Charging service fees are fees paid by electric vehicle (EV) users to charge point operators (CPOs) in addition to the base electricity tariff when using public charging facilities. In simple terms, electricity charges cover the cost of the power consumed, while service fees account for station equipment maintenance, site rental, and labour and operational costs. Service fees serve as the primary source of revenue for charging operators to recover capital investments and sustain day-to-day operations.
Charging service fees adopt a market-regulated pricing mechanism, where charging facility operators independently set rates based on market supply and demand, venue rental costs, equipment maintenance expenses, and other factors. Effective 1 January 2020, China's National Development and Reform Commission (NDRC) officially transitioned EV charging and battery-swapping service fees from government-guided rates to market-regulated pricing. However, certain cities (such as Haikou) still maintain a price cap on service fees, and some local regulations require operators to determine rates based on the principles of "cost recovery, reasonable profit, and fair dealing".
Service fee rates vary significantly across different locations and charging scenarios. At standard urban charging stations, service fees typically range from RMB 0.15 to RMB 0.50 per kWh; at highway rest and service areas (RSA), service fees generally sit between RMB 0.80 and RMB 0.90 per kWh or even higher, driven by remote locations and high installation and maintenance costs. Consequently, during off-peak electricity hours, service fees may even exceed the actual electricity tariff itself. In commercial hubs and prime hotspots, service fees are similarly elevated due to premium rental costs and high traffic volume.
According to industry data, a service fee of RMB 0.30 to RMB 0.40 per kWh is widely regarded as a reasonable profit margin for operators, whereas rates falling below RMB 0.25 per kWh often push certain charging stations into operating at a loss.
Total EV charging costs comprise two separate components: the electricity tariff and the service fee, both of which must be clearly itemised and billed separately. Electricity tariffs follow regulated utility rates with peak-and-off-peak time-of-use pricing, whereas service fees are independently priced by operators, distinguishing their nature. Charging facility operators are required to clearly display all pricing transparently across charging bays, mobile apps, and mini-programs, and are strictly prohibited from imposing any unlisted charges.
Unlike standard charging service fees, idle fees (overstay fees) are penalties incurred when an EV remains parked in a charging bay after completing its charging session, aimed at improving bay turnover efficiency. Fee structures vary across networks: Tesla idle fees stand at RMB 3.20 per minute under normal conditions and reach RMB 6.40 per minute (RMB 384 per hour) during peak periods; select NIO stations charge RMB 0.50 per minute after a 15-minute grace period, capped at RMB 50. Operators emphasise that this policy is not intended for profit, but rather to deter bay hogging and ensure fair access for other EV drivers.
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