Widespread power cuts are not common, but they do happen. A fault in the network, a severe storm or an isolated incident can leave an entire building without electricity in a matter of seconds. In that moment, knowing what to do makes all the difference between reacting calmly and making decisions that put your safety — or your neighbours' — at risk.
At Fincas Caseuro, as property managers with over 30 years of experience looking after residential communities in Barcelona and the surrounding area, we have seen it all. That is why we want to offer you a clear, practical guide so you know exactly how to act if you ever find yourself in the dark.
First things first: is it just your flat or does it affect the whole building?
This is the first and most important step. Before calling anyone, check whether the cut affects only your property or the shared areas as well. You can do this quite simply:
- Check whether there is light in the landing, stairwell or entrance hall.
- Look out of the window to see whether neighbouring buildings are also without power.
- Inspect your flat's fuse box: if a circuit breaker has tripped, the problem is internal.
If the power cut is limited to your flat, the next step is to check the fuse box and, if you cannot resolve it, call an electrician. If the whole building or the street is affected, you should contact the electricity distribution company or notify your property manager.
What you should not do during a building power cut
In a widespread power outage, there are some common mistakes worth avoiding:
- Do not use the lift. Even if it appears to be working at the time of the cut, a second failure could leave you trapped between floors. Always use the stairs.
- Do not rush into the car park. Motorised doors may not function normally. Inform your neighbours and proceed with caution; many doors have a manual emergency release system.
- Do not place candles near flammable materials. Candles are a valid source of emergency lighting, but they require care. A torch or your mobile phone torch is a safer option.
- Do not open the fridge or freezer unnecessarily. If the outage is prolonged, keeping appliances closed will help maintain the internal temperature for longer.
The role of the residents' community during a power cut
A well-organised community handles these situations far more effectively. As property managers, we know there are key factors that make a real difference when the lights go out:
- Emergency lighting in shared areas. This is a legal requirement and must be checked regularly. If it is not working properly in your building, it needs to be addressed as soon as possible.
- A generator or alternative power supply. Not every building has one, but in communities with a lift, water pumps or security systems, it can be a very worthwhile investment.
- A clear action protocol. Knowing who contacts the electricity company, who notifies the property manager and how the incident is communicated to residents prevents confusion and misunderstandings.
If none of this has been defined in your community, the next owners' meeting is a good opportunity to raise it.
Emergency kit: what every home should have
Organisations such as Civil Protection recommend keeping a small emergency kit at home. Nothing elaborate is needed:
- Torches with spare batteries (or rechargeable ones).
- A portable battery pack for your mobile phone.
- A battery-powered radio to follow official updates.
- Bottled water and some non-perishable food.
- A basic first-aid kit.
- Important documents kept somewhere accessible.
Having these items to hand does not mean living in a state of constant alert — it simply means being prepared for the unexpected.
When should you notify your property manager?
If the power cut affects the building's shared areas — stairwells, car park, lift, entrance hall — and is not resolved within a reasonable time, your community's property manager needs to be informed. They are the ones who can liaise with the electricity company, coordinate repairs to any damage in shared installations, or activate the building's insurance policy if required.
At Fincas Caseuro we handle these situations swiftly and directly, because we know that when something goes wrong, what owners need most is a prompt response and clear communication.
If you would like your community to be better prepared for situations like this, or if you have any questions about your building's shared electrical installations, do not hesitate to get in touch with Fincas Caseuro. We will be happy to advise you.


