RMI Publishes Report with EVgo on Utility Rate Structures to Support
Growth of EV Fast Charging
Los Angeles and Boulder, Colo., April 11, 2017 – EVgo, the nation’s largest public electric vehicle (EV)
fast-charging network, and Rocky Mountain Institute (RMI) have released a report regarding the future
of EV fast-charging utility rates. The report, titled EVgo Fleet and Tariff Analysis, found that public fast-charging
infrastructure is critical to EV deployment; however, California’s state legislators and regulators
must make future adjustments to allow for more cost-effective fast-charging services. More cost-effective
utility rates ultimately will help support the state’s efforts to move toward an electrified
consumer vehicle fleet and simultaneously cut emissions.
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RMI’s study found that, under certain electricity tariffs, current demand charges can make up as much
as 90 percent of the monthly bill of operational public DC fast chargers, driving the cost of delivered
electricity as high as $1.96 per kilowatt-hour (kWh) during summer months in some locations. These
charges are nearly seven times as high as the current gasoline equivalent cost of $0.29/kWh, meaning it
is difficult for DC Fast charging providers like EVgo to remain competitive with the costs of operating
petroleum-fueled vehicles.
