TOKYO, Mar 12, 2026 – (JCN Newswire) – Hitachi, Ltd. announced today that it has received an order from Chubu Electric Power Grid for Hitachi Energy’s EconiQⓇ 550 kilovolt (kV) sulfur hexafluoride (SF6)-free gas-insulated switchgear (GIS). This is set to be the world’s first project with 550 kV GIS*1 in which the entire equipment is SF₆-free.*1 In gas-insulated switchgear…
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