The U.S. electricity grid is critically dependent on extra-high-voltage transformers made in China, says Tommy Waller, President of the Center for Security Policy. An expert on the U.S. grid, Waller also stars in the documentary “Grid Down, Power Up.” What are the greatest problems facing America’s electrical grid? Why is the industry allowing these vulnerabilities…

The U.S. electricity grid is critically dependent on extra-high-voltage transformers made in China, says Tommy Waller, President of the Center for Security Policy. An expert on the U.S. grid, Waller also stars in the documentary “Grid Down, Power Up.” What are the greatest problems facing America’s electrical grid? Why is the industry allowing these vulnerabilities…

The U.S. electricity grid is critically dependent on extra-high-voltage transformers made in China, says Tommy Waller, President of the Center for Security Policy. An expert on the U.S. grid, Waller also stars in the documentary “Grid Down, Power Up.” What are the greatest problems facing America’s electrical grid? Why is the industry allowing these vulnerabilities…