Case Study: POWEROAD Accelerating EV Charging Infrastructure in Sweden

• Background:

In response to new regulatory requirements in Sweden, EV charging stations are now mandated to integrate energy storage systems (ESS) to reduce grid strain and optimize energy usage. As a result, a local charging equipment supplier urgently needed a reliable ESS solution to meet these policy changes and ensure the seamless operation of their charging stations.

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• Challenge:

The client’s primary challenge was to quickly deploy an energy storage system capable of managing the high power demands associated with EV charging, especially during peak hours. The integration of ESS was essential not only for regulatory compliance but also to support grid stability by performing peak shaving and demand management. The urgency of the project required a solution that could be rapidly installed and commissioned with minimal disruption.

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• Solution:

To address this critical need, POWEROAD delivered a 500 kW / 504 kWh containerized energy storage system. This self-contained turnkey solution is designed to integrate directly with the client’s EV charging infrastructure, enabling coordinated control of peak shaving and demand management. POWEROAD?containerized ESS can efficiently store energy during off-peak hours and discharge it during peak periods, significantly reducing grid pressure and minimizing energy costs.

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• Key Features:

? Plug-and-Play Installation: POWEROAD?containerized ESS is a fully integrated system that requires minimal on-site installation and commissioning. This plug-and-play solution allows the client to meet regulatory requirements and start operations without delay quickly.

? Peak Shaving and Demand Management: The ESS helps to smooth out energy usage by storing surplus energy during off-peak times and supplying it during peak demand. This reduces the load on the grid, lowers energy costs, and ensures a reliable power supply for the EV charging stations.

? Grid Support and Cost Savings: By alleviating the pressure on the local grid, POWEROAD?ESS minimizes the need for expensive grid upgrades and helps the client comply with local regulations. This not only reduces construction costs but also provides a scalable solution for future expansion.

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• Highlights:

1. POWEROAD’s ESS?maintains stable operation even in extreme outdoor temperatures as low as -30℃, ensuring continuous energy supply under harsh weather conditions.

2. By integrating a Power Conversion System (PCS), the solution provides multiple services to the local power system, including peak shaving, frequency regulation, and demand management, optimizing energy use and enhancing efficiency.

3. The system was pre-tested and pre-assembled at the factory, reducing the on-site workload and significantly shortening the project timeline for fast delivery and deployment.

4. The equipment operates quietly and stably, with no interference or pollution to the surrounding environment.

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• Project Value:

This project delivers a stable and reliable clean energy supply to the Nordic region, supporting the transition toward a 100% renewable energy grid and Sweden’s goal of a fossil-free energy system. Additionally, the introduction of POWEROAD’s ESS enhances local grid flexibility, effectively managing the intermittency of renewable energy and improving grid stability and reliability. The steady clean energy supply also improves the quality of life for local residents by reducing dependency on traditional fossil fuels.

The deployment of POWEROAD’s containerized ESS has enabled the client to comply with Sweden’s new policy requirements and continue their operations without interruption. The system ensures that EV charging stations can operate reliably even during peak demand periods. Moreover, the turnkey nature of the solution has significantly reduced installation time and costs, providing immediate benefits to the client.

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This project demonstrates the vital role of energy storage systems in supporting the rapid expansion of EV charging infrastructure. As Sweden continues to lead in the transition to sustainable energy, POWEROAD is proud to support this journey with innovative solutions that empower businesses to adapt and thrive in a dynamic energy landscape.

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