Miguel Afonso Caetano<p>"A fire in the south-west of France, on the Alaric mountain, which damaged a high-voltage power line between Perpignan and eastern Narbonne, has also been identified as a possible cause, Portugal's national electric company REN said.</p><p>Reports on a rare atmospheric phenomenon which have also been circulating have been denied by REN to private channel SIC.</p><p>Meanwhile, the Spanish National Intelligence Centre has not ruled out the possibility of a cyberattack, while the Portuguese government has also suggested the same.</p><p>However, "no evidence has yet been identified that points to a cyberattack" to justify the blackout, Portugal's National Cybersecurity Centre (CNCS) said in a statement on Monday. </p><p>"Such a widespread grid failure is extremely unusual and could be caused by a number of things: there could be a physical fault in the grid which brings down power, a coordinated cyber attack could be behind it, or a dramatic imbalance between demand and supply has tipped the grid system over the edge," Taco Engelaar, managing director at energy infrastructure experts Neara told Euronews."</p><p><a href="https://www.euronews.com/my-europe/2025/04/28/spain-portugal-and-parts-of-france-hit-by-massive-power-outage" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">euronews.com/my-europe/2025/04</span><span class="invisible">/28/spain-portugal-and-parts-of-france-hit-by-massive-power-outage</span></a></p><p><a href="https://tldr.nettime.org/tags/Portugal" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Portugal</span></a> <a href="https://tldr.nettime.org/tags/Spain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Spain</span></a> <a href="https://tldr.nettime.org/tags/PowerOutage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PowerOutage</span></a> <a href="https://tldr.nettime.org/tags/Apagao" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Apagao</span></a> <a href="https://tldr.nettime.org/tags/EnergyShutdown" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EnergyShutdown</span></a></p>