Spanish authorities ignored grid operator's warnings before historic blackout exposed green energy risks
By isabelle // 2025-05-03
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  • Spain’s power grid collapse left 60 million in darkness, exposing the dangers of aggressive renewable energy adoption without backup systems.
  • Engineers had warned for years about grid instability from unchecked renewable expansion, but their concerns were ignored.
  • The blackout caused at least four deaths, billions in economic losses, and widespread chaos, including grounded flights and stalled trains.
  • Spain’s grid operator admitted risks from high renewable reliance, yet critical stability measures were delayed or dismissed.
  • Experts argue renewables alone lack the reliability of traditional power sources, proving ideology cannot replace grid resilience.
When Spain’s national power grid collapsed on Monday, plunging 60 million people into darkness, it wasn’t just a technical failure; it was a preventable disaster. For years, engineers and grid operators warned that the country’s aggressive shift to renewable energy, without adequate backup systems, would destabilize the electrical system. Those warnings were ignored. Now, the Iberian Peninsula faces billions in losses, deadly consequences, and a tough lesson for nations blindly racing toward "net-zero" fantasies.

The blackout that shouldn’t have happened

The crisis began when two solar power plants in southwestern Spain malfunctioned, triggering a cascading failure that severed Spain’s grid connection to France. Within hours, airports grounded flights, hospitals lost critical power, and trains stalled mid-journey. Spanish Prime Minister Pedro Sánchez claimed 95% of power was restored by Tuesday, but the damage was done: At least four deaths were linked to the outage, including a family who succumbed to carbon monoxide poisoning after relying on a generator to power a medical ventilator. The economic toll? Between $2.5 and $5 billion, according to RBC Capital Markets. But the human cost is incalculable. Passengers slept on train station floors, pharmacies scrambled to preserve vaccines, and businesses shuttered. "We’re nothing without the power grid," wrote one stranded traveler on social media. "My head explodes just thinking about it."

Warnings buried, risks ignored

This catastrophe was foreseen — repeatedly. In February 2024, Spain’s grid operator, Red Eléctrica de España (REE), explicitly warned in its annual report of "disconnections due to the high penetration of renewables without the technical capacities necessary for an adequate response." Earlier, in September 2020, REE technicians proposed "essential" measures to prevent grid instability, but implementation lagged as renewables expanded. Even the European Network of Transmission System Operators (ENTSO-E) flagged risks, noting that closing nuclear and gas plants, like Spain’s planned 2035 nuclear phaseout, would erode grid resilience. Yet REE dismissed concerns, insisting the system was secure. Days before the blackout, two reactors at the Almaraz nuclear plant were idled due to "excess" wind energy in a decision that may have exacerbated the grid’s fragility.

The green energy delusion

Spain’s grid was 53% solar-powered when it failed. Proponents like REE chair and former Socialist minister Beatriz Corredor insist renewables are "stable," but experts disagree. Antonio Turiel of Spain’s National Research Council blamed "unplanned and haphazard" renewable integration, while energy consultant Carlos Cagigal described the grid as on a knife's edge for days before the collapse. The core issue? Solar and wind lack the inertia of traditional power sources. When generation drops, grids need instant backup — something fossil fuels or nuclear provide. Without it, voltage fluctuations spiral into blackouts. Prime Minister Sánchez absurdly claimed nuclear power wouldn’t have prevented the outage, despite evidence that reactors stabilize grids. Opposition leaders accused his government of negligence, while engineers like Alfredo García, a nuclear operator, called Sánchez’s statements "a lie." As Spanish officials scramble to investigate, the world watches a cautionary tale: Renewables alone cannot power a modern civilization. Spain’s blackout is a dire preview of what awaits nations sacrificing reliability for climate dogma. The "energy transition" demands honesty: Without baseload power from nuclear or fossil fuels, grids will fail — and people will die. As REE’s own warnings prove, ideology cannot override physics. The question is: Will other nations learn before their lights go out? Sources for this article include: WattsUpWithThat.com DailyMail.co.uk DailyMail.co.uk Reuters.com
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