A final report on last year's power blackout in Spain and Portugal attributes the incident to a combination of factors, highlighting the electricity system's inability to manage overvoltage events. The blackout, described as the largest in over 20 years, raised concerns about Spain's reliance on renewable energy and the phaseout of nuclear power. The report criticized grid operators for insufficient monitoring and failure to identify risks. Teljes cikk (Euronews.com)