Exponential growth in sales of GE’s SF₆-free 145 kV g³ gas-insulated substation in Europe
In 2014, GE announced its game-changing g³ insulating and switching gas in replacement of SF₆ for its high voltage equipment. Just three years later, Axpo, the largest producer of renewable energy and a distribution grid operator in Switzerland, energized the first F35g 145 kV g³ gas-insulated substation (GIS) at its Etzel substation near Zürich.