Vehicle rams power substation connected to Hoover Dam
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Ameren Illinois expects to complete the Stilleys substation by May 2026.
"Just before 3 p.m. Sunday afternoon, a transformer failed at an Xcel Energy substation, resulting in damage to other equipment. The failure and damage caused an outage that cascaded to include other substations. In all, more than 195,000 customers were initially impacted," Xcel said in an update just before 10 p.m.