Grist: Renewable energy sources, at least wind and solar, are variable - the wind isn`t always blowing, the sun isn`t always shining. This is something every glib pundit on the internet cites as a reason we`ll need fossil-fuel or nuclear "baseload" power plants for the foreseeable future. It`s a frustrating topic, since people who actually study the subject (like NREL) have shown that there are all sorts of ways to handle variability without disrupting the grid.
One of those ways is transmission: building...