The U.S. power grid isn't ready for climate change

Human-caused climate change is poised to heavily strain the U.S. power grid in the coming decades, and vast improvements are needed to enhance its reliability and ability to meet increasing electricity demands , experts say.

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Threat level: The North American Electric Reliability Corporation (NERC), a nonprofit that oversees the reliability of the North American power grids, warned in an assessment last month that two-thirds of the continent face an elevated risk of energy shortfalls this summer if extreme heat events occur.

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State of play: Parts of the federal government, including the DOE , have said that the power grid is currently unprepared for the extreme weather of the future and resilience upgrades are needed alongside investments in renewable forms of energy, such as wind and solar .

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The big picture: Disasters in recent years have shown that blackouts coinciding with severe weather can be extremely deadly.