Spain's national grid operator, REE, has identified significant voltage fluctuations over the past two weeks, raising concerns about potential disruptions to the country's power supply. These fluctuations could lead to incidents similar to the major blackout experienced in April, according to a statement sent to the market regulator, CNMC.

In response, the CNMC announced a public consultation to discuss emergency measures aimed at stabilizing the power system. Despite the fluctuations remaining within established voltage margins, they pose a risk of triggering demand and generation disconnections, threatening the electrical grid's stability.

The European network of electricity transmission system operators recently reported that the massive power outage on April 28 was due to excessive v

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