Guides and advice · reviewed by a licensed electrician
Electrics explainedwithout the jargon.
Real prices, Spanish regulations, certificates, solar panels and chargers. The questions our customers in Málaga actually ask, answered in writing.
Latest articles49 published
08.10.2026Advice7 min
Is Air Conditioning Expensive to Run in Spain? Real Running CostsWhat air conditioning really costs to run each month in Spain, what drives the bill, and how to pay less for the same cooling. With the maths worked through.05.10.2026Advice7 min
Spain's Electricity Tariff Explained: Peak and Off-Peak HoursPeak, standard and off-peak: what the periods on Spain's 2.0TD tariff mean, how the regulated PVPC differs from the free market, and how to pick the right rate.02.10.2026Emergencies7 min
Getting Shocks From Appliances in Spain: What It MeansThat tingle from the fridge or washing machine is not normal: what causes it, why it is more serious when the RCD does not trip, and what to do right now.29.09.2026Advice7 min
TV Signal Problems in Spain: Why TDT Pixelates or Drops OutYour TV pixelates, freezes or loses channels: how to tell whether it is the set, your outlet, the aerial or the building's communal installation.26.09.2026Advice7 min
Why Do LED Lights Flicker? Nuisance vs Warning Sign in SpainOne lamp flickering or the whole house: how to tell a dimmer incompatibility from a loose connection, and which signs should not be left alone.23.09.2026Solar8 min
Why Are Your Solar Panels Producing Less? Maintenance in SpainYour solar system is underperforming: what is normal for the season, what is dirt, what is new shading, and what is genuinely an inverter fault.20.09.2026Emergencies7 min
Power Out in Only Part of the House? What to Check in SpainOne area dead and the rest fine: which circuit failed, how to find the culprit by plugging back in one at a time, and when it stops being able to wait.17.09.2026Advice7 min
How Long Does Rewiring Take in Spain? And Can You Live There?Realistic timescales for a rewire in Spain, whether walls have to be chased out, how much power you lose each day, and how to prepare so the job runs short.14.09.2026Advice7 min
Air Conditioning Not Cooling in Spain? What to Check FirstYour AC runs but the room stays warm: what to check yourself, what is an electrical fault, what needs a refrigeration engineer, and when the unit is simply too small.11.09.2026Electric Vehicles8 min
What Does It Cost to Charge an Electric Car at Home in Spain?How home EV charging costs really work in Spain: time bands, contracted power, load management, and why the hour you charge matters more than the car.08.09.2026Solar8 min
What Size Solar System Do I Need in Spain? A Sizing GuideHow to work out how many solar panels your Spanish home needs: from the kWh on your bill to peak power, roof orientation and daytime usage.05.09.2026Emergencies8 min
Autumn Storms in Málaga: Protecting Your Electrical InstallationWhat a storm actually does to your electrics, what to unplug beforehand, what to check afterwards, and how not to lose your insurance cover.02.09.2026Emergencies8 min
Electrical Emergencies in Spain: What Cannot Wait and What CanHow to tell a real electrical emergency from a fault that can wait, when to call 112, what to do while the electrician is on the way, and what never to touch.30.08.2026Advice8 min
How to Check an Electrician Is Registered in SpainHow to verify an electrician is registered, what a proper quote must contain, the warning signs, and why the cheap option ends up costing more.27.08.2026Advice7 min
Home Automation in an Existing Spanish Property: What Needs No Building WorkWhat home automation can be fitted in an existing property without touching the walls, why the neutral at the switch changes everything, and what does need real work.24.08.2026Regulations8 min
Periodic Electrical Inspection of a Spanish Apartment Building: What It Is and How to PrepareWhat the periodic inspection of communal electrical installations involves, which buildings must have one, who carries it out, and how to prepare.21.08.2026Advice7 min
Single-Phase or Three-Phase in Spain: When It Is Worth ChangingThe difference between single-phase and three-phase supply, how to tell which you have, when changing is worth it, and when there is a cheaper and faster answer.18.08.2026Advice7 min
Fitting an Induction Hob in Spain: Power, Circuit and BoardWhat an induction hob needs: its own circuit, adequate cable, space in the board and enough contracted power. What to check before you buy it, not after.15.08.2026Advice7 min
Your Spanish Consumer Unit Explained: What Each Switch DoesWhat each switch in a Spanish consumer unit does, which one to check when the power goes, what an old board is missing, and how to label yours in ten minutes.12.08.2026Regulations8 min
Opening Commercial Premises in Spain: The Electrical RequirementsWhat a commercial electrical installation requires in Spain: installation certificate, technical project, emergency lighting and periodic inspections. A guide for Málaga.10.08.2026Emergencies7 min
Burning Smell From a Socket? 4 Steps to Take Right NowWhat to do about a burning smell from a socket or consumer unit, why the RCD does not always trip, and what causes it. An emergency guide for Málaga.06.08.2026Solar8 min
Solar Panels for an Apartment Building in Spain: Shared Self-ConsumptionHow solar panels work for a Spanish apartment building: shared self-consumption, distribution coefficients, the majority needed at the owners' meeting, and what to check first.04.08.2026Advice7 min
Replacing a Communal Door Entry System in Spain: What to KnowWhen a communal door entry system needs replacing, audio versus video intercom, whether the existing wiring can be reused, and how the decision gets made.01.08.2026Regulations7 min
Pool Electrical Safety in Spain: What the Rules RequireWhat Spanish regulations require of a pool's electrical installation: 30 mA RCD, equipotential bonding, extra-low-voltage lighting, and what to check each summer.31.07.2026Advice7 min
Does Your Spanish Home Have Earthing? How to CheckHow to check whether your property has earthing, why an RCD is not a substitute for it, and what your options are if it is missing. A practical guide for Málaga.28.07.2026Advice7 min
Leaving Your Home Empty in Spain: An Electrical ChecklistWhat to unplug before you leave, what to keep running, and how to protect an empty home on the Costa del Sol from summer storms and power surges.24.07.2026Regulations7 min
Electrical Requirements for a Holiday Let in MálagaRenting out a holiday let in Málaga? Here are the electrical requirements that matter: the boletín (CIE), enough power, safety devices and a proper inspection.21.07.2026Advice7 min
Why Electricity Bills Soar in Summer in Spain (and the Fixes)Heat, air conditioning and higher taxes have sent summer electricity bills soaring in Spain. Here's why, and the practical ways to bring yours down.18.07.2026Costs7 min
Air Conditioning Installation Cost in Málaga: From €600 (2026)Real prices for installing air conditioning in Málaga: split, multi-split and ducted systems, what installation includes, and what pushes the quote up.17.07.2026Costs8 min
How Much Do Solar Panels Cost in Málaga? (2026)Real prices for installing solar panels in Málaga: what it costs by system size, what is included, the payback time, and the factors that move the quote.14.07.2026Emergencies7 min
What to Do in a Power Cut in Spain: A Practical GuideStep-by-step guide for when the power goes out: how to tell if it is your home or the grid, what to unplug, and how to protect your equipment from surges.14.07.2026Regulations9 min
Surge Protection: Is It Mandatory Yet?The updated REBT is set to make surge protection mandatory. We explain what changes, when it affects you, and how much it costs to install.11.07.2026Advice7 min
Contracted Power in Spain (Potencia Contratada) ExplainedWhat contracted power (potencia contratada) is, how to know if yours is right, and how to change it to stop overpaying or tripping the main switch. A clear guide.09.07.2026Electric Vehicles7 min
Installing an EV Charger in an Apartment Building in SpainIn Spain you have the right to install a charging point in your parking space without the community's permission. We explain the process, requirements and who pays.07.07.2026Costs7 min
How Much Does It Cost to Rewire a House in Málaga?Real prices for rewiring a home in Málaga: what is included, when you need it, and the factors that push the quote up or down. A practical cost guide.04.07.2026Solar8 min
How to Register Solar Panels in Andalucía: The 5 StepsThe paperwork you need to register a self-consumption solar system in Andalucía and how surplus compensation works. A plain guide with no small print.02.07.2026Certificates7 min
Buying an Old Property in Spain: Electrical ChecklistBefore buying an older property in Málaga, check the electrics. Here is the inspection checklist and the red flags English-speaking buyers should never ignore.30.06.2026Advice7 min
Heat Pump or Air Conditioning in Spain? An Installer's ViewWe compare aerothermal heat pumps and air conditioning for a Costa del Sol home: cost, efficiency, installation and when each option makes sense.27.06.2026Advice6 min
How Much Do You Save by Switching to LED Lighting?Switching to LED lighting can cut your lighting bill by up to 80%. We work out the real savings, the payback time, and what is worth upgrading first.27.02.2026Regulations12 min
New REBT 2026: What Changes in Spain's Electrical RegulationsSpain's electrical regulations are being updated for the first time in over 20 years. We explain the key changes affecting homes in Málaga and what you need to do.08.02.2026Solar8 min
Is a Solar Battery Worth It in Spain? (2026)Honest guide to solar batteries in Spain: costs, benefits, drawbacks, and when they make sense. Realistic analysis to help you decide on home battery storage.07.02.2026Advice6 min
Air Conditioning Trips Electricity in Spain?Does your AC keep tripping the electricity in Spain? Guide for expats: understand potencia contratada, power limits, and how to fix it.06.02.2026Emergencies8 min
Electrical Safety After Flooding: Do Not Reconnect Power YetWhat to do with your electrical system after flooding. Safety guide for expats: when to call an electrician, what to check, and how to stay safe.06.02.2026Emergencies8 min
RCD Keeps Tripping in Spain? What to DoComplete guide for expats: why your RCD (diferencial) keeps tripping and what to do. Common causes, safe troubleshooting steps, and when to call an electrician.05.02.2026Certificates8 min
Boletín Eléctrico Spain: Complete Guide for ExpatsEverything English-speaking expats need to know about the Spanish electrical certificate. Plain English guide to CIE certificates, inspections, and costs.05.02.2026Certificates6 min
Can You Sell a Property in Spain Without a Boletín Eléctrico?Legally yes, but it often causes problems. We explain when the boletín eléctrico is required and how to avoid surprises when selling property in Spain.04.02.2026Costs7 min
EV Charger Installation Cost in Málaga: Complete GuideHow much does it cost to install an EV charger in Spain? €300-€3,000+ depending on your situation. We explain all the factors for Costa del Sol homeowners.02.02.2026Costs6 min
How Much Does It Cost to Replace an Electrical Panel in Málaga?Real prices for replacing your electrical panel in Málaga: €300 to €700 for most homes. We explain what's included, when you need it, and what affects the cost.WHATSAPP+34 656 531 413 →EMAILinfo@vlrinstalaciones.com →ADDRESSC/ Antonio Jiménez Ruiz, 38 · Málaga →
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