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IEEFA Data Bite: Wind on the rise, coal on the wane

By Michelle Froese | May 13, 2016

By Seth Feaster, Data Analyst
IEEFA 

As coal dependence falters in the U.S., wind-powered electricity generation is on the rise. In less than a decade, the mix of fuels used for generating electricity has gone a major shift. The two maps below show where the changes are most marked.

Twelve states, most of them in the wind-rich Great Plains or the upper Midwest, are getting more than 10% of their power now from wind, a threshold first passed by Iowa in 2009. Last year, two states—Iowa and South Dakota—generated more than 25% of their electricity from wind. On some days in some of the areas highlighted here, almost 50% of electricity demand is being met by wind.

state-wind-generation

This transition has happened quickly. In Texas, for instance, the country’s largest electricity market, wind’s share of generation jumped from 2.4% in 2007 to 11% last year.

One way to register the rise of wind is by how much more electricity the U.S., as a whole, gets from wind-powered generation than it did just a few years ago. In 2007, according to the Energy Information Administration, the U.S. generated 0.9% of its electricity from wind. By last year that number had risen to 4.9% (an almost fourfold increase in eight years).

state-coal-use Another side of the energy-transition coin is apparent in the second map here, which shows where coal-fired electricity has suffered its deepest declines. The states that have reduced their coal use the most (measured in millions of tons)—Indiana, Georgia, Ohio and Pennsylvania—have done so largely by turning to natural gas.

Nearly every state has reduced its dependence on coal-fired electricity generation since 2007. The U.S. today gets only about a third of its power from coal, a 16-percentage point in less than a decade.

US-Energy-mix

The chart here shows how this decline is part of a broader diversification in electricity generation. There’s no evidence that these trends are changing, and no wonder the U.S. coal-mining industry has collapsed.


Filed Under: News
Tagged With: ieefa
 

About The Author

Michelle Froese

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