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flag Hitachi Energy delivers world’s first 550 kV SF₆-free switchgear to Japan, cutting emissions 99% while supporting carbon neutrality.

flag Hitachi Energy will deliver the world’s first 550 kV gas-insulated switchgear free of sulfur hexafluoride (SF₆) to Chubu Electric Power Grid in Japan, replacing the potent greenhouse gas with an eco-friendly alternative. flag The EconiQ™ system cuts CO₂-equivalent emissions from insulating gas by 99% while maintaining performance, safety, and reliability. flag Chubu Electric, committed to SF₆-free equipment across voltage classes, is deploying the technology in its backbone transmission network to support Japan’s carbon neutrality goals. flag Though Japan lacks SF₆ restrictions, the move aligns with global efforts to phase out the gas due to its extreme global warming potential. flag Hitachi launched its SF₆-free EconiQ portfolio in 2021 and reported FY2024 revenues of 9.78 trillion yen.

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