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Infographic: Here’s How the Grid Works

Posted by Infra on Friday, October 14th, 2016


Every day, we flip switches, plug into outlets, and maybe even charge our electric cars. But how does electricity get from power plants to powering our lives? This infographic makes it simple.

In short, our electricity is delivered from suppliers to consumers through a complex electrical grid — from generation, to transmission, to distribution, to powering our homes and businesses. But it’s a little more complicated than that. The US actually has three grids (often called “interconnections”): The Eastern Grid, the Western Grid and the Texas (ERCOT) Grid, with the Eastern being the largest. They are all connected, though they operate independently.

With more than 450,000 miles of high-voltage transmission lines (not including distribution lines), the US electricity grid is clearly a behemoth. But how many times have you really given a thought to this huge, incredible network that generates electricity, carries it miles and miles, and powers our Netflix binges, our holiday lights, and our refrigerators? Here’s the breakdown, from the Energy Department:

View full version ( Here’s How the Grid Works

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