Base load provides predictable cheap power at night. Which is why heavy industry runs third shift only (only rare industy is this way), and shuts down for maint

Base load provides predictable cheap power at night. Which is why heavy industry runs third shift only (only rare industy is this way), and shuts down for maintenance in december (christman lights). Now that wind is cheap they are changing shifts because nobody wants to work third shift if they don't have to.