The manufacturer of the high-voltage 500,000-pound transformer was Chinese company JiangSu HuaPeng Transformer Co., Ltd., or JSHP, which shipped the transformer from Shanghai to the Port of Houston in August 2019.JSHP’s North American representative Jim Cai told Motherboard his company planned to spend a couple of hundred thousand dollars to transport the high-grade steel using a particular kind of railroad car to WAPA’s Ault substation in Colorado, where JSHP would then install it. Like all electric substations, the Ault facility’s main purpose is to “step down” high-voltage electricity,  typically above 1,000 volts, to lower, more manageable levels that can be distributed safely to homes and businesses.

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