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Before booking the installation, you need to check that your home meets three basic technical conditions. The contracted power of your electricity supply must be at least 3.7 kW for a slow charger, 7.4 kW for a standard one, or 11 kW or more if you want a fast charger. If your current contract is lower (for example, 3.45 kW), you will need to ask your distribution company for a power increase, which involves a change to your service connection.<\/p>\n
<\/span>Practical installation steps<\/span><\/h2>\nThe installation process has five clearly defined steps. First, ask a certified electrician for a technical feasibility report: they will check your electrical installation and tell you whether it needs upgrading. Second, if necessary, increase the contracted power by contacting your electricity distribution company (this usually takes 2\u20133 weeks). Third, hire an authorised installer (with AENOR certification or equivalent) to carry out the work. Fourth, run the functional tests and request the mandatory technical inspection required by local regulations. Fifth, register the installation with the distribution company so that it is officially documented.<\/p>\n
<\/span>Paperwork and permits<\/span><\/h2>\nAlthough it may sound bureaucratic, the paperwork is simple if your installer handles it. You will need the installation certificate from the technician, a technical report if the power exceeds certain thresholds, and approval from your town council or homeowners’ association if you live in a building. In many cases, the latter is the slowest part, because other neighbours must give their consent if the charger goes in a shared area. In detached houses, the process is much quicker.<\/p>\n
<\/span>Frequently asked questions about home EV chargers<\/span><\/h2>\n<\/span>Can I use a standard socket?<\/span><\/h3>\nTechnically yes, but it is not recommended. A Schuko socket (220 V) charges very slowly (12\u201315 hours) and can overheat if you use it regularly. The right solution is to install a dedicated wallbox.<\/p>\n
<\/span>How much does it cost to install a wallbox?<\/span><\/h3>\nThe total cost ranges from \u20ac800 to \u20ac2,000 (equipment + installation + permits). If you need a power upgrade, add another \u20ac300\u2013500. It is an investment you recover in 4\u20136 years thanks to lower charging costs.<\/p>\n
<\/span>Are there grants available?<\/span><\/h3>\nYes, many Spanish regions and town councils offer grants for installing chargers. Some offer up to \u20ac1,000. Check with your town council or installer.
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