By Silvio Marcacci, Forbes
U.S. electricity generation economics have completely reversed. Building new coal is more expensive than building new renewable energy across the U.S. , and in many parts of the country, keeping existing coal plants open is more expensive than building new wind turbines (and solar, in some places). From 2007 to 2016, 531 coal units representing 55.6 GW of capacity were retired across the U.S., at an increasingly rapid pace. Read more.
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