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NASA Has Confirmed It: a Solar Flare Almost Caused a Worldwide Blackout and It Could Happen Again

On April 28, 2025, a widespread blackout struck large areas of the Iberian Peninsula as well as regions in France, leading to extensive power failures and significant disruption.
The blackout is believed to have been initiated by a brief decline in solar power output in Spain near 11:30 a.m., which triggered a sequence of events leading to the collapse of the Iberian grid, although the precise causes have yet to be determined.
During the outage, hairdressers and merchants struggled to complete work, security systems failed, police managed traffic, and many stores closed while others with generators stayed open until power returned.
NASA observed a powerful X2.7-class solar flare on May 14, 2025, from the Sun's active region 4087; such flares can disrupt satellites and air navigation but generally do not impact ordinary citizens.
The blackout highlighted weaknesses in Europe’s electricity grid, prompting calls for increased interconnection, better frequency reserves, enhanced storage, and faster activation of controls to reduce future risks.

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Marca

Center

NASA has confirmed it: a solar flare almost caused a worldwide blackout and it could happen again

Spain has been on alert since April 28, when a nationwide blackout put the country's infrastructure in jeopardy. This has become a problem to be faced in the event that it occ

2 days ago·Barcelona, Spain

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Le Parisien

Lean Right

Power Failure in Spain: the Government Denies Having Conducted a "Experimental"

A blackout hit the Iberian peninsula on 28 April. Its precise cause remains unknown a month later.

2 days ago·Paris, France

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EURACTIV

Lean Left

A month after major Iberian blackout, no clear cause – but pressure grows

The massive blackout on April 28 exposed critical weaknesses in Iberia’s isolated power grid, triggering multi-agency probes and urgent calls for EU energy integration.

2 days ago·Brussels, Belgium

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Observador

Lean Right

Apagão Was a Month Ago, but We Continue to “the Darkness”

It took a month on the appangement, but we don't know yet because everything happened as it happened in Spain there are few guarantees of an independent investigation and in Portugal that fair compensation is paid.

2 days ago·Portugal

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EFE

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infoLibre.es

Center

The Blackout Is a Month Old without the Causes Being Known.

This Wednesday marks one month of the blackout that left the peninsular Spain and Portugal without light, while the investigations continue

2 days ago

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Eldiario.es

Lean Left

"The Security of the System Cannot Be Guaranteed": Electric Network Asked Competition in 2022 for a Measure of "Urgentness" to Avoid Blackouts

After a disconnection of the interconnection with France in 2021, the operator of the system warned the CNMC of the need to update the so-called voltage control service, which the regulator himself had proposed to change already in 2019 and still today has pending to approve The bosses of Iberdrola and Endesa demands “transparency and a rigorous technical explanation about the blackout” “Can’t guarantee the security of the system”. It is the war…

2 days ago·Spain

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