AUSTIN — Operators of the Texas power grid scrambled Tuesday night to keep the lights on after a sudden drop in wind power threatened to cause rolling blackouts, officials confirmed Wednesday.
At about 6:41 p.m., power grid operators ordered a shutoff of power to so-called interruptible customers, which are industrial electric users who have agreed previously to forego power in times of crisis. The move ensured continued stability of the grid after power dropped to alarmingly low levels.
Dottie Roark, a spokeswoman for the power grid, said a sudden uptick in electricity use coupled with a sudden drop in wind power caused the unexpected dip. As a result, grid officials immediately went to the second stage of its emergency blackout prevention plan.
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