Spain, Portugal switch back on, seek answers after biggest ever blackout By Reuters
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Apr 29 2025
0mins
Source: Investing.com
Blackout Overview: Spain and Portugal experienced a significant blackout, attributed to power generation losses from solar plants, which caused instability in the electric system. The outage led to widespread disruptions, including transportation delays and emergency responses, while authorities investigate the cause.
Economic Impact and Future Risks: The economic cost of the blackout is estimated between 2.25 billion and 4.5 billion euros, raising concerns about the reliance on renewable energy sources without adequate backup systems. Experts warn that similar incidents could occur if infrastructure vulnerabilities are not addressed.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.








