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Why do heat waves cause power outages?

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Why is the power grid so sensitive to high temperatures? It's quite simple really. First, we certainly love our air conditioners, and air conditioners demand a lot of power. read more

Heat waves do not cause power outages. They cause lots of people to run their air conditioners, or run them much longer, which puts a great demand on the electrical power supply infrastructure. Sometimes this extra load causes a power transformer to blow up, causing power a power failure. read more

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65 dead in Karachi, Pakistan, as temperature tops 111 degrees
Source: nbcnews.com