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Ameren Missouri’s Electric Infrastructure Performs During Extreme Weather

This afternoon, Ameren Missouri closed its Emergency Operations Center (EOC) as crews completed restoration on a majority of the outages from this weekend’s severe weather. Southeast Missouri was hit hardest by icy conditions, as predicted by the company’s Quantum Weather forecasting technology. Approximately a quarter-of-an-inch of ice blanketed the region, including trees and power lines. At the height of the extreme cold, fewer than a thousand of Ameren Missouri’s 1.2 million customers were without power.

“We were prepared and had crews in position before the storm so that we could respond quickly to any outages,” said Michael Moehn, senior vice president, Ameren Missouri Customer Operations. “We have also been investing in infrastructure enhancements to our system to improve the reliability of our service on a day-to-day basis and during extreme weather conditions like these.”

After the storms of 2006 and 2007, the company implemented a comprehensive reliability improvement plan that included:

  • Enhanced tree-trimming practices,
  • Routine equipment inspections and repairs before an outage occurs,
  • Quantum Weather forecasting, and
  • Programs to identify and correct persistent reliability issues impacting customers.

Each element of this plan strengthens the company’s service and the reliability of the electric power grid during extreme weather conditions.


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Ameren Missouri has been providing electric and gas service for more than a century, and our electric rates are among the lowest in the nation. We serve 1.2 million electric and 127,000 natural gas customers in central and eastern Missouri. Our service area covers 63 counties and 500 towns, including the greater St. Louis area. For more information, visit AmerenMissouri.com.