Spanish power generation has moved from coal and oil to
22.5% Natural Gas
22% Wind
20% Nuclear
15% Solar
Weather can highly influence Wind and Solar (36.6%).
https://www.iea.org/countries/spain/electricity
https://www.cbsnews.com/news/spain-power-outage-portugal-2025-cause-mystery/
To Summarize:
1. Spain’s Prime Minister Pedro Sánchez has said: “All the necessary measures will be taken to ensure that this does not happen again.”
2. Sánchez had said Monday that a problem in the wider European grid, which he called a “strong oscillation,” had been behind the outage, [B]but that was never confirmed or expounded upon by the Spanish leader or the country’s electricity providers[/B], and officials subsequently asked people to refrain from speculation.
3. REN, Portugal’s national electricity grid operator, said Monday there had been a rare atmospheric phenomenon in Spain, which it pinned on extreme temperature variations, [B]but that explanation was also never confirmed, and on Tuesday, Spain’s meteorological agency said it had not detected any “unusual meteorological or atmospheric phenomena” or unexpectedly dramatic temperature fluctuations the previous day.[/B]