Sun does not shine at night is the most fundamental arguments against solar. Molten salt as a storage device makes this argument obsolete.
The first thing you see of the Crescent Dunes Solar Energy Facility, and you can be miles away, is a light so bright you can’t look directly at it. This sits atop a 640-foot cement tower, rising from the flat, empty Nevada desert around the halfway point on the highway from Reno to Las Vegas. The tower’s surrounded by a nearly two-mile-wide field of mirrors that send shimmering beams of light into the sky.[…]