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Which is cheaper: charging your EV at a public station or home? This question intrigues most EV owners. You have to make the correct choice when installing a charging station. As electric cars gain in popularity, know the cost involved in charging your vehicle. Explore cost differences and identify the most affordable way. 

Home charging

It is a convenient and affordable option for all EV owners. You may keep your vehicle in a charging position throughout the night to ensure full charge. Home charging rates depend on local electricity rates and EV charger efficiency. The cost is measured per kWh. Buy a charger that matches the specific requirements of your vehicle or select manufactured-prescribed ones to ensure greater charging efficiency. 

Public station charging

They are more expensive compared to charging at home. DC fast chargers take less charging time and are found at public stations. However, rates are charged by the kWh or minute. Hence, rates might vary, depending on station and locality. These stations are beneficial as they provide a quick charging facility and ensure your vehicle stays on the road. 

Other essential factors

  • Network accessibility: In India, public EV charging stations are still new. You may not get them everywhere. Popular and urban routes have more stations. On the other hand, rural areas provide fewer options.

  • Convenience: Home charging is more affordable and convenient compared to charging at public stations. It allows overnight charging and enjoying riding a fully charged vehicle. On the other hand, public charging requires extensive planning. You have to spend some time at the station or do other errands.

  • Charging speed: Compared to home chargers, public DC fast chargers provide quick charging. Although this feature is beneficial, you have to pay a higher cost to enjoy this facility. It is convenient for people who travel a lot.

Cost of charging EV at home

  • Charging efficiency: EVs lack 100% efficiency in electricity conversion to power. Although efficiency varies, it is approximately 85% to 90%. Hence, for every 100kWh electricity used in charging the vehicle helps store only 85 to 90kWh in the battery.

  • Electricity rate: Electricity rates differ in different states throughout the country. Hence, charging rates could vary depending on the location. Besides this, rural areas and small towns have lower electricity rates compared to big cities.

  • Charging device: Home charger installation rates may vary based on installation needs and device power output. Level-Two charger is highly priced compared to the basic Level-One charger. However, some utilities might offer lucrative incentives or rebates for home charger installation. 

  • Charging time: Battery capacity and charger’s power output determine the time taken to fully charge your vehicle. Level-One charger provides a per-hour charging range of 2-5 miles. On the other hand, the Level-Two charger provides a per-hour range of 10 to 60 miles.

Cost of charging EVs at Public stations

Rates for EV charging station for e-auto may vary depending on pricing structure. The typical costs include:

  • Per kWh pricing: Most public stations in the country charge by kWh of electricity used. Rates may vary depending on the device used and location.

  • Per-hour pricing: Few stations might provide charging facilities at per-hour flat rates. However, the cost might vary depending on location and station. 

  • Idle fees: A few stations might charge idle fees for leaving vehicles plugged in after full charge. Such charges help other EV owners access the station to power their EVs. 

  • Network-specific rates: Not all charging networks have similar pricing structures. Hence, compare pricing details to know the rates charged.

  • Membership fees: Few networks might require EV owners to subscribe to their monthly or annual membership scheme. Charging fees might vary based on the access level sought and the network.

Which is the cheapest?

Home charging your EV is undoubtedly the cheapest form compared to public stations. The reason is that residences enjoy lower electricity rates compared to commercial rates. Solar panels at home can be used to charge your vehicle. It reduces charging costs. You may download charging apps on your smartphone to locate affordable charging stations nearby. Some networks provide promotional or discounted rates. 

Other aspects to consider

Select energy-efficient charging practices, like setting your vehicle to charge 80-90 percent and not 100%. It helps reduce charging expenses and prolongs battery life. Consider using public stations that offer discounts. Avail of benefits from membership programs. Optimize savings.