Published At Thu, 02/27/2020 - 00:17 Sub Title Case Study: National Grid Begins Journey to SF₆-free HV Substations in their Southeast England Network Categories Tag Green Gas for Grid Case Study Modernizing the Grid Energy - Transmission Energy - Distribution Microgrids and Smart Cities g3 Pre-sales English SF6 HV/MV Equipment Gas Insulated Switchgear Power Generation Gated No UF Type docs