One of the big selling points for electric cars is that they’re environmentally friendly. This is true to a large extent because pure electric vehicles come with no tailpipe emissions that harm the atmosphere. However, the electricity they require comes from the National Grid, which is still significantly fuelled by coal and gas.
For those who want to improve their carbon footprint and save even more money with their electric cars, it is possible to charge them via solar panels installed on the roof of your home. It is also a great way to save money in the long run, making a solar panel electric car installation system the perfect accessory to accompany your EV.
To efficiently charge an electric vehicle using solar panels, you will also have to install a home charging unit and a PV inverter unit that converts the solar energy into DC current for the vehicle. There are several systems available for purchase already. An important point to note is that solar panels will only generate electricity to charge your EV during the day. If you and your car are at home during the day, then you can charge your car directly from the solar PV system. However, if you’re one of the many people who is out and about during the day, you’ll be missing out on much of the free electricity generated by your panels.
To be able to charge your car at night you will also need to install a home battery system which will store surplus solar energy (any energy you haven’t used) so you can use it at night. Although this may seem like more expense in the first instance, studies have shown that in the long run, the savings of generating your own renewable, free electricity will far outweigh the costs.
One study recently quoted a saving of £2500 per year in electricity and fuel by replacing a 35mpg diesel car and grid powered home with solar energy. With transport now the biggest contributor to the UK’s greenhouse gas emissions, and the government being urged to improve on their plans to ban all diesel and petrol vehicles by 2040, it certainly looks the case that the EVs + Solar Power = the future.
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No solar PV? No problem! If you don’t have a solar PV system, your electric car charger can still operate from an ordinary EV charging station importing from the grid. You can always add your solar/wind system later.