vertical, center, side, or double-end break group-operated disconnects for the horizontally oriented, traditional land-based substation, whether equipped with circuit breakers... or not. Ratings are offered from 15kV to 800kV. Conversely, several electric power providers have taken a different, more economical approach utilizing phase-over-phase vertical... construction, thus reducing construction time and utilizing much less real estate. This solution, called Substation in the Sky, mounts the switches vertically, one phase over another...