Solar power production patterns don't make energy free. Normal pricing mechanisms apply. This can mean that something has a zero or negative price sometimes (th

Solar power production patterns don't make energy free. Normal pricing mechanisms apply. This can mean that something has a zero or negative price sometimes (this occurs in electricity markets today), but that is an unusual circumstance. Usually when something is available due to some sort of regularity in the world, people find uses and this drives the price up to some positive value.