Solar thermal power plants provide consistent power output and the ability to incorporate storage, but there are dark clouds on the horizon. (greentechmedia.com)
They work together to deliver consistent power and quick, accurate adjustments. (geekwrapped.com)
For most, though, the smaller size, durability, motion options, good weight limit, and consistent power from the plug - in should be enough to justify the purchase price. (thespruce.com)