With the right push to EVs across the globe, installing solar PV panels on your roof becomes more relevant, which empowers the end user to reduce the running costs of their EVs to even ZERO.

Brief Overview

If you drive or plan to own an electric vehicle (EV), chances are you're considering installing an EV charging station in your home. Home charging ports allow EV owners to charge their vehicles without having to search for public charging stations. EV charging stations in public are not as many as public service stations, so the owner may have to build his own.

Home charging station energy is drawn from the existing grid. The cost of using this energy is the same as the cost of using electricity in a typical home, and electric vehicles can be very expensive because they can store large amounts of energy. For this reason, combining a charging station with a solar panel system is a great option for electric vehicles and solar panel owners.

To determine the number of solar panels you need to power your electric vehicle, consider many aspects, including – EV battery size, module efficiency, hardware type, etc.

The Combination Of PV Panels And Charging Stations.

The combination of a solar panel system and an EV charging station offers many advantages and is a cost-effective way to generate and consume solar energy. This type of configuration is required when setting up a solar panel system capable of producing enough energy to power an electric vehicle.

The solar inverter is the key piece of this puzzle. Before we can use the solar energy generated by most electronic appliances and devices, it must be converted from direct current (DC) to alternating current (AC). This is also the case when solar energy is used to power electric vehicles.

Finally, build a charging connector to connect to the inverter so that it can take power and transfer it to the electric vehicle's battery.

The Number Of PV Panels Needed To Charge An EV?

The number of panels required is determined by the size of the electric vehicle battery. But in this scenario, let's consider a regular Tesla Model S with a 75 kWh battery.

First, we need to find out how much energy a single solar panel produces. A solar panel's energy production is determined by its material, size, efficiency, and other criteria.

A typical 250-watt solar panel produces 30-42.5 kWh of AC per month. Indeed, let's choose the most necessary to get an approximate figure.

If one cheap solar panel can supply about 1kWh of AC power every day, it would take a whopping 75 solar panels to get the Tesla Model S from 0 to 100% capacity every day.

Fortunately, the average car driver drives 60km every day, which matches to about 12kWh of electricity. As a result, 12 solar panels are a more realistic size. So if solar panels are efficient, the number of panels can be further reduced. Additionally, driving less than 30 miles per day greatly reduces the number of panels required. Most solar panel systems contain 25-30 solar panels, so this number is very viable for future solar panel and electric vehicle owners.

What she Time Taken To Charge An Ev At Full Capacity With A Solar Plant?

The charging time of an electric vehicle with a solar panel is determined by the voltage of the electric vehicle and the solar panel. In this example, we used an average car battery size of 54kWh. A typical home solar system is around 4kW. A panel of this size produces 3,400 kWh per year or 9 kWh per day.

According to this estimate, six of his 4kW solar panels are needed per day to fully charge an electric vehicle battery. However, if a typical driver drives 60 km a day, it is questionable whether he needs to charge all day or all the time to reach maximum battery capacity. 60 km per day equates to approximately 12 kWh of electricity. Most solar panel systems contain 25-30 solar panels, so the actual charging time per day is much shorter.

How Many Solar Panels Do A Tesla Require For A Full Charge?

Tesla and SolarCity, Electric Cars and Solar Panels – Two head-on wars against grid dependence and energy dependence. Not only can you charge your Tesla with solar energy, but it is recommended. Electric vehicles like Teslas act as solar energy storage batteries. Find out the price of solar panels in your area in 2022. The merger brings together two world-leading emission reduction solutions under one roof.

Now that Tesla has established itself as a clean energy giant, it's time to explain what this means for carbon-conscious homeowners. How do you connect a solar panel to an electric vehicle? How much power does it take to charge a Tesla Model S? How long it takes to charge a Tesla depends on several factors, including connection model and type. A short trip of 25 miles each way requires about 17 kWh of energy while running errands only requires 2-3 kWh of energy. Charging the Model 3 from a standard 3-pin NEMA 5-15 outlet with a 120-volt, the 15-amp breaker will take approximately 5 days if the battery is not initially charged.

Finally, you need about 10 solar panels to charge your Tesla.

What Is The Amount Of Energy Required To Charge Any Ev Battery?

There are several schools of thought on how much power an EV battery needs. The first consideration is the price per mile. This is usually expressed in kilowatt-hours per 100 miles travelled (kWh/100 mi). Another way to analyze the amount of power required to run an electric vehicle is to look at the amount of power required to fully charge the vehicle. This measure is more in line with current thinking about how much it costs to fill up a gas tank in a vehicle with an internal combustion engine.

The amount of power required to "fuel" an electric vehicle is proportional to the size of the battery. Typically, an electric vehicle battery can store between 25 and 100 kWh, but the difference is largely determined by how far a particular car can travel on a single charge. To give a sense of scale, home energy storage systems such as the LG Chem RESU 10H and Tesla Powerwall 2 typically store 10-15 kWh of electricity.

How Much Power Does your EV Needs in a Year?

The amount of electricity an electric vehicle consumes in a day, month, or year is determined primarily by the distance travelled. If you live in an urban area and own a car, but only use it occasionally, the power requirements to run your EV are fairly low year-round. On the other hand, if you live in the suburbs or the countryside and drive to work every day, the electricity required to run your vehicle can be a significant portion of your annual electricity usage.

According to the Federal Highway Administration, the average American drives about 13,500 car miles per year. Most electric vehicles require around 4,000 kWh of electricity per year to run at this driving level.


Switching from fossil fuels to solar energy is not only easier on your wallet, but it's also a great way to reduce your carbon footprint. The high initial cost of electric vehicles is quickly offset by fuel savings, and many electric vehicles qualify for state and federal tax incentives that reduce initial costs by $7,500 or more.

The amount of energy you need depends on the size of your car's battery and its typical mileage per day, but no matter how much electricity you use, you can charge your car at home using solar panels. You are more likely to save money by doing so. Amount of money.

How Waaree Can Help?


Waaree Energies Ltd. is the flagship company of Waaree Group, founded in 1989 with headquarters in Mumbai, India. It has India's largest Solar panel manufacturing capacity of 5GWs at its plants in Surat and Umbergaon in Gujarat. Waaree Energies is amongst the top players in India in Solar Panel Manufacturing, EPC Services, Project Development, Rooftop Solutions, and Solar Water Pumps and is also an Independent Power Producer. Waaree has its presence in over 380 locations nationally and 20 countries internationally. Step on to your cleaner journey by contacting us at 18002121321 or mail us at waaree@waaree.com

See also: How Many Solar Panels are needed to Charge an Electric Car?

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