I. Introduction
The integration of significant quantities of renewable generation into the U.S. electrical grids presents many significant challenges [1]. Reaching this goal will likely require a portfolio of renewable resources and generating methods, e.g. transmission-scale wind, concentrating solar power, and photovoltaic (PV) representing large scale options, while at the small or distribution scale, PV is presently the only viable option. Each of these different generation technologies constitutes a challenge which varies according to the location of its interconnection. At the transmission scale, renewable generation projects are generally large enough to warrant a transmission interconnection study. During the study, the transmission operator may uncover problems caused by the renewable generation and require the renewable generation owner to install certain equipment to mitigate the problems. In this case, the cost of mitigation is borne by the generator creating the transmission problem.