Deploying a Sustainable Alternative for SF6 High Voltage Gas-Insulated Substations

For decades, utilities have been searching for an alternative to SF6 because of its considerable impact on global warming. Now, with GE and National Grid’s recent achievement in energizing the world’s first SF6-free 420 kV gas-insulated line, Transmission System Operators now have a viable, environmentally-responsible choice.

With the Sellindge substation, National Grid is the first of several utilities that plan to implement GE’s g3 solution in their network. For them, it’s just the beginning of their journey to remove SF6 from equipment across their network.

Mark Waldron shares National Gridís story in our exclusive interview. Click for more insight on how your utility can employ g3 technology to drastically reduce SF6 emissions, without impacting operational performance or safety.

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