Infographic: Three Charts about the Electric Grid

Infographic: Three Charts about the Electric Grid

Interconnected power systems help support one another. Isolated systems—like the one in Texas—are vulnerable to outages.
When the Texas power grid was under stress from extreme weather earlier this year, one contributing factor was its relative isolation from the rest of the U.S. electrical system. That raised questions of just how the grid is put together and whether new power plants might be added to relieve the strain.

Texas isn’t the only state or provincial entity that runs a power grid separate from the continent-spanning interconnections, but it may be the most vulnerable.

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