Delving deeper...
Picturing Energy Use. Modeling increasing renewables. Baseload issues. (In 3 parts) (6, 4, & 4 min)
To Allow Lots of Renewables, Baseload
Coal & Nuclear Must Go. (3)
Modeling Electric Load & Renewables. Video and free spreadsheet model to download
(scroll down for the link to the spreadsheet itself). (13 minutes)