Data Provided by Spanish Red Elétrica for Committee Investigation
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Red Eléctrica: A Sea of Millions of Data
Red Eléctrica, the company at the heart of the investigation, has emphasized that the "black box" containing all the system operation information is a whopping data repository with millions of entries. This data, sourced from the system's day-of-the-outage activity and other company systems, could potentially hold the key to understanding the blackout's cause.
The Spanish government, led by Minister of Ecological Transition, Sara Aagesen, has briefed the European Commissioner for Energy, Dan Jorgensen, about the launch of the commission tasked with investigating the blackout's roots.
On the agenda for next Friday, Sara Aagesen is scheduled to meet with Portugal's Minister of Environment and Energy, Graça Carvalho. This conversation, reportedly, will delve into the blackout affecting both nations. Spanish ministry sources have revealed this meeting, which will follow Sara Aagesen's discussion with the president of Spain's National Commission on Markets and Competition (CNMC).
The committee that analyzes the blackout's causes convened for its inaugural meeting on Wednesday at the Ministry of Ecological Transition. Its next gathering is set for Saturday at Red Eléctrica's headquarters.
The European Network of Electricity Transmission System Operators has announced the formation of a committee to probe the causes behind the "exceptional and serious" blackout that disrupted Portugal, Spain, Andorra, and a French territory in April 2025.
This committee aims to identify the root causes, conduct an exhaustive analysis, and propose recommendations in a final report. A separate report detailing the incident's entirety is also expected.
The consequences of the power outage included closed airports, transportation congestion, and major city traffic, as well as fuel scarcity.
Additional Insights:
It seems there's some confusion about a previously reported blackout in January 2023. The latest incident occurred in April 2025, affecting millions.
Investigations suggest a cascading failure due to power flow imbalances after Spain disconnected from Europe's grid. Technical failures involving large voltage oscillations and grid disconnections from France are also under scrutiny.
Expert analysis indicates Portugal has set up an independent technical commission to study the outage, while Spain is yet to confirm a definitive cause.
Also Read: Blackout? Ministers of Portugal and Spain Meet on Friday
- Executive officials within Red Eléctrica, the Spanish company at the center of the blackout investigation, are analyzing the millions of data entries within the system's "black box" to potentially uncover the cause of the power outage.
- In addition to discussing the ongoing blackout, Ministers Sara Aagesen of Spain and Graça Carvalho of Portugal are set to dissect their countries' energy policies and legislation during their scheduled meeting on Friday.
- The European Network of Electricity Transmission System Operators has formed a committee to scrutinize the root causes of the recent blackout that affected Spain, Portugal, Andorra, a French territory, and to propose appropriate recommendations in their final report.
- The commission tasked with investigating the blackout's origins has revealed some investigations into possible technical failures, such as cascading failures due to power flow imbalances, large voltage oscillations, and grid disconnections from other countries, which might have contributed to the incident.
