First, we want to clarify that it is fine to charge your EV at any voltage level, namely: Contact online >>
First, we want to clarify that it is fine to charge your EV at any voltage level, namely:
Implemented by CSE for the California EnergyCommission
EV chargers are classified into three categories: Level 1, Level 2 and direct current (DC) fast chargers.
Important differences include:
Numerous manufacturers produce EV chargers, with a variety of products, price points, applications and functionality. Because of these differences, it is important to choose an EV charger that fits your intended use and budget.
Depending on the EV, DC fast chargers can currently produce a 10-80% charge for a 300-mile range battery in approximately 20 minutes (~540 miles of electric drive per hour of charging).
Currently available DC fast chargers require inputs of at least 480 volts and 100 amps, but newer chargers are capable of up to 1000 volt and 500 amps (up to 360 kW).
A CALeVIP Cost Data analysis found that the unit cost per charger for rebate recipients ranged from a minimum of $18,000 to a maximum of $72,500. The mean and median unit cost per charger was $29,135 and $23,000, respectively.
In addition to higher equipment costs, DC fast charger installations require a commercial electrician from the initial planning phase due to the electrical load and wiring requirements.
DC fast chargers are the highest-powered EV chargers on the market. They often are used as range extenders along major travel corridors for long-distance trips and in urban environments to support drivers without home charging or very high mileage drivers. At current charging speeds, they are ideal for places where a person would spend 30 minutes to an hour, such as restaurants, recreational areas and shopping centers.
It is important to note that not every EV model is capable of DC fast charging, and therefore, they cannot be used by every EV driver. Further, DC fast chargers have multiple standards for connectors, whereas there is only one common standard for Level 1 and 2 charging (SAE J1772). DC fast chargers have three types of connectors: CHAdeMO, CCS and Tesla, though CCS is increasingly becoming the industry standard.
A Level 2 charger can currently produce a full charge for a 300-mile range battery in about 6-8 hours and is perfect for destination and overnight charging.
Level 2 chargers typically require 220V or 240V service.
Level 2 chargers are available with a variety of power outputs from 3 kW to 19 kW, which can sometimes be adjusted.
CALeVIP Cost Data show that rebate recipients reported average L2 equipment costs ranging from $685 to $6,626 per connector. The mean and median were $2,976 and $2,884 per connector, respectively.
Level 2 chargers are typical solutions for residential and commercial/workplace settings. Most offer higher power output than Level 1 chargers and have additional functionality.
In general, Level 2 chargers are distinguished between non-networked chargers and networked chargers.
Networked chargers have advanced capabilities, such as charge scheduling, load management and demand response. They are more common in commercial/workplace settings where payments are required or at multiunit dwellings (MUDs) where the property''s electricity bill is shared by multiple residents.
Some models of networked chargers also can limit charging to certain hours, which allows the operator to maximize a time-of-use (TOU) electricity rate structure and only allow charging when electricity is the cheapest (usually sometime between 9 p.m. and 6 a.m.). This type of control also increases the likelihood of participating in utility demand response programs.
Some of the enhanced features of a networked Level 2 charger include remote access/control via Wi-Fi or cellular connection, access control/ability to accept multiple forms of payment, load balancing across multiple chargers and more. Additionally, California will soon begin allowing the use of submeters already embedded within networked chargers to bill electricity use. For more information on submetering, visit the California Public Utilities Commission (CPUC) website.
Non-networked Level 2 chargers are used both in single-family residences and MUDs. They may be designed for indoor or outdoor use (e.g., NEMA 3R, NEMA 6P, NEMA 4x rated). Non-networked Level 2 chargers are useful for installations at MUDs or commercial sites that are powered by the residents'' or tenants'' subpanels.
In this case, any electricity used by the chargers will be charged to the individual''s electricity bill, thus eliminating the need to separately meter the chargers. Further, when electrical capacity is available, non-networked Level 2 chargers are useful for site hosts that need higher power than Level 1 charging but do not have a large budget.
A Level 1 charger is estimated to deliver 3.5 to 6.5 miles of range per hour of charging. This type of charging takes the longest and is used primarily as an additional, emergency or backup charging solution and for people who can use the charger overnight. Level 1 chargers are not eligible for CALeVIP rebates.
Level 1 charging uses a standard 110V or 120V outlet, enabling EV drivers to use them almost anywhere.
Level 1 charging power output varies is typically between 1-2 kW of continuous power – approximately the same amount of power as your microwave!
Most EVs come with a manufacturer-branded Level 1 cord set. There are a few third-party manufacturers of Level 1 chargers, most of which are designed for residential use and cost an average of $596 to $813 per charger, according to the International Council on Clean Transportation.
Level 1 charging can be a viable solution in multiunit dwellings (MUDs), like apartment complexes or condominiums, and some workplaces. In MUD settings, most Level 1 charging is conducted from existing 110V or 120V outlets in the parking lot or personal garages/carports of residents. When new charging installations are planned, a higher output 220V or 240V circuit is often more cost-effective as it offers greater charging capacity for an equivalent installed price.
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