Blackout preparation for flats in Spain, in English: 72-hour and one-week kits, power stations, food and water, and what to do when the power goes.

Home blackout protocol for Spain · rev. Nov 2026

When the grid goes down,
there will be no warning.

28 April 2025: millions of people in Spain without power, signal or information for hours. Protocols and tested gear to get through days without supply in a flat, in English for anyone living in Spain. Next time, don’t get caught without a plan.

REAL CASE · 28 APRIL 2025
MAINLAND SPAIN, NO POWER
16 h
From 12:33 to 04:00 the next day
Grid collapse⚡ 84 seconds
Mobile and internet● No service
Metro, trains and traffic lights● Stopped
Battery radio● Worked
Europe’s biggest blackout in 20 years · Source: ENTSO-E final report (Mar. 2026)

It doesn’t only happen here

Major blackouts in countries with first-class grids.

Spain and Portugal · 28 Apr 2025

Europe’s biggest blackout in 20 years

16 h

without power on the peninsula

84 s

for the whole grid to collapse

No

mobile, internet or trains

Berlin, Germany · 5 days
January 2026

45,000 homes and 2,200 businesses without power, heating or phone, in sub-zero temperatures and snow.

Cause: arson sabotage
Chile · 98 %
February 2025

Almost the whole country without power for hours. One of the biggest blackouts of the century.

Cause: transmission line failure
Texas, USA · Several days
February 2021

Millions of homes without power or heating in the middle of a cold snap. People died.

Cause: extreme cold
Europe · 10 million
November 2006

People without power in nine countries at once, Spain included.

Cause: cascading failure from Germany
Italy · The whole country
September 2003

Almost all of Italy in the dark for hours. Millions of people affected.

Cause: storm in Switzerland
USA and Canada · 50 million
August 2003

People without power; in some areas, for days.

Cause: cascading failure

Sources: ENTSO-E and international press.

Priorities

In this order. No fuss.

72 hminimum self-sufficiency recommended by the EU
3-4 Lof water per person per day
LiFePO4the safest battery chemistry for the home
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The next blackout
won’t give a warning.

Today you have time and the shops are open. That day, you won’t.

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