Not a good reference
Kristopher
The paper you listed is a pure theoretical balance the load study and specifically excludes the necessary components to make a large scale renewable grid work. The study focus is to look at reduced cost and does not consider stability and the need for additional transfer capability from transmission lines and FACTSs devices. Without a stiff power source large scale integration is not achievable. The scope exceptions and corrigendum (correction) of the paper make this point. A conventional power source is still needed. I prefer grid storage but Nuclear and Combustion Turbines are the lower Carbon and lower cost alternative. If you look at the PJM cue you will see the replacement of coal fired units come from these two types of generation. The controls and protection systems of both PV and Wind still need more communication and development to work at the levels stated in the paper.
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