CANADA - ENABLE kWh-BILLING FOR EV CHARGING



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Let’s enable fair billing for public EV charging now! Send a message to government officials and encourage them to enable kWh-billing as soon as possible.





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WHAT YOU NEED TO KNOW:


Public EV charging operators currently bill EV drivers on a time-basis (per-minute or per-hour). This is because Measurement Canada has yet to develop metering standards that allow EV charging to be priced on the amount of energy received (kW per hour). The existing rules were not designed with EV charging in mind, and the practice of time-based billing for EV charging is unfair for both drivers and charging providers. 


The current rules would require the utilization of a pre-approved and inspected utility-grade electricity meter, which would increase the costs of charging infrastructure, and therefore the cost to charge an EV. 


While EV charging and pumping gas are entirely different experiences, the equivalent would be like paying for gas based on how long a customer is using the pump -- regardless of the amount of gasoline transferred to their vehicle. Similarly, it would be like paying for groceries based on the amount of time spent in the supermarket, rather than the products in your cart. 


As you may know, EVs charge at different speeds for a variety of reasons:


Different cars charge at different rates on the same charging station

  • Different vehicle models are equipped with different onboard chargers and have different charging capabilities. 


  • DC-fast charging speeds also depend on the vehicle’s capabilities and other factors.


Identical cars on different charging stations may charge at different rates

  • Two stations with identical per-minute billing but different power ratings will result in the same bill, for a different amount of energy delivered. 


Two identical cars, on two identical charging stations may charge at different rates

  • DC charging speeds depend on a battery’s state of charge, battery temperature and ambient temperature.



  • Some charging technologies use power management technology to reduce the flow of power to a vehicle in order to optimize for efficient use of the utility service connection. While this can be useful for charging operators, drivers often have no knowledge of power limiting or power-sharing capabilities. Such technologies are likely to become more commonplace, which is why per kWh billing is more appropriate. 



Measurement Canada’s role is to protect consumers by ensuring that they pay for what they’re getting. However, the practice of time-based billing, which EV charging operators have had to adopt, does just the opposite. It lacks transparency, it undermines the principles of consumer protection, and it is unfair for EV drivers like you. The fairest and most transparent way to bill EV charging is based on the amount of energy received, measured in dollars per kilowatt hour ($/kWh). 


The agency has expressed its intention to develop new metering rules for EV charging technologies, but the process is expected to take several years. In the meantime, it is important EV drivers are not disadvantaged under the current rules. Measurement Canada should waive those outdated rules temporarily to allow EV charging operators to bill drivers per-kWh. The agency should also be sure to hold providers of charging services accountable by enabling a complaint system allowing consumers to report billing inaccuracy.


While Measurement Canada is working on new rules for EV charging, join us in asking the agency to take these steps allowing kWh-billing as early as possible: 


  • Temporarily pause the current requirements for EV charging equipment to be registered and certified as electric (utility) meters, so that charging operators can bill their customers on a per-kWh basis.


  • Set a clear timeline to consult EV charging manufacturers, EV drivers, and other key stakeholders and develop measurement specifications for EV charging stations. As a consumer protection agency, engaging with EV drivers should be a top priority. 


  • Exempt residential and workplace stations from metering specifications and give multi-unit building owners flexibility in how to set up billing for home charging in larger buildings.



Enabling kWh-billing for EV charging will provide more transparent pricing and ensure that EV drivers are not penalized for slower charging sessions. 


Tesla’s mission is to accelerate the world’s transition to sustainable energy, and with your help, we can ensure all EV drivers feel confident that they’re getting billed for the electricity they’re really using.