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The best theories on why 15 GW disappeared from the grid in 5 seconds

Explore the leading hypotheses and analyses behind the sudden loss of 15 GW of power from the electricity grid in just five seconds, an event that impacted millions across the Iberian Peninsula. We delve into potential causes, ranging from technical failures and system overloads to cyberattacks and coordination issues in grid management. Discover the most compelling explanations for this mysterious blackout and its implications for energy stability. This content is ideal for engineers, energy experts, and anyone interested in the resilience of electrical infrastructures.

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  1. Someone traveled to the future in a DeLorean cover
    1

    Someone traveled to the future in a DeLorean

    35 Global Votes

    1.21 gigawatts isn't enough... Better to take 15 to travel and return in style

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  2. Cyberattack or security incident cover
    2

    Cyberattack or security incident

    33 Global Votes

    Cyberattack or security incident in control systems. This type of vulnerability is always a concern for power operators.

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  4. Human error during maintenance cover
    3

    Human error during maintenance

    33 Global Votes

    Human error during a maintenance or adjustment operation. A procedural error during scheduled technical maneuvers could trigger unexpected shutdowns.

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  6. A gamer turned on his new setup of 7 8K monitors cover
    4

    A gamer turned on his new setup of 7 8K monitors

    32 Global Votes

    The Spanish gaming dream was too powerful for the grid.

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  7. Chema Alonso's Revenge for Being Fired cover
    5

    Chema Alonso's Revenge for Being Fired

    32 Global Votes

    Two weeks before the blackout, Chema Alonso was fired from Telefónica. Coincidence? I don't think so.

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  9. Renewable energy plants shut down due to extreme conditions cover
    6

    Renewable energy plants shut down due to extreme conditions

    31 Global Votes

    Out-of-range wind gusts, rapid solar fluctuations, or protection systems activated to prevent damage.

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  11. Because of Pedro Sánchez cover
    7

    Because of Pedro Sánchez

    31 Global Votes

    And his 2030 agenda

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  12. Overload due to high demand cover
    8

    Overload due to high demand

    30 Global Votes

    Overload or preventive disconnection due to high demand. With heat waves and high air conditioning consumption, an automatic trip to prevent further damage is also a possibility.

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