a dumb idea.

If its a dumb idea, why waste billions of dollars on it? Do you know how much pollution that shutted down plant is? It was HugE I've gone past it. So much waste for a "dumb idea"

This is what's wrong with Americans in one succinct example. "Look at all the pollution from this field of mirrors" he thinks while driving on the freeway to Las Vegas.