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America’s grid upgrade hinges on a 400-ton machine designed in the 1800s — and just one U.S. mill makes the special steel inside it

America’s grid upgrade hinges on a 400-ton machine designed in the 1800s — and just one U.S. mill makes the special steel inside it

Feed excerpt — reported by Fortune

Between 2019 and 2025, demand for generator step-up transformers, those that connect power plants to the transmission grid, nearly tripled.

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