Sono Group N. V. historically operated legacy solar operations through its subsidiary, focusing on integrating solar technology into commercial vehicles to reduce fuel costs and emissions. The company positions itself as a pioneer in solar-powered mobility, envisioning a world less reliant on fossil fuels. After discontinuing its Sion passenger car program due to funding constraints, it pivoted to retrofit solar solutions for commercial vehicles, initially focusing on a Solar Bus Kit and later expanding to trucks, vans, RVs, refrigerated trailers, coach buses and panel vans. The firm also developed high-voltage solar solutions using its proprietary solar charge controller to serve vehicles with larger energy demands.

The company derives revenue from the sale of solar integration solutions, which include complete solar kits comprising solar panels, solar charge controllers (MCUs), telematics and dashboard services, and electrical interfaces for seamless vehicle integration. It also sells solar charge controllers as standalone products for fleet OEMs and offers solar modules separately for customers seeking individual components. Additionally, revenue is generated from data services such as telematics and dashboard integration, electrical interface creation and validation, and custom engineering services that support OEM adoption of solar technology. These streams are sold to commercial vehicle operators, fleet managers, and original equipment manufacturers.

Sono Group N. V. occupies a niche position in the vehicle-integrated solar market, where few competitors focus on integrating solar directly into vehicle architectures. Its competitive advantages stem from high-efficiency solar conversion enabled by its in-house developed solar charge controller and advanced cell technology, which maximizes energy yield relative to installed power. The firm’s product portfolio spans both high-voltage and low-voltage applications, allowing it to serve a broader range of commercial vehicles than competitors limited to one voltage class. Its modular, standardized design simplifies regulatory approval and installation, facilitating workshop or factory deployment. Furthermore, the company’s strategic emphasis on OEM collaborations enables factory‑installed solar options, enhancing scalability and long‑term market penetration. Key competitors include KRSolar B. V., Im Efficiency B. V., Green Energy Solutions, OPES, TRAILAR, SolarEdge E-Mobility, and Victron Energy B. V.

The company serves fleet operators, municipal transportation authorities, and original equipment manufacturers seeking to reduce fuel consumption and emissions. Notable customers cited in its filing include VBR Verkehrsbetriebe und Servicegesellschaft mbH, Scania CV AB, Koegel Trailer GmbH, Jean CHEREAU S. A. S, Hofbus GmbH, and Stadtwerke Muenchen GmbH. These clients span public transit bus operators, commercial truck manufacturers, trailer builders, and other transport‑related firms that adopt solar kits to lower operating costs and meet sustainability targets.