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Axios: A power primer for the Trump era

by Amy Harder

Electricity, the thing we all use but don’t really notice, has unexpectedly become a hot topic under President Trump.

Why it matters: His administration is mulling bailouts for coal and nuclear power plants in a questionable attempt to strengthen the electricity grid. Meanwhile, this winter’s cold snaps drove up New England’s power bills and Puerto Rico is still grappling with one of the world’s worst power outages. Here’s a primer + glossary to help light the way.

Energy vs. electricity

They’re not the same thing. Energy is the type of resource used to make electricity. Once they’re in the power lines, electrons are the same regardless of whether they came from wind turbines or coal plants.

America’s electricity resource mix is increasingly diverse: Natural gas and coal are each about 30%, nuclear power 20%, and renewable energy makes up most of the rest.

The electricity grid

This is a catch-all phrase describing America’s electricity infrastructure, most visibly through the power lines you see along the road.

The grid isn’t monolithic. Several, mostly separate, power grids exist across the country. Within each grid, there are different types of markets. Some are set up in an auction-based system where electricity sources compete, and others are not.

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