Around 12:15 pm, demand for electricity in Spain dropped from 27,500 megawatts to nearly 15,000 megawatts in about 5 seconds. Portugal’s outage hit its capital, Lisbon, and surrounding areas, as well as northern and southern parts of the country. Even homes in the French Basque Country were without power for a few minutes.
The cause of the massive outage
remains unclear, as authorities in neither Spain nor Portugal are able
to conclusively determine the problem. However, Portuguese authorities
declared that the failure appeared to have occurred across the border in Spain.
According to Portuguese distributor E-Redes, the outage was caused by
“a problem with the European electricity system.” Red Electrica, Spain’s
state grid operator, blamed the outage on a “very strong oscillation”
on the electric grid....<<<Read More>>>...