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The Future is Electric: The Rise of Electric Vehicle Chargers

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Ishika cmi
The Future is Electric: The Rise of Electric Vehicle Chargers

The automotive industry is steadily transitioning towards electric vehicles (EVs) as concerns over pollution and climate change continue to rise globally. With more automakers committing to electrifying their lineups, the electric vehicle is projected to grow exponentially in the coming years. However, one critical piece of infrastructure needs to catch up for widespread EV adoption - electric vehicle chargers.


Types of EV Chargers

There are primarily three types of electric vehicle chargers differentiated by power output and charging speed - Level 1, Level 2 and DC Fast Chargers.

Level 1 Chargers: Level 1 chargers are the slowest delivering power at 1.4-1.9 kW using a standard 120V outlet. A Level 1 charger can add around 4-5 miles of range per hour of charging for most EVs. They are mostly used for residential overnight charging.

Level 2 Chargers: Level 2 chargers provide higher powered charging at 208-240V and deliver power between 7-19 kW. Using a Level 2 charger, drivers can add 20-50 miles of range per hour depending on the EV model. Most public charging stations as well as home charger installations support Level 2 charging.

DC Fast Chargers: The quickest of the three, DC Fast Chargers transfer DC power directly into the high voltage battery pack and can charge an EV up to 80% within 30 minutes. DC fast chargers have a minimum power output of 50 kW but newer chargers can go up to 350 kW - adding hundreds of miles of range in under an hour. They are critical for long distance travel and are mostly found at locations along highways, malls and fuel stations.

Public Charging Infrastructure Plans

While home charging handles the bulk of needs for local commutes, Electric Vehicle Charger is a robust public fast charging network is key to alleviate range anxiety for drivers. To this end, governments and companies have committed billions towards building extensive fast charging corridors and urban charging hubs.

The Biden administration has earmarked $7.5 billion towards expanding the public EV charging network as part of the Bipartisan Infrastructure Law. This includes installing 500,000 new chargers along 75,000 miles of highways. Several states like California, New York and Washington have ambitious plans to hugely ramp up fast chargers in cities and suburbs over the next 5 years.

Auto giants like Volkswagen, GM and Ford are partnering with charging companies on 'Charging as a Service' programs. Through these initiatives, they plan to install over 100,000 fast chargers across North America in travel plazas, metro areas and along interstates by 2026-27.

Leading charging operators like EVgo, Chargepoint and Electrify America are also aggressively building their fast charging sites. Electrify America alone plans to deploy or have under development approximately 800 DC fast charging stations with about 3,500 individual chargers by December 2026.

Role of Governments and Businesses

As the EV accelerates, both governments and businesses have a major responsibility in making public charging accessible and affordable for all drivers. Some of the policies and actions being taken include:

- Incentivizing installation of both home and public chargers through rebates, tax credits and investments.

- Setting standards for new residential and commercial construction to install EV charging infrastructure.

- Streamlining permit approvals for charger deployment across towns, cities and states.

- Ensuring equitable access to charging in low-income urban areas and for rental housing residents.

- Capping charging rates, monitoring for anti-competitive practices by charger networks.

- Launching MakeMyEVCharge.com in 2023 - a one stop shop portal for finding public chargers and payments across networks.

With committed efforts from automakers, charging operators, grid operators working closely with policymakers - the charging infrastructure building can be accelerated to support mainstream EV adoption over the next decade.

Charging Technologies and Standards

For widespread usability, the development of uniform and open communication standards for EV charging is crucial. Some technologies being advanced include:

- CCS Combo 1 and CCS Combo 2: Combining DC power and communication, CCS is becoming the predominant standard for fast charging worldwide used by Tesla Superchargers as well.

- SAE J1772: The standard for Level 1 and Level 2 charging gun currently used in North America and being harmonized globally.

- CHAdeMO: A DC fast charging standard used in Asia and Europe but giving way to CCS due to its simpler design.

- Plug & Charge: Authentication and payment protocols to enable simple "plug and go" charging experience across networks.

- Bi-directional charging: New chargers and EVs able to supply power bi-directionally to the grid for V2G (Vehicle-to-Grid) energy services.

- 350 kW and above: Charging at rates over 350 kW being tested by manufacturers to enable ultra-fast top ups under 20 minutes for long range vehicles.

With an interoperable, smart and future-proof charging ecosystem rolling out - EV drivers will soon enjoy uninterrupted long distance travel and a renewed fueling experience analogous to gas stations all across America and beyond.

Challenges to Overcome

While rapid progress is happening, there are still challenges in scaling EV charging infrastructure to the needed levels to constitute at least 20% of the car over the next 5-10 years. Some of the main hurdles are:

- High upfront equipment and installation costs for fast chargers that need to be offset.

- Ensuring charger reliability and uptime through integrated maintenance and repair networks.

- Grid capacity limitations in certain areas requiring utility upgrades to handle charging demand.

- Charge time disparity compared to gas fuelling raising expectations on 350 kW+ chargers.

- Standardized approaches for payment processing, utilization monitoring and station usage guidelines.

- Hiring adequate number of skilled technicians trained in EV charging technologies.

With concerted efforts from stakeholders, new technologies to lower costs like modular chargers, V2G integration, optimized roaming agreements across networks and an innovation ecosystem focused on accelerating charger deployment - the charging infrastructure should catch up with the explosive growth in EVs expected in the near future.


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