How Many Solar Panels Are Needed to Charge an Electric Car?

By: Tasseer Badri
Jakarta Solar℠

March 06, 2024

Sun-Powered Rides: How Solar Panels Fuel Your Electric Vehicle

Electric vehicles (EVs) are surging in popularity in recent years, and for good reason. They offer a guilt-free driving experience, slashing carbon emissions and slashing trips to the gas station. But for the truly eco-conscious driver, the question remains: how can you power your EV in the cleanest way possible? The answer lies in the power of the sun. Home solar panels offer the ultimate sustainable solution, allowing you to literally "run on sunshine." But how many panels do you need to keep your EV charged for the long haul?

Home vs. Public Charging: Convenience Meets Sustainability

Most EV owners (roughly 83%) charge their vehicles at home. This offers unmatched convenience – simply plug in overnight and wake up to a fully charged car. However, relying on the grid for electricity can negate the environmental benefits of your EV if the grid itself is powered by fossil fuels, which in Indonesia, is mostly the case. This is where rooftop solar comes in. With a solar system, you can power your EV with 100% clean energy, truly minimizing your environmental footprint. Plus, you'll be less reliant on the grid, potentially saving money on electricity bills.

How Much Solar Power Do You Need?

Let's crunch some numbers. Let’s assume the average driver in Indonesia drives about 22,500 kilometers per year, and an average EV gets 4.82 kilometers per kilowatt-hour (kWh) of electricity. This translates to roughly 4,668 kWh of additional energy needed annually to power your EV (22,500 kilometers / 4.82 kilometers = 4,668 kWh).

So, how many solar panels does it take to meet this demand? A typical 1 kW solar system produces around 4 kWh/day or 1,500 kWh/year (depending on exact location and weather conditions). Therefore, to generate the needed 4,668 kWh, you'd need an additional 3.1 kW system – or roughly 8 to 12 solar panels, depending on their power output.

Adding Solar to Your Existing System

If you already have solar, consider your current energy usage. If your system doesn't fully cover your needs, adding 3 kW or more might be necessary. For those with excess solar production, a home battery system can be a great option. This allows you to store solar energy during the day and use it to charge your EV at night, like batteries recommended by Jakarta Solar℠. However, most home batteries have less capacity than an EV battery, so you may need additional panels to fully recharge from stored energy. If you prioritize power outage resilience, adding more solar panels can be the answer. Jakarta Solar℠ offers high-efficiency panels, maximizing power generation even with limited roof space.

Considering Solar for the First Time?

If you're a soon-to-be EV owner without solar, consider making the switch to clean energy. Solar power helps keep electricity costs in check when charging your EV at home. Jakarta Solar℠ offers efficient systems with expert guidance to determine the optimal number of panels for your needs. Transportation is a major contributor to emissions. Powering your EV with solar energy is a fantastic way to reduce your environmental impact while saving money on electricity. So, embrace the sunshine and enjoy a truly sustainable driving experience!

I’m ready to be YOUR energy consultant, Contact me today, it’s Totally free.