Alternative Fuels Data Center: Charging Electric Vehicles at Home

Charging Electric Vehicles at Home

Most drivers of electric vehicles ( EVs ) —which include all-electric vehicles and circuit board hybrid electric vehicles ( PHEVs ) —charge their vehicles overnight at family using AC Level 1 or AC Level 2 charging equipment. residential equipment is frequently installed in garages, but outdoor initiation and use are besides safe, even if the vehicle is being charged in the rain. Outdoor installations require outdoor-rated equipment. Charging at a multifamily housing requires extra considerations and may be more like public charging than charging at a single-family home .

Installing Charging Equipment in Your Home

Photo of a vehicle's charging receptacle.
many EV owners are able to meet their daily force image requirements by charging overnight with Level 1 equipment, requiring no extra cost or facility, provided that a office release on a dedicate branch circuit is available near their parking localization. Level 2 charging equipment can be installed for drivers with less regular schedules, longer commutes, or EVs with bombastic batteries that require more than overnight ( or the typical dwell time ) to in full charge. State and utility incentives may be available to help offset the price of charging equipment .
Most level 2 products have standard condom features and condition lights. More advanced, “ ache ” Level 2 products have features such as data collection, user interface systems, enhanced displays, charging timers, communications capabilities, and keypads. Purchasing safety-certified equipment is recommended, such as the products certified under the ENERGY STAR label, which are tested by a nationally recognized testing testing ground, along with having a attest electrical contractor .
Electricians can inform homeowners whether their home has adequate electrical capacitance for vehicle charge. Some homes might have insufficient electric capacity for Level 2 equipment. however, a qualified electrician can add circuits to accommodate the capability needed for Level 2 charging.

The City of San Jose, California, was one of the first to issue requirements for installing fomite charging systems in single-family homes and duplexes, and explains the let process and placement design for a home charging unit. In recent years, early cities have followed suit, such as Seattle ’ s tip off sheets for both residential and commercial EV charging installations .

Complying with Regulations

Charging equipment installations must comply with local, express, and national codes and regulations. Appropriate permits may be required from the local anesthetic build and permitting authorities.

You can learn about related codes and standards on the Codes and Standards Resources page. EV charging infrastructure is considered a continuous load by the National Electrical Code ( NEC ). Your electric contractor should understand and use the allow NEC for a safe and code-compliant installation. NEC Article 625 contains most of the data applicable to charging equipment. If potential, consult fomite manufacturer guidance for information about the needed charge equipment and learn the specifications before purchasing equipment or electrical services .
In many areas, a site facility plan must be submitted to the permitting authority for approval before facility.

Electricity Costs for Charging

The fuel efficiency of an EV may be measured in kilowatt-hours ( kWh ) per 100 miles. To calculate the cost per mile of an EV, the monetary value of electricity ( in dollars per kWh ) and the efficiency of the fomite ( how much electricity is used to travel 100 miles ) must be known. If electricity costs ¢10.7 per kWh and the vehicle consumes 27 kWh to travel 100 miles, the cost per sea mile is about $ 0.03 .
If electricity costs ¢10.7 per kilowatt-hour, charging an electron volt with a 200-mile compass ( assuming a in full depleted 54 kWh battery ) will cost about $ 6 to reach a full charge. To compare the fuel costs of individual models of conventional and electric vehicles, see the Vehicle Cost Calculator .
For EV charge, the constancy and planning benefits of family electricity rates offer an attractive alternative compared to traditional types of transportation system. Learn more from the report : Comparing Energy Costs per Mile for Electric and Gasoline-Fueled Vehicles .

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