EV Smart Charging 101: Optimizing Energy Usage and Cost Savings

Abhishek Jain
July 24, 2023
5 min

As the world continues to shift towards sustainable transportation, electric vehicles (EVs) are becoming increasingly popular. The International Energy Agency predicts that by 2030, we could see up to 145 million EVs worldwide, a dramatic increase from the 10 million recorded in 2020. This shift is a significant stride for our planet, but it also presents a new challenge: our current power grid, designed for a steady and predictable demand for electricity, could be strained under the weight of charging millions of EVs, especially during peak hours.

But what if we could turn this challenge into an opportunity? What if we could use the rise of EVs not as a strain on our power grid, but as a tool to optimize it? This is where the concept of smart charging comes into play, and it's set to revolutionize the way we think about EV charging.

The Power of Smart Charging

Smart charging is an innovative solution that allows EVs to be charged when demand for electricity is lower, or when there is an abundance of renewable energy on the grid. It's a win-win situation: EV drivers can save on their energy bills, and the grid can avoid unwanted periods of high demand.

But smart charging is more than just a convenient solution for EV drivers and grid operators. It's a key piece of the puzzle in our transition to a more sustainable and resilient energy system. By optimizing the charging of EVs, we can make better use of renewable energy, reduce our reliance on fossil fuels, and reduce greenhouse gas emissions.

Understanding Smart Charging
So, what exactly is smart charging? At its core, smart charging is a system that intelligently manages the charging of an EV. It takes into account various factors such as the state of the grid, energy prices, and the needs of the EV owner.

Smart charging systems use advanced algorithms and real-time energy data to determine the best times to charge your EV. They can adjust the charging rate or schedule charging sessions to times when electricity is cheaper or when the grid is less congested. This not only saves you money but also helps to balance the grid and reduce the need for expensive and polluting peaking power plants.

Telematica API: Powering Smart Charging

At the heart of smart charging is the ability to communicate with EVs and chargers. This is where Telematica API comes in. Telematica API connects to EVs and chargers across multiple brands, enabling efficient management of EV charging.

Telematica API can start and stop charging based on various factors such as grid demand, electricity prices, and the state of charge (SOC) of the EV. It also provides live data on SOC, range, and charging status. This real-time data allows EV owners, utilities, and energy management providers to make informed decisions about when and how to charge their EVs.

Case Study: True Energy

True Energy, a Telematica customer based in Europe, provides a perfect example of smart charging in action. True Energy's app (with more than 50k+ installs) allows users to schedule charging times based on when electricity is cheapest and greenest. The app communicates with the EV via Telematica API, providing users with real-time data on their vehicle's charging status and helping them optimize their charging schedule.

True Energy's success story is a testament to the power of smart charging. By leveraging Telematica API, they have been able to create a user-friendly app that not only helps EV owners save money but also contributes to a more sustainable and resilient energy system.

True Energy smart charging mobile app

Benefits of Smart Charging for Various Stakeholders

Smart charging offers a multitude of benefits for various stakeholders.

For EV owner: it can lead to significant cost savings. Depending on mileage and tariff, EV owners can save between $200 to $1000 annually by charging their vehicles during off-peak hours when electricity prices are lower. It also provides them with the convenience of being able to manage their charging schedule remotely, using a smartphone app or other device.

For utilities and grid operators: smart charging provides a valuable tool for managing demand and ensuring the stability of the grid. By shifting EV charging to off-peak hours, it can help to smooth out demand curves and reduce the need for expensive and polluting peaking power plants.

The Importance of Consumer Education


While the benefits of smart charging are clear, its widespread adoption will depend on the extent to which consumers understand and embrace this technology. This underscores the importance of consumer education in promoting the adoption of smart charging.

Educational campaigns, user-friendly apps, and clear communication can help to demystify smart charging and make it more accessible to the average EV owner. By providing consumers with the information and tools they need to take advantage of smart charging, we can accelerate its adoption and maximize its benefits for all stakeholders.

The Future of Smart Charging

The future of smart charging is promising and will be shaped by key advancements. One of these is the development of vehicle-to-grid (V2G) technology, which allows EVs to return power back into the grid during times of high demand. This could transform EVs into active participants in the energy system, providing valuable flexibility and helping to balance supply and demand. Another trend is the increasing integration of smart charging with other smart home technologies, allowing consumers to manage their EV charging alongside their other energy usage seamlessly.

As the adoption of EVs continues to grow, smart charging will play a crucial role in ensuring the stability of our power grid. With solutions like Telematica API, we can harness the power of smart charging to manage EV charging efficiently, optimize energy consumption, and unlock new revenue opportunities. The future of EV charging is smart, and with Telematica, that future is here.

Abhishek Jain
CEO and co-founder
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