EVgo has previewed a next-generation DC fast-charging system capable of supplying up to 750kW, positioning the US charging-network operator for electric vehicles with increasingly high charging-rate capabilities. The company expects to unveil the final charger design in 2027 and begin deployment of the new architecture that year.
Designed in California with Delta Electronics
Development, engineering and testing of the charging system are taking place at EVgo’s Innovation Lab in El Segundo, California. Delta Electronics, a longstanding EVgo partner, is supporting the co-development effort.
EVgo said the project makes it one of the few American charging-network operators developing its own charger architecture. The company operates more than 1,200 fast-charging locations across 47 states, with sites serving retail, grocery, rideshare and autonomous-vehicle partners.
According to Badar Khan, EVgo’s chief executive, charging rates recorded on the company’s network have risen by nearly 20% over the past two years. He said EVgo expects that trend to continue as more EVs arrive with higher-capacity battery packs and faster DC charging capability.
“EVgo has served EV drivers for over 15 years, and our investment in our 750kW next-generation architecture future-proofs our network for current and future vehicles,” Khan said. He added that the system is intended to address growing demand for high-power charging while improving the customer experience.
Dynamic power sharing across charging stalls
A central element of the proposed system is dynamic power sharing. Rather than requiring drivers to select a particular charger based on a fixed power rating, EVgo plans for the system to adjust power distribution between dispensers in real time according to the needs of connected vehicles.
The approach is designed to ensure that each vehicle receives the output it can use during a session, even as charging demand varies between different EV models. EVgo said this should remove the need for drivers to locate a specific high-power stall, because every dispenser would be able to access available power as required.
The company also argues that flexible energy allocation can support grid stability by directing power where it is most needed and helping smooth spikes in demand. The eventual real-world benefit will depend on how the equipment is deployed, local grid capacity, the number of vehicles charging simultaneously and the charging limits of individual EVs.
EVgo said its charging-system design draws on data from 1.8 million customer accounts and more than 10 million charging sessions annually. Planned usability features include improved cable maneuverability, a touchless payment interface, and new hardware and firmware intended to improve reliability and simplify the charging process.
NACS support broadens EVgo’s target market
Each station using the new architecture will include NACS connectors, according to EVgo. The company said this forms part of its strategy to double its addressable market by making its network accessible to a larger number of NACS-equipped EV drivers.
The move reflects the growing importance of North American Charging Standard compatibility in the US market, particularly as more vehicle manufacturers adopt the connector. EVgo did not provide further details on the mix of connectors, the number of dispensers per location or the initial deployment sites.
EVgo expects the system to charge the fastest-charging EVs sold in the US in around 10 minutes. However, the company noted that actual charging times will vary according to a vehicle’s charging capability and settings, battery condition, ambient temperature and starting state of charge.
The 750kW figure represents the charger’s maximum capability rather than a charging rate that every electric vehicle can accept. Most current EVs have lower peak DC charging limits, while charging power also typically declines as a battery approaches a higher state of charge. EVgo’s planned 2027 launch will therefore be a test of how quickly vehicle battery technology and customer demand develop alongside ultra-high-power public charging infrastructure.
