Unprecedented Power Blackout in Spain Triggers Clean Energy Debates

The entire Iberian Peninsula recently experienced a massive blackout that left most of mainland Spain, Portugal, and parts of southern France without electrical power for around 10 hours. Some opposition parties in Spain, as well as a few external observers, have pointed to net-zero emission goals and renewable energy targets as potential contributors to the outage.

Unprecedented in its scope, the 2025 Iberian Peninsula blackout was one of the worst power failures in recent European history, severely disrupting transportation systems, telecommunications, and emergency services. Authorities in Spain have launched an investigation to determine the exact cause of the outage and are exploring the possibility of a cyberattack.

With Portugal and Spain drawing a significant share of their electricity from solar and wind, questions have emerged about whether net zero emission targets and renewables played a role in triggering the blackout. In an April 28 interview with CNBC’s Power Lunch, U.S. Energy Secretary Chris Wright said relying on the weather for power generation carries inherent risks.

Spain sourced 56% of its electricity from renewables in 2024, while Portugal relied on renewables for 91% of its electricity during the same year, making both countries highly dependent on clean energy. For many observers, the blackout raised concerns about the reliability of energy derived from sources such as wind, solar, and geothermal. However, Spanish Prime Minister Pedro Sánchez and national grid operator Red Eléctrica de España (REE) have stated that renewable energy was not responsible for the power outage.

The European Union’s energy chief, Dan Jørgensen, also remarked that there was “nothing unusual” about the energy sources supplying the grid at the time of the blackout. He emphasized that no single energy source could be blamed until a formal investigation yields results. Several energy technology firms have also urged the public and media to withhold judgment until the official cause is confirmed.

Vestas CEO Henrik Andersen called for “a degree of statesmanship” in discussing the event, urging patience and cooperation while Spain investigates the incident. Andersen added that speculation about specific energy sources or cybersecurity threats was premature. In the meantime, he stressed the need to prioritize more resilient and reliable electricity grids.

Christian Bruch, CEO of German energy technology firm Siemens Energy, said his company had begun talks with utilities and transmission operators in the region to determine what went wrong. He noted that energy systems are inherently complex and require ongoing stabilization efforts to maintain peak performance, leading to high demand for effective grid stabilization solutions.

Building a resilient energy grid will be crucial to preventing large-scale blackouts and ensuring energy security. Although renewable energy sources like wind and solar are sometimes criticized for their intermittency, they can play a vital role in strengthening grid resilience when paired with smart grid technologies, energy storage systems, and decentralized generation.

Such a major outage provides an opportunity to EV makers like Mullen Automotive Inc. (NASDAQ: MULN) to popularize vehicle-to-grid technology or even plugging the home power connection into the EV so that the lights can be kept on together with basic appliances as utility firms figure out how to restore power to affected homes.

NOTE TO INVESTORS: The latest news and updates relating to Mullen Automotive Inc. (NASDAQ: MULN) are available in the company’s newsroom at https://ibn.fm/MULN

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