Science & technology | Shots in the dark

The great Iberian power cut need not spell disaster for renewables

But there are lessons to be learned

A man stands in a corner pub lit by a camping lamp in the small town of Premia de Mar
Photograph: Alamy
|Lisbon and London|4 min read

SHORTLY AFTER noon on Monday April 28th, Spain’s electricity grid suddenly and unexpectedly lost 15 gigawatts of power—equivalent to 60% of its national demand. The massive drop caused most of the country’s electricity system to shut down, followed by much of neighbouring Portugal’s. Trains and metros ground to a halt and 35,000 passengers across Spain had to be evacuated. Traffic lights stopped working; hospitals cancelled all non-essential operations; mobile-phone networks and the internet went dark.

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This article appeared in the Science & technology section of the print edition under the headline “Shots in the dark”

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