The great blackout: what happened and how to be prepared

The Iberian blackout of 28 April 2025 explained: what happened, how electricity reaches the home, why generation and consumption must balance, how a grid collapses and restarts, what the reports say and how to prepare an emergency kit at home.

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Cover of the presentation “The great blackout: what happened and how to be prepared”

What’s inside

  1. The great blackout: what happened and how to prepare
  2. What happened on April 28, 2025
  3. What stopped working
  4. How the electricity gets to your home
  5. The balance: generation and consumption
  6. Why a grid can collapse
  7. What we know and what is worth checking
  8. The black start
  9. The emergency kit at home
  10. During a blackout: yes and no
  11. Your home's plan

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