As of 2026, UK-certified V2G chargers are predominantly CHAdeMO, while most European cars use the CCS standard, creating a fragmented landscape that is delaying mass deployment, according to EV Infrastructure News.
Per EV Infrastructure News, the V2G chargers certified in the UK are CHAdeMO—a standard pioneered by Japanese automakers, most notably Nissan.
According to Transport & Environment (T&E), their analysis, published in March 2026, frames this as “the new war of the currents,” drawing a parallel to the 19th-century battle between AC and DC electricity.