Share thisArticle FacebookTwitterRedditEmail You are free to share this article under the Attribution 4.0 International license. University Syracuse UniversityAs a massive winter storm continues to pummel the eastern United States with dangerous ice and freezing rain, more than a million customers across multiple states remain without power. Tennessee, Mississippi, Louisiana, and other Southern states have been particularly hard hit, with some officials warning that outages could persist for days or longer. Sara Eftekharnejad, associate professor of electrical engineering and computer science in Syracuse University’s College of Engineering and Computer Science, studies power system stability, reliability, and the integration of renewable energy into electrical grids. Here, she explains what makes ice storms so destructive to electrical infrastructure and what lessons this storm offers for building more resilient power systems: