National Grid achieved a huge industry milestone with the energization of the first SF6-free 420 kV gas-insulated line in their Southeast England network. National Grid used g3: Green Gas for Grid as the environmentally friendly alternative to SF6.
From gas mixing and filling to end-of-life management, get an insider’s look at how utilities can smoothly transition to g³. Learn the practical considerations of switching to this new gas and the major environmental benefits it can bring.
HV/MV Equipment 
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