Here's the famous SoCal one which is impressive to drive by: https://en.wikipedia.org/wiki/Ivanpah_Solar_Power_Facility
Instead of using photovoltaic panels (PV), they're called CSP - concentrating solar power. Basically concentrate a bunch of heat on a tower and drive a steam turbine to generate power.
https://en.wikipedia.org/wiki/Concentrated_solar_power
WSJ reporting on some controversy in the past: https://www.wsj.com/articles/ivanpah-solar-plant-may-be-forc...