How the Electrical Grid Works

# Stuff You Should Know: The Electrical Grid

Josh and Chuck dive into the massive, intricate system that powers modern life: the electrical grid. They explore how this engineering marvel—spanning nearly 650,000 miles of transmission lines and thousands of power plants—keeps electricity flowing to over 145 million American homes and businesses 24/7. The guys break down the fascinating history of how Edison and Tesla battled over which current system would power the nation, trace the grid's evolution from tiny local networks to three interconnected systems, and explain the mind-bending physics that lets electricity travel hundreds of miles with minimal loss. But they also dig into the darker side: how deregulation backfired, the increasing vulnerability of an aging system, and why blackouts have become more common and catastrophic in recent decades.