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Grants and numbers

An electric car is not sustained by a grant. It is sustained by the numbers.

Grants come and go. What does not change is what you stop spending every month by charging at home instead of filling up. Do the maths yourself with your mileage and your car, then see which real grants exist right now.

Your mileage, your savings.

What you save a year versus an equivalent petrol car, how long your car takes from 20 to 80% and how many days one night of charging covers. Everything is calculated in your browser.

Kilometres a year15,000 km
Car battery
Charging point power
Fine-tune with my details

Yearly savings versus petrol

≈ 1,256 €/year

Petrol
€1,511
At home
€255

Charging off-peak (€0.10/kWh, 17 kWh/100 km) versus an equivalent petrol car (6.5 l/100 km at €1.55/l).

From 20% to 80% battery

5 h 17 min

36 kWh at 7.4 kW. If your car accepts less power, it will charge at its own rate.

One night of charging (8 h)

+320 km

With your mileage, one night plugged in covers the whole week.

Indicative estimates for comparison. In the survey we adjust them to your car, your tariff and your parking space. Ask for your exact figures.

What does exist in 2026

Two real grants, and we process them.

These are the two you can count on today for your installation. They go through different routes and can be combined.

15% income-tax deduction

If you are an individual and the charger is installed in a parking space or garage you own (or in the communal garage of a building you own), you can deduct 15% of what you pay for the installation on your income tax return, up to a €4,000 base (maximum deduction €600). Requirements: payment by bank transfer or card and private use, with payment made and installation completed by 31 December 2026 at the latest. It does not apply if the space is rented or held in usufruct, nor to companies or owners' associations, which have other incentives. Check with your adviser. The base is the complete installation, not just the equipment, so it is worth having a single invoice that covers everything.

Energy Savings Certificate

It is not a deduction: it is a certificate that accredits the energy the installation saves and turns into money for whoever carries it out. €600 from the scheme administrator, at no cost to you, if you have bought an electric car and have scrapped or sold a combustion car that had been yours for more than a year. We manage it from start to finish.

Vehicle tax

Many town councils in the Madrid region discount the vehicle tax for electric cars. The percentage is set by each municipal by-law.

Your electricity tariff

It is the biggest "grant" and the one nobody hands you: a time-of-use tariff and a charger scheduled for the night change the cost of every kilometre. We help you choose it.

Questions about the grants

How much can I deduct on my tax return?

If you are an individual and the charger is installed in a parking space or garage you own (or in the communal garage of a building you own), you can deduct 15% of what you pay for the installation on your income tax return, up to a €4,000 base (maximum deduction €600). Requirements: payment by bank transfer or card and private use, with payment made and installation completed by 31 December 2026 at the latest. It does not apply if the space is rented or held in usufruct, nor to companies or owners' associations, which have other incentives. Check with your adviser. The base is the full installation, not just the unit: charger, materials, protections, labour and registration.

How long do I have to claim the deduction?

The installation must be finished by 31 December 2026 at the latest. It is applied in the tax return for the year it is completed, with the invoice and proof of payment.

What is the Energy Savings Certificate?

A certificate that accredits the energy the installation saves and turns it into money for whoever carries it out. It is €600 from the scheme administrator, at no cost to you, if you have bought an electric car and have scrapped or sold a combustion car that had been yours for more than a year. We handle it: you do not file a single form.

Can the two be combined?

Yes. The deduction goes through the tax route and the CAE through certified energy savings, so they do not overlap. The sensible thing is to count on both from the start.

Can I pay in cash?

Not for the income-tax deduction. You must pay by card, transfer, nominative cheque or bank deposit. Cash payments do not count.

What if a new grant comes out after installing?

If a national, regional or municipal grant comes out that your installation qualifies for, we will tell you and process it at no cost. But do not make the decision depend on that: the saving that sustains an electric car is what you stop paying every month.

How much would it cost you?

Tell us which car you have and where you want the charger, and we'll tell you what you'd pay with the incentives already deducted.

10YEARS10-year installation guarantee, in writing€0 up frontCertification, registration and grants included
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Solventium Ingenieros · solventium.es · 910 05 49 84 · contacto@solventium.es