Editorial: La Vanguardia

• Spain experienced a significant nationwide blackout one week ago, considered the most significant collapse of the national electrical system, and possibly in Europe.
• The causes of the incident and who carries responsibility to prevent future occurrences are currently under debate among various stakeholders.
• Spain has a complex electrical system involving varying public and private agents with an array of political, environmental, and economic interests.
• The Spanish Government has affirmed its commitment to ecological transition and the promotion of renewable energy.
• 56% of the electricity generation in 2021 came from renewable sources, with an expected rise to 81% by 2030.
• The blackout occurred when 70.49% of the energy came from renewable sources, which has raised questions about the contribution of this transition to the system's failure.
• The Spanish government is working with several agencies to clarify the causes of the event.
• The Spanish electrical system must ensure it can adapt to the growing proportion of renewable energy.

Conclusion: To prevent future blackouts, key emphasis must be placed on adapting the network to the new demands of renewable energy sources. Increased transparency is required in the analysis of the causes of these incidents and in measures being taken to prevent them.

---