How Secure Is America’s Electric Grid?

CBS News recently aired this story examining the vulnerabilities of the U.S. electric grid, whether the attack is physical, natural or cyber-based. Experts estimate that the entire grid could go down — coast to coast — if saboteurs disabled just nine of the nation’s 55,000 transmission substations, the network reported. Over the past decade, the grid has endured more than 700 physical attacks. 3/1/2022