en.Wedoany.com Reported - MAN Truck & Bus recently showcased bidirectional charging technology for electric trucks for the first time at the Schmid logistics company site in Obertaubling, near Regensburg, Germany. The technology stems from the "Spirit-E" research project, aiming to utilize electric trucks as flexible power storage units, making them a key component of cross-sector energy solutions. "Our electric trucks essentially become charging banks on wheels, helping to reduce energy costs while strengthening the energy system," said Georg Grüneißl, head of product strategy at MAN Truck & Bus.
In practical applications, the technology covers three scenarios. In Vehicle-to-Station (V2S) and Vehicle-to-Vehicle (V2V) setups, companies can directly use the electricity stored in truck batteries to avoid peak loads, increase self-consumption of photovoltaic energy, or support building facilities. MAN states this can save users approximately 10% to 20% on electricity costs. For an annual mileage of 100,000 kilometers, this effectively equates to "free" travel of up to 20,000 kilometers. The third scenario, Vehicle-to-Grid (V2G), feeds electricity back into the public grid, allowing operators to generate additional income in the future. Bidirectional charging of electric trucks offers flexibility and cost savings for the energy system.
The "Spirit-E" project is supported by a consortium including the Technical University of Munich (TUM), Fraunhofer Institute for Energy Economics and Energy System Technology (Fraunhofer IEE), the Research Center for Energy Economics (FfE), SBRS (Shell), TenneT, Hubject, Consolinno Energy, and MAN Truck & Bus, covering the entire value chain from vehicle technology and energy economics to system integration. This demonstration marks a significant step for bidirectional charging of electric trucks, moving from concept to practical application.
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