Electric vehicles (EVs) are becoming increasingly popular as an eco-friendly alternative to gas-powered cars. However, most EV owners still charge their vehicles using electricity from the grid, which can often come from fossil fuel sources like coal. This diminishes the environmental benefits of driving an EV. Charging EVs with solar energy instead can help maximise their sustainability.

Solar EV charging utilises energy from sunlight to directly charge electric cars and light-duty vehicles. In this blog, we will examine what exactly solar EV charging involves, its advantages like lower greenhouse gas emissions, potential challenges to widespread adoption, and the future outlook for this promising technology.

Whether you already own an EV or are considering buying one, understanding solar charging options can help you make the greenest choice when charging your electric car. Continuing reading to learn more about how solar energy can power the electric vehicles of today and tomorrow.

The Benefits Of Solar Powered EV Charging


Reduced Greenhouse Gas Emissions

Solar EV charging can reduce greenhouse gas emissions compared to charging with fossil fuel-based grid electricity. Using solar energy prevents the high emissions of coal and natural gas electrical generation.

Lower Charging Costs

Harnessing sunlight to charge provides free renewable energy, significantly lowering costs. Meaning that you will not have to pay nearly as much to charge your vehicle.

Energy Independence

Solar EV charging allows for fueling vehicles without reliance on the grid. It provides energy resilience and insulation from potential grid outages.


Solar power enables EV charging at home without public charging infrastructure. Drivers have access to charging when they need it.

Maximises Use of Clean Energy

Solar EV charging aligns with peak daylight hours of solar electricity generation. It facilitates the self-consumption of the solar power produced onsite.

The Drawbacks And Limitations Of Solar EV Charging

High Upfront Costs

Installing a solar EV charging system has varying costs for equipment like solar panels, inverters and labour. The high upfront investment requires long-term planning and budgeting.

Dependence on Sunlight

Solar EV charging relies on sufficient sunlight to generate enough electricity. Output is lower on cloudy days or at night when solar irradiance is decreased.

Battery Storage Requirements

Solar energy must be stored in batteries to accumulate the charge needed for multiple days of overcast weather. Battery capacity for 3-5 days of backups is recommended.

Geographic and Location Limitations

Some regions get fewer annual sunshine hours, reducing solar harvesting potential. Installations may not be feasible on multi-story buildings that lack roof space.

Low Adoption of EVs Currently

As EVs are still uncommon, excess solar electricity often goes unused without adequate storage. More EVs are needed to take full advantage of solar EV charging capabilities.

Comparing Solar EV Charging To Traditional EV Charging

When assessing solar-powered EV charging, it’s useful to compare it against the traditional method of grid-based charging. Most EV owners currently rely on their local electrical grid to charge their cars. This grid electricity often comes from fossil fuel plants, producing higher carbon emissions. Grid charging costs vary based on time-of-use rates and can be expensive during peak demand. Charging in public is convenient with widespread fast charging stations.


In contrast, solar EV charging produces clean, renewable electricity, lowering greenhouse gas emissions over time. Harnessing sunlight is free once the solar system installation costs are covered. Solar-charged EVs can refuel at home rather than waiting to use public chargers.

Overall, solar EV charging has higher upfront expenses but leads to lower environmental impact and lower charging costs in the long run compared to fossil fuel-based grid power. EV owners must weigh these factors when deciding between grid and solar charging.

The Future Of Solar Powered EV Charging

As solar and EV technologies rapidly improve, the future looks bright for solar-powered charging. Costs for solar panels and batteries continue to decrease, making adoption more affordable. Design integration will also increase productivity – solar collection can be built into EV surfaces like roofs and hoods to supplement range. Bidirectional charging will allow EVs to draw and return power to the grid, optimising energy flows.


With advancements, solar EV charging is expected to become compact, efficient and cost-effective. More powerful solar cells and batteries will harvest and store more energy in less space. Smart grids will dynamically optimise EV charging and discharging. Improved capacity will make solar power viable for larger vehicles like buses and trucks.

Widespread solar EV charging could help significantly reduce transportation emissions, accounting for 18% of Australia’s total output currently. More accessible and affordable systems could make this clean charging option standard for all types of electric vehicles in the near future. Solar-powered EVs promise to offer a truly sustainable transportation solution.

The Benefits Of Solar Powered EVs Outweigh The Costs

Solar EV charging enables drivers to fuel their electric cars with clean, renewable sunlight. While installing solar charging systems requires upfront investment, it pays dividends through lower operating costs and reduced carbon emissions over the lifetime of the equipment. As solar and EV technologies rapidly improve, solar-powered charging is poised to become an affordable, sustainable transportation solution that promotes energy independence.

Reach out to Your Electrical Experts on the Gold Coast if you are interested in installing solar panels, EV chargers, or a complete solar EV charging system for your home or business. Investing in solar power for your electric vehicle promises lower environmental impact and costs. Contact us today to discuss how solar energy can charge your EV!