EV Charging Evolves: Bidirectional Wallboxes and Growing Infrastructure Concerns
The world of electric vehicle (EV) charging is evolving rapidly, with advancements in wallbox design and business models. The September 2025 issue of pv magazine delves into these trends, including the emergence of bidirectional AC charging and the growing concern of setting up charging infrastructure for future needs.
Key aspects in modern wallbox design are controllability and flexibility. These allow wallboxes to use excess energy from photovoltaic systems, stored power from batteries, or grid power based on dynamic tariffs. Some manufacturers are even targeting installers without programming knowledge, making do-it-yourself energy management systems more accessible.
The ISO 15118-20 communication standard for bidirectional charging is set to become mandatory, further enhancing wallbox capabilities. These devices are becoming central components in intelligently networked homes, deciding when and from which source to charge EVs.
Logistics companies are investing in their own charging infrastructure due to the limited expansion of public charging points. This is a growing concern as the setup of charging infrastructure must meet future technical and economic requirements.
The latest pv magazine Wallbox and charging station market overview showcases 204 products from 42 companies, with 60 new ones. Notable companies include eCharge Hardy Barth GmbH, EcoFlow, Ecotap (Legrand), and SMA Solar Technology AG, presenting products like the cPH2 Wallbox, EcoFlow PowerPulse, Homebox, and SMA EV Charger 7.4, featuring AC charging capabilities and smart energy management functions.
As first bidirectional AC business models emerge and regulations progress for both AC and DC charging, wallboxes are poised to play a pivotal role in the future of EV charging. With advancements in technology and a growing demand for infrastructure, the EV charging landscape is set to become more intelligent, flexible, and efficient.
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