General Discussion

malaise

(283,628 posts)

20. What caused it

Mon Apr 28, 2025, 02:28 PM

Monday

https://www.theguardian.com/business/2025/apr/28/spain-and-portugal-power-outage-cause-cyber-attack-electricity

REN said: “Due to extreme temperature variations in the interior of Spain, there were anomalous oscillations in the very high voltage lines (400 kV), a phenomenon known as ‘induced atmospheric vibration’. These oscillations caused synchronisation failures between the electrical systems, leading to successive disturbances across the interconnected European network.”
The risks posed to electrical systems by big variations in atmospheric temperatures are well known in the industry, even if it is rare for problems to manifest on this scale.

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CountAllVotes wave_maker ZDU

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Highlight:

Huge power outages in Spain, and Portugal [View all] malaise Monday OP

Interesting, but no specifics as to why? harumph Monday #1

It only happened about 3 hours ago Nittersing Monday #2

Message auto-removed Name removed Monday #6

Freaking wow! malaise Monday #10

Just spoke with a friend in Belgium malaise Monday #11

Message auto-removed Name removed Monday #12

I'd imagine some (all?) phone masts have back-up generators, or UPSs muriel_volestrangler Monday #13

You are correct malaise Monday #15

Some good news malaise Monday #14

The bad news -Spanish distributor says restoring power after huge outage could take 6-10 hours. Portugal also hit malaise Monday #5

More here malaise Monday #9

"I am locked out of my apartment as the building has electronic key" muriel_volestrangler Monday #3

Damn! malaise Monday #4

The Day Iberia Stood Still Kid Berwyn Monday #7

Indeed malaise Monday #8

K&R CountAllVotes Monday #16

What caused it malaise Monday #20

Radio Nacional Espaa has good... róisín_dubh Monday #17

DU won't let me put the tilde in the title róisín_dubh Monday #18

Thank you so much malaise Monday #19

This was really pervasive DFW Monday #21

Good report here malaise Monday #22

What caused it? "Induced atmospheric vibration", some say. muriel_volestrangler Monday #23

Restoration ongoing malaise Monday #24

I'd normally hope to understand an explanation (with an engineering degree, even if I went into software) muriel_volestrangler Monday #25

Seems odd malaise Monday #26

Looks like you're right - they don't know why the happened malaise Tuesday #28

Last week, zero-cost electricity. Igel Monday #27