Frequently Asked Questions

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I'm interested in purchasing an electric vehicle, what do I need to know to be plug-in ready?

EV driverHere are factors to consider:

Driving pattern
Evaluate your driving pattern to determine the battery range you need. This will help you decide which car is right for you.

Compare car models and calculate savings
Take the first step toward understanding your vehicle savings potential. Calculate your savings

Charging options
Contact the auto manufacturer or dealer to explore available charging options. Some dealers offer home assessment packages as part of the electric vehicle purchase price. Electric vehicles can charge on a standard 120-volt household outlet (level 1 charging). However, for faster charging, a 240-volt connection (level 2 charging) might be needed.

Charging equipment installation
Please contact a licensed electrical contractor to install the charging station and ensure compliance with federal, state and local codes.

Rocky Mountain Power can only perform work outside the home at your meter/electrical panel location to enable utility service to the house. If your electrical contractor requires an upgrade to your home's electric service, please call us toll free at 1-888-221-7070.

What rate will I pay to charge my electric vehicle?

In Utah, EV owners have choices for time-of-use rates. Under these new rates, if you charge your car and use other electrical equipment during off-peak hours, you may save money on your bill.  

Idaho customers can enroll in the standard Time of Day program.

How much does it cost to charge a plug-in electric vehicle?

Costs vary depending on the vehicle and electricity rates. On average, it costs about $1 each time to charge a plug-in hybrid and $2-4 for a battery electric vehicle.

Does Rocky Mountain Power provide rebates or incentives for purchasing/owning an electric vehicle?

Rocky Mountain Power offers incentives for EV charging stations for non-residential and multifamily customers in Utah.

The federal government offers tax credits of up to $7,500 for the purchase of all-electric or plug-in hybrid electric vehicles.

Also, the state of Utah provides tax credits and loan programs to encourage this green technology. Drivers of electric vehicles are also allowed to use interstate HOV lanes with single occupancy.

Can I sell back electricity from my electric vehicle battery through vehicle-to-grid technology?

Vehicle-to-grid technology is currently not available. Researchers and automakers are currently evaluating the feasibility of wide-scale implementation of this technology. Vehicle-to-grid technology would enable electric vehicle owners to utilize the stored energy in the battery to contribute electricity back to the grid when the car is not in use.

Can I charge my vehicle with green power?

Rocky Mountain Power is increasingly using renewable power to serve all its customers.

To further reduce your carbon footprint, you have choice to purchase renewable energy through our Blue SkySM program.

You may also be interested in generating your own power through solar panels or other technologies.

What is Rocky Mountain Power doing to help advance electric vehicles?

To reduce emissions and advance electric transportation, we've added several plug-in hybrid electric bucket trucks and sedans to our fleet.

Together with community partners, we received a $4 million cost-share award from the Department of Energy to develop 1,500 miles of electric corridors along Utah, Idaho and Wyoming highways.

We're also paving the way for more electric vehicles in Utah by providing charging station incentives, Time of Use rates, grant-based project funding and more.  

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