Charging at home is simpler and steadier than charging in town, on one condition: that the home’s electrical installation can keep up. This guide says what to check before ordering a charging point, and who to entrust the fitting to.
Do you mostly charge during the day? The photovoltaics guide changes the equation: producing what you charge costs less than buying it back.
A domestic socket and a wall box are not the same object. The wall box sits on its own circuit, with its own protection and its own residual-current device, sized for hours of continuous current, which a socket meant for a kettle never was.
Charging can be steered. The box talks to the meter, spreads the load across the night, and holds back when the oven and the hob are running. That is what stops a full charge from tripping the whole house.
When the panel dates back a few decades, bringing it up to standard comes first. An electrician checks the earthing, the protections and the available power, then says what has to be reworked before anything is ordered.
| Compared on | Charging Stations (Wallbox) Quote (Charging Stations (Wallbox)) | Photovoltaics Quote (Photovoltaics) | Energy Storage Battery Quote (Energy Storage Battery) |
|---|---|---|---|
| What it brings | A charge at home, overnight | Electricity | A shift in when you consume |
| What you need | Your own space and a compliant panel | An unobstructed roof and an inverter | Generation already installed |
| The works | Half a day, from the panel to the space | One to two days, on the roof | Plant room only |
| What changes day to day | No more detours to a public point | Part of your electricity bill | In the evening you use what you produced |
| The limit | Charges nothing you have not bought | Nothing at night, little under heavy cloud | Does not increase what you produce |
We show no amounts on these pages, and that is deliberate: a copied scale becomes wrong without warning its reader. The official tool is updated at source; that is where amounts, ceilings and conditions are to be read.
The simulator does not show? Open the official calculator (opens in a new window)
The information published here is indicative and does not commit Wedo. It describes public schemes whose rules, conditions and amounts change over time.
For any figure and for filing an application, the official pages of Klima-Agence and of your municipal administration are what count.
Pre-financing exists today for solar photovoltaic systems, with or without a domestic battery. The Klimabonus subsidy is then deducted directly from the final invoice by the installer, instead of being paid out later by the State.
The scheme only works with an installer entered in the register of installers eligible for pre-financing, kept up to date by the Ministry of the Economy. That is the first thing to check, before signing anything.
The application for aid is filed by the installer on behalf of the beneficiary, not by you. On your side, you fill in a mandate form which the installer sends to the Ministry of the Economy.
The subsidy and every down payment already made must be clearly stated on the final invoice and deducted from the total. The down payment the installer may ask of you before that invoice is capped, and the cap is given on the official page.
Who can benefit. The beneficiary is the owner of the residential building, or the person holding immovable property rights on it. In a co-ownership, it is the managing agent or a co-owner appointed by the general meeting. A business whose activity requires a business permit is precluded.
The full conditions, deadlines and caps are on Guichet.lu, the official source, and that is the link to open before signing.
A charging point draws for hours. Before choosing a power rating, the electrician looks at what the meter allows once the rest of the house is running. It is the reading that decides the box, not the other way round.
Earthing, protections, the residual-current device dedicated to the circuit: an older panel rarely accepts a charging point as it stands. Have the compliance work costed at the same time, not afterwards.
Between the panel and the parking space there are metres, walls and sometimes a courtyard. The length dictates the cross-section, the cross-section dictates the price. Have the route measured on site before signing anything.
A steered box charges when electricity is cheapest and holds back when the house is drawing hard. Ask what the box actually steers, and whether the function still works without a subscription.
Make and model, dedicated circuit, protections, commissioning and the handover of documents belong in the quote, item by item. A charging point fitted without a written report cannot be checked later.
garage wallbox, electric car charging point
panel replacement, RCD circuit breaker
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