On Tuesday, May 12, 2026, the signing of a project development agreement between KlarVolt and the NW Group confirmed the future deployment of 500 JBox® units in Germany by 2029.
Germany, a country of 80 millions inhabitants and Europe’s largest economy, is the continent’s biggest energy market. Over the past ten years, having rapidly developed renewable energy sources to reduce its dependence on fossil fuels, the country now has significant flexibility needs.
The NW Group develops JBox® units, electricity storage units that, connected to the distribution network, contribute to security of electricity supply and stabilise the grid during fluctuations in consumption and production that can be caused by renewable energy sources. Compact and plug-and-play storage units, the JBox® units do not artificialise the land and blend seamlessly into the landscape. The location of JBox® units is determined according to the services provided to the electricity network.
Today, nearly one thousand JBox® units are already in service in France and Finland. The NW Group’s industrialised development process enables it to adapt to new markets while following the guidelines set by network operators and managers and adapting to their constraints and needs.
The NW Group represents a generation of companies capable of inventing models that reconcile cutting-edge technology with collective utility.
Jean-Christophe Kerdelhué, Chairman and Chief Executive Officer of the NW Group, states : “NW is an innovative player in the energy sector. With its installations spread across all regions, the JBox® is a unique innovation that promotes the electrification of uses and the energy transition accessible to all.”
Alexander Babioch, Managing Director of KlarVolt states: “We are thrilled to partner with NW Group and bring their innovative storage concept to Germany. Combining their unique technology with KlarVolt’s deep expertise in project development and grid knowledge is a perfect match. Together, we will deploy essential storage infrastructure exactly where the network needs it most.”
