How many solar thermal plants have been built before? CSP has been around for a while, but not many plants have been built in the USA. Those that have been bui

How many solar thermal plants have been built before? CSP has been around for a while, but not many plants have been built in the USA. Those that have been built haven't done all too well. Here's a plant that was operational from 1982 to 1986: https://en.wikipedia.org/wiki/The_Solar_Project#Solar_One https://en.wikipedia.org/wiki/The_Solar_Project#Solar_One The most memorable thing about it was you could easily see it from airplanes flying in and out of SoCal.