Optimizing public electric vehicle charging



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25 Jul 2023 6 mins to read

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As a society, do you want to see more electric cars on the roads? What do you need to think about buying an electric car? If you take the conventional wisdom, the one thing we need to improve is public charging stations for electric vehicles. Until now, charging an electric car at home has been a fairly simple process.
Optimizing public electric vehicle charging
In the evening, the driver plugs the car into an outlet, where - the driver wakes up the next morning with a full charge. While most of the time charging takes place at home, we're seeing more and more charging at workplaces.

And now we're finally seeing more public charging stations scattered across the urban landscape. While it's easy to charge an electric car at home, the process of charging at public charging stations is much more complicated. In many cases, you need to read the authorization card and other instructions before you start charging. Worst of all, different public charging stations often require different cards.

Learn about the expenses involved in EV infrastructure by exploring how much a commercial EV charging station costs.

Intelligent charging is ahead of its time, and great strides have been made in this area Telemotive Intelligent Charging (TIC) is a new approach to modernizing electric vehicle charging stations TIC uses Power Line Communication (PLC), a technology that allows electric vehicles to charge at one station without requiring cards.transceiver communication with Internet services that provide authentication, payment and other convenient services.

What's really interesting about TIC is that the charging cable itself transmits data. So now we have real-time contact between the car and the charging station. This approach opens up new possibilities for users and drivers. These features make the request complete, convenient, secure and as smart as possible.

Telemotive smart charging does not require RFID or smartphone authentication. On the contrary, secure communication and payment transactions are automatic.

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How it achieves this: TIC works in accordance with ISO 15118 and DIN 70121. The application complies with the recommendations of the Motor Industry Software Reliability Association (MISRA). The entire package is then integrated into AUTOSAR. In this case, TIC is integrated into the Mentor Volcano VSTAR AUTOSAR stack. The integration of these two technologies provides the critical software infrastructure needed by OEMs and third-party suppliers to create electronic control units (ECUs), ushering in a new era of intelligent electric vehicle charging.

Connecting the vehicle to the grid Indeed, a number of technologies are involved here.

It is important to understand that ISO 15118 is divided into three parts (ISO 15118-1, -2 and-3). The first document (ISO 15118-1) defines use cases for public and private charging infrastructure scenarios. Here, specific use cases are determined by charging infrastructure providers and vehicle manufacturers.

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The second document (ISO 15118-2) defines the core Telemotive Intelligent Charging products. In this area, the communication protocol acts as a communication stack and is expanded to ISO-OSI levels 3 through 7. Here you will find familiar protocols such as TCP/IP version 6, User Datagram Protocol (UDP) and even Transport Layer Security (TLS). However, pay attention to new protocols designed specifically for smart charging. For example, the stack consists of a transport protocol known as Vehicle-to-Grid Transport Protocol or V2GTP. There is also a very clever compression algorithm called Efficient XML Interchange (EXI). It reduces the size of transferred data to about 4% of the original XML data size.

In addition, 17 types of messages, so-called application-level messages, are defined, allowing the charging process to be adapted to the specific needs of the user/driver.

At the lower level of ISO-OSI, ISO 15118-3 defines the physical connection, where power line or Green PHY communication functions. Mentor's AUTOSAR product is used.

The need for reliable and proven software for electric vehicles is growing every day. In addition, the charging methods for these vehicles must evolve with the advancement of vehicle technology. Today's public charging stations for electric vehicles need to be informed by more convenient, faster and safer charging methods. There are no exceptions.

Telemotive's intelligent charging solution, together with Autosar ECU integration, provides the user/guide with a seamless connection between the charging station and the vehicle via the charging cable, thereby creating a real connection between the vehicle and the charging station.OEM manufacturers and third party suppliers are making little effort to be able to offer their customers smart, sustainable technology for safe, comfortable and hassle-free electric vehicles, regardless of the route the user/driver chooses.

The Importance of Smart Grids in Optimizing Public Electric Vehicle Charging

Are you sick and tired of being stranded on an empty battery while cruising around in your electric vehicle (EV)? Do you feel like you could go the extra mile if only the public charging stations delivered the services they promised? The solution to this modern-day problem lies in Smart Grids. Smart Grids, a new technological development in the energy industry, aims to improve the electric infrastructure of countries and optimize electric networks to connect EVs to reliable energy sources. Here are some reasons why Smart Grids are crucial in optimizing public EV charging:

1. Improving Efficiency

Smart Grids use advanced technologies and software to monitor and analyze usage patterns, enabling them to predict energy demand and supply. Therefore, the energy usage on EV chargers can be managed more efficiently, and EV owners can get more accurate information about charging times and availability.

Key takeaway:

Smart Grids optimize charging times and minimize waiting periods for EV owners.

2. Reduced Carbon Emissions

Electric vehicles are widely accepted as a cleaner alternative to traditional combustion vehicles. However, the integration of Smart Grids increases energy efficiency and enables the electricity required for charging to come from renewable energy sources. Thus, carbon emissions are further minimized by replacing fossil fuels with renewable energy sources.

Key takeaway:

Smart Grids promote carbon neutrality and foster environmental protection.

3. Cost-Effective Charging

Smart Grids enable EV owners to charge their vehicles at the lowest possible cost, helping them reduce their overall energy consumption. Additionally, these grids promote the use of off-peak electricity rates to reduce EV owners’ charging costs. By utilizing a Smart Grid, EV owners can maximize their savings on charging costs.

Key takeaway:

Smart Grids save EV owners money and provide a cost-effective charging experience.

4. Enhanced User Experience

The Smart Grid provides an enhanced user experience for EV owners by offering personalized charging options, providing charging status updates in real-time, allowing EV owners to reserve charging stations in advance, and offering mobile payment options directly through the user's mobile device.

Key takeaway:

Smart Grids offer a convenient and enhanced user experience for EV owners.

5. Intelligent Load Management

Smart Grids can reduce charging station congestion and optimize EV charging by integrating intelligent load management systems that coordinate the charging of EVs with the energy supply from the grid. These systems ensure that electricity demand and supply are in balance, and the energy supply remains available for a variety of functions.

Key takeaway:

Smart Grids prevent congestion and optimize EV charging through intelligent load management. In conclusion, the Smart Grid is the answer to optimizing public EV charging. It provides energy efficiency, promotes carbon neutrality, and is more cost-effective for EV owners. The Smart Grid also enhances user experience through personalized charging options, real-time status updates, and mobile payment options. Lastly, intelligent load management in Smart Grids reduces congestion and optimizes EV charging. It's safe to say that the future of public EV charging lies in Smart Grids, and it's high time establishments adopt this emerging technology to ensure a better tomorrow for the environment, EV owners, and the energy industry.

Revving Up Public EV Charging Infrastructure

As the world shifts its focus to finding sustainable alternatives to fossil fuel-powered vehicles, electric vehicles (EVs) are increasingly becoming a popular choice among consumers. With electric vehicle sales projected to reach a whopping 125 million by 2030, there's an urgent need to develop infrastructures that support the growing demand for EV charging. However, while there has been a significant push in recent years to establish public EV charging stations, it's not uncommon to find long queues or malfunctioning chargers at many locations. So what's the solution to optimizing public EV charging infrastructure to make it more efficient and user-friendly? Let's explore some of the innovative solutions being developed to tackle this challenge:

Wireless Charging

One of the most promising solutions is wireless charging, also known as inductive charging. This technology involves transmitting electricity wirelessly through an electromagnetic field from a charging pad to an EV's battery located beneath the vehicle. A major advantage of wireless charging is that it eliminates the need for cables and plugs, making it more convenient and safer for EV owners. Additionally, wireless charging technology is being integrated into roadways enabling EVs to charge while on-the-go. According to a report by the National Renewable Energy Laboratory (NREL), wireless charging pads could allow EVs to recharge while waiting at traffic lights or in traffic queues.

Hyper-Fast Charging

Another solution being developed to optimize public EV charging infrastructure is Hyper-Fast Charging. The Korean automaker Hyundai recently unveiled its 800-volt, 350 kW EV charging system, which it claims can recharge an EV's battery to 80% in just 18 minutes. This is a significant improvement from the 30 minutes it takes to achieve the same level of charge in a standard 50 kW DC fast charger. Hyper-fast charging is also suited for urban areas with a high population density of EVs, as it significantly reduces queue times and allows more users to charge their vehicles in less time.

Smart Charging

Smart charging is another innovative solution that can optimize public EV charging infrastructure. Essentially, smart charging technology uses artificial intelligence (AI) to optimize the charging process, taking into account factors like the number of EVs on the network, the time of day, and the grid's electricity supply. Smart charging systems can prioritize charging for EVs with low battery levels or that need to travel further distances, reducing the waiting times for other EV owners. Additionally, smart charging can help to balance consumer demand for electricity while minimizing the load on the grid, especially during peak periods.

Integrated Mobile Apps

Mobile apps that support public EV charging play a crucial role in optimizing the charging experience. Some apps like PlugShare or ChargePoint provide real-time information on EV charging station availability, location, and status. They also allow EV owners to reserve charging spots ahead of time, providing greater convenience and reducing wait times. Some mobile apps even provide information on the price of charging for different stations and allow users to view their charging history.

Vehicle-to-Grid Technology

Finally, vehicle-to-grid (V2G) technology could play a vital role in optimizing public EV charging infrastructure. V2G technology enables EVs to function as a mobile battery storage unit, allowing surplus electricity from the EV's battery to be fed back into the grid during periods of peak demand. This technology provides a suite of benefits, including reduced strain on the grid, increased renewables integration, and the potential for financial rewards for EV owners.


Electric vehicles are expected to play a critical role in reducing the global carbon footprint, but for this to happen, optimal EV charging infrastructure must be developed. Wireless charging, hyper-fast charging, smart charging, integrated mobile apps, and vehicle-to-grid technology are just a few innovative solutions that can improve the EV charging experience for users. By integrating these solutions, we can increase the adoption of EVs while ensuring that public charging infrastructure is efficient, user-friendly, and sustainable for the long haul.

From Peak Demand to Easy Access: Advancements in Public EV Charging Optimization

Electric vehicles (EVs) have become increasingly popular over the past few years. As more people are looking towards sustainable transportation options, the demand for EVs has continued to grow. In response to this demand, businesses and government agencies have been working towards optimising public EV charging infrastructure to support the growth and make it more convenient for EV owners to charge their vehicles on the go.

Current challenges in public EV charging infrastructure

Although public EV charging infrastructure has improved significantly over the years, there are still a few challenges that need to be addressed. Some of the current challenges include:

  • Limited number of charging stations in certain areas, leading to long wait times and unavailability for EV owners
  • Difficulty in finding charging stations, especially in less populated areas
  • Inconsistent charging experiences due to varying charging speeds and network compatibility issues
  • High peak demand periods leading to congestion and the inability to accommodate all EV owners that need to charge

Though these challenges seem daunting, business and government agencies have been working tirelessly to address these issues and improve public charging infrastructure for EV owners.

Advancements in public EV charging optimization

Recent advancements in public EV charging optimization have addressed some of the challenges mentioned above. These innovations are helping to transform public EV charging into a more efficient and accessible system for all vehicle owners. Below are some of the key advancements made in recent years.

1. Advanced software solutions

One significant improvement in public EV charging is the implementation of advanced software solutions. These systems help optimize station usage and provide users with real-time updates on station availability, including differential rates during peak demand periods. Advanced software solutions also help station owners monitor station usage and maintenance more efficiently, allowing them to minimize downtime and keep stations operational for vehicle owners.

2. Increased station availability and capacity

The introduction of more stations and increased station capacity helps to support the growing demand for EV charging infrastructure. Station owners are continually increasing the number of charging stations, as well as improving station capacity to reduce wait times and maintain smooth traffic flow. There are already many initiatives and collaborations underway to increase station availability and capacity. For example, the Electrify America program plans to install 2,800 EV charging stations across the United States by the end of 2021.

3. Standardization of charging experience

The standardisation of the EV charging experience makes things simpler for EV owners. Standardisation ensures ease-of-use, enabling drivers to understand what to expect from the vehicle charging process quickly. Standardization also contributes to the development of a universal network that provides a consistent charging experience, regardless of the charging infrastructure provider.

Key takeaways

  • As public demand for EVs increases, public charging infrastructure is becoming more accessible and efficient
  • Advanced software solutions, increased station availability and capacity, and standardisation have been significant advancements in public EV charging infrastructure
  • Collaborative initiatives and partnerships are essential to facilitate rapid advancements in the EV charging infrastructure space
  • EV charging infrastructure should continue innovating to support the increasing demand and make the charging experience more accessible and efficient

In conclusion

The rapid advancements in public EV charging infrastructure are a significant improvement towards a sustainable and cleaner future. As the technology evolves and demand increases, we can expect continued innovation in the field, making EV charging even more accessible and efficient for everyone. With more accessible charging infrastructure, it is expected to witness an even quicker uptake of EVs, paving the way for a sustainable future.

5 Tips for Optimizing Public Electric Vehicle Charging Stations

Public electric vehicle (EV) charging stations have become a common feature in many cities. As the popularity of EVs continues to grow, the demand for charging stations is also increasing. These charging stations play a crucial role in promoting sustainable transportation while reducing carbon emissions. Unfortunately, many EV charging stations are not optimized for maximum efficiency and convenience. In this article, we discuss five tips for optimizing public electric vehicle charging stations.

1. Conduct a Site Assessment

Before installing a public EV charging station, it is crucial to conduct a site assessment. The site assessment should consider factors such as location, accessibility, and availability of power sources. An ideal location for an EV charging station is a busy area with high foot traffic. This will increase visibility and promote the use of the charging station. Additionally, the charging station should be accessible to all vehicle types, including large vehicles such as trucks and buses. The availability of power sources should also be considered to avoid overloading the grid.

2. Install Fast Charging Stations

The charging time for EVs is one of the most significant factors that discourage users from adopting electric vehicles. To make public EV charging stations more convenient, fast charging stations should be installed. Fast charging stations can reduce charging time from several hours to minutes. Additionally, fast charging stations can accommodate more vehicles per day, increasing revenue for charging station operators.

3. Implement a Mobile Payment System

The traditional payment system for EV charging stations involves using credit cards or smart cards. However, this payment system is inconvenient and time-consuming. To promote the use of public EV charging stations, a mobile payment system should be implemented. A mobile payment system allows users to pay for charging services using their smartphones. This eliminates the need for users to carry cash or rely on credit cards.

4. Provide Adequate Lighting and Security

Public EV charging stations should prioritize the security and safety of users. This can be achieved by providing adequate lighting and security systems such as surveillance cameras. Adequate lighting improves visibility and reduces the risk of accidents or theft. Security systems such as surveillance cameras can deter criminal activities and ensure the safety of users.

5. Offer Additional Services

Public EV charging stations can offer additional services to enhance the user experience. These additional services can include Wi-Fi, vending machines, and charging station maps. Wi-Fi can provide users with internet access while their vehicles are charging. Vending machines can offer snacks and beverages to users waiting for their vehicles to charge. Charging station maps can help users locate charging stations and check their availability before visiting.

Final Thoughts

Optimizing public electric vehicle charging stations can greatly improve the user experience and promote sustainable transportation. Conducting site assessments, installing fast charging stations, implementing a mobile payment system, providing adequate lighting and security, and offering additional services are all crucial in optimizing public EV charging stations. By following these tips, we can create a more sustainable and convenient future for electric vehicle owners.

Maximizing Public EV Charging Stations Best Practices for Sustainability and Convenience

With the rise of electric vehicles (EV), maximizing public charging stations is becoming more critical. Electric vehicles are gaining popularity due to their sustainability, and as a result, public charging stations are popping up all around us. But, in some cases, these charging stations aren't as convenient as they should be. However, with the right planning and right infrastructure, public EV charging stations can achieve massive convenience, sustainability, and long-term profitability. Let's look into some best practices to maximize public EV charging stations.

The Importance of Public Charging Stations

Electric vehicles hold the key to a sustainable future. But, for that future to be realized, EV owners need to be able to charge their vehicles as easily as traditional gas-powered vehicles. Public charging stations are essential because they provide EV owners with a safe and convenient place to charge their cars, whether it's for a quick top-up or a long charge while they're at work or running errands. Without public charging stations, electric vehicle adoption would slow down, and we might never reach a sustainable future.

Best Practices for Public Charging Stations

1. Strategic Planning Earlier planning is crucial while implementing EV public charger stations. Strategic locations should be identified keeping in mind that users can easily access them. These can be located near community centers, malls, or public parks to ensure people can quickly charge their vehicles while performing daily activities. 2. Having the Right Infrastructure The ease of charging an electric car consists of having the right infrastructure. Having hardware and software with maximum compatibility is essential. Charging stations must have robust construction and all standardized electric vehicle charging ports such as Level 1, Level 2, and DC fast-charging plugs. 3. Efficiency Public charging stations must be designed keeping efficiency in mind. The time to recharge an electric vehicle depends upon both the electric vehicle’s battery efficiency and the charging station’s capacity. Therefore, charging stations should have fast-charging options, which allows EV owners to recharge their cars as quickly as possible. 4. Regular Maintenance and Security Regular maintenance must be conducted to increase the durability, longevity, and functionality of the charging stations. Charging station components must be tested, replaced and updated frequently. Furthermore, the charging stations should also have security systems which prevent theft and unauthorized use. 5. Integration with Renewable Energy Sources Interconnecting public charging stations with renewable energy sources such as solar power leads to cost efficiency and sustainability and establishes some sources of income for the charging stations.

Advantages of Public Charging Stations

1. Increase in EV Sales The availability of public charging stations significantly impacts the sale of electric vehicles. Potential EV owners often question the availability of charging stations, and if they can't find accessible charging stations, they may not purchase an electric car. 2. Personal Savings Public charging stations can save users money on fuel costs. Although charging infrastructure installation rates may vary, most people can save a significant amount by using public charging stations. 3. Profitability Public charging stations that are maintained correctly can become a profitable business. By offering additional services such as a convenience store or car wash, EV charging stations could increase their profits.

Key Takeaways

Sustainability is essential to our future. As electric vehicles gain popularity, widespread availability of public charging stations will grow in demand. With the right strategies in place, maximizing public electric vehicle charging stations is a feasible and sustainable initiative. By ensuring strategic planning, implementing the right infrastructure, prioritizing efficiency, conducting regular maintenance and security, and integrating them with renewable energy sources, we can create a future with a better environment, support EV sales, save customers money, and even generate some profits.

The Electrifying Future of Public Transportation: Streamlining EV Charging for Mass Transit

Public transportation has been a staple in many urban areas around the world. With the rise of electric vehicles (EV), the future of public transportation is set to become more eco-friendly, efficient, and affordable. However, with the increased use of electric buses, trams, and trains, the issue of EV charging infrastructure becomes critical. In this article, we’ll take a look at the current state of EV charging for mass transit and explore some solutions that could streamline the process.

The State of EV Charging for Mass Transit

The transition from diesel-powered to electric-powered buses or trains is already underway in many parts of the world. For instance, the city of Shenzhen, China, currently has the largest electric bus fleet in the world – more than 16,000 EV buses. Similarly, the Netherlands aims to have its entire public transportation system electrified by 2025. However, the widespread adoption of EV in public transportation faces several challenges, and one of the significant challenges is EV charging.

Current charging infrastructure for electric cars cannot cater to the high power requirements of mass transit vehicles. Mass transit vehicles have a higher energy capacity and need faster charging to operate effectively. For example, an electric bus may require up to 500kW charging power, whereas an electric car may only need 50kW. Hence, a single EV station could only charge a few electric buses, whereas a fleet of buses would demand multiple charging stations, which is both costly and space-intensive.

Solutions to Streamline EV Charging for Mass Transit

A better approach to address the charging needs of mass transit vehicles is to use overhead or under-car transit chargers. These EV chargers would be installed over the track or beneath the vehicle, providing continuous charging without requiring the vehicle to stop or leave service. Furthermore, these chargers can operate at a higher power (up to 500kW), which is crucial for bus routes with high energy demands.

  • Overhead Charging: Overhead chargers use an overhead conductor to provide continuous charging to an electric vehicle. This type of charging is preferred for trolleybuses or trams that already have overhead conductors for power supply. The advantage of overhead charging is that the vehicle doesn't need to leave service for recharging, reducing operating costs and improving efficiency.
  • Under-car Charging: Under-car chargers are installed beneath the vehicle, and charging is done through a conductive or wireless charging pad. This type of charging is suitable for electric buses that do not have overhead conductors. Under-car charging eliminates the need for a dedicated charging station, as the charging pads can be installed at bus stops or terminals.

Key Takeaways

  • Adoption of EV in public transportation is set to rise and is already underway in several countries worldwide.
  • The major challenge facing mass transit EVs is the lack of fast charging infrastructure.
  • Overhead or under-car transit chargers can streamline the charging process for mass transit EVs.
  • Overhead charging is suitable for vehicles with overhead conductors, while under-car charging is better for vehicles without overhead conductors.
  • Streamlining mass transit EV charging will reduce operating costs and improve efficiency in urban transport systems.


In conclusion, the transition to electric-powered mass transit is underway, and with it comes the need for efficient and cost-effective charging infrastructure. Streamlining charging using overhead or under-car chargers will be critical for the widespread adoption of mass transit EVs. With these solutions in place, urban transportation becomes more eco-friendly, efficient, and accessible to all.

The Future of EV Public Charging Strategies for Maximal Efficiency

Are you ready for the future of public EV charging? EV adoption is on the rise, and with it comes a need for more public charging solutions. One of the biggest challenges for EV owners is finding a charging station, especially when you are on a road trip or in an unfamiliar area. To maximize efficiency, the future of EV public charging strategies must focus on three main areas: location, affordability, and speed.


Accessibility is key when it comes to EV charging stations. For maximum efficiency, charging stations need to be located where EV owners need them most. Charging stations should be located in popular destination areas such as shopping centers, office buildings, and parking garages. Cities should also consider installing charging stations in areas where it is not possible or practical for EV owners to install charging stations at their homes, such as apartments, duplexes, or condos.

  • Place chargers where EV owners actually need them
  • Install chargers in popular destination areas
  • Install chargers in areas where charging at home is not possible


One of the biggest barriers to EV adoption is the cost of charging. Public charging must be affordable for EV owners to use regularly. Ideally, charging stations should not only be affordable, but they should also be easily accessible through a mobile app or a payment card. In addition to pricing, cities and businesses should also consider partnering with local utilities to provide incentives for charging stations. Utilities can offer lower rates or rebates for EV owners who charge during off-peak hours, making it cheaper for them to charge their vehicles.

  • Ensure charging is affordable for regular use
  • Provide convenient payment options
  • Partner with utilities to offer incentives for EV owners


Time is precious, and EV owners don't want to spend hours waiting for their vehicles to charge. To maximize efficiency, public charging stations should be designed to charge vehicles quickly. The faster the charge time, the more likely EV owners will use public charging. One way to accomplish this is by installing DC fast charging stations which can provide up to 80% of a full charge in as little as 30 minutes. With the advent of ultra-fast charging technology, the expectation for quick and efficient charging will only rise.

  • Install DC fast charging stations for faster charging times
  • Utilize ultra-fast charging technology as it advances

Key Takeaways

EV adoption is on the rise and with it, the need for more public charging solutions. For maximal efficiency, EV public charging strategies must focus on location, affordability, and speed. Charging stations should be installed where EV owners need them most, be affordable and easily accessible, and be designed for faster charging times. By implementing these strategies, EV owners can enjoy the benefits of EVs like lower emissions, fewer maintenance costs, and a cleaner, greener future for us all.

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Energy5 EV Charging solutions comprise a full range of end-to-end turnkey services for businesses. From permitting to incentive acquisition to installation, management software, and down-the-road maintenance, Energy5 streamlines the whole process every step of the way.
300 W Somerdale Rd, Suite 5, Voorhees Township, NJ 08043
Email address
Phone number
(856) 412-4645
Energy5 EV Charging solutions comprise a full range of end-to-end turnkey services for businesses. From permitting to incentive acquisition to installation, management software, and down-the-road maintenance, Energy5 streamlines the whole process every step of the way.
300 W Somerdale Rd, Suite 5, Voorhees Township, NJ 08043
Email address
Phone number
(856) 412-4645