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Gas Price Drop Raises Risk for Aging Coal, Nuclear Power

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A 37 percent drop in natural gas prices since June has lowered what U.S. nuclear and coal plants can charge for electricity, potentially speeding the demise of generators teetering on the brink of closing.

While power plants that burn gas get a break on the cost side, allowing them to charge less for their product, coal and nuclear operators are seeing thinning profits. The gas squeeze comes as companies are upgrading plants to meet new environmental rules and demand weakens as a result of competition from solar and wind energy.