While EV charging infrastructure is growing rapidly in the US, a new study reveals a stark contrast in progress between states. Some are making rapid strides in building charging networks, while others are falling behind, creating glaring gaps in access. This patchwork approach leaves many areas ill-prepared for the growing demand, highlighting a crucial need for a more balanced expansion of charging stations across the nation.
According to the Department of Transportation, the US currently boasts over 192,000 publicly available charging ports, with approximately 1,000 new chargers being added each week. While that may sound impressive, it's just a drop in the bucket compared to the White House's goal to deploy 500,000 chargers by 2026. Looking further out, the National Renewable Energy Laboratory estimates that by 2030, over 2 million ports will be needed. It's clear that the EV charging infrastructure in the US still has a long way to go.
EV Index: A Comprehensive Metric to Evaluate EVSE Availability
When looking at the state of the current EV charging infrastructure, it's not as easy as just looking at the number of chargers. A state might boast thousands of chargers, but if you're in a remote region and running low on battery, those chargers won't help unless they are nearby.
To better understand the charging landscape across the US, we can look at the "HERE-SBD EV Index." This metric was developed by HERE, a leading location data and technology platform, and SBD Automotive, a global automotive research firm. It's a comprehensive metric developed to look at all aspects of EV Charging. The index scores all states based on the following four criteria, with a maximum of 25 points in each category.
Average Charger Power
Not all chargers are created equal. Even when looking at Level 3 / DCFC charging, the power of the charger can vary greatly. The more powerful the charger, the faster you can charge and free up the spot for the next driver.
Charging Points per Mile of Road
Having a bunch of chargers in one spot doesn't help cover a whole state. This metric assesses the ratio of available chargers to the length of roads, allowing for better comparisons between states of different sizes.
EV Market Share
Each state's score is determined by comparing the number of electric vehicles (EVs) on the road to the number of internal combustion engine (ICE) vehicles.
EVs per Charging Point
This metric indicates the likelihood of finding an available charger. Only three states and Washington DC currently have the optimal ratio of EVs to public chargers.
Best and Worst States for Charging Infrastructure
According to the EV Index, 80% of the highest ranked states were in the Northeast, with the remaining two states on the West Coast. The lowest ranked states were mostly in the center of the country.
Best States for Charging Infrastructure
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Worst States for Charging Infrastructure
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Rebates Seem to Play a Role in Success of EV Infrastructure
Rebates are not factored into the EV Index, but looking at the list, it's no coincidence that the states with the lowest scores also have some of the worst incentives for EV chargers. Currently, 80% of the US is covered by a rebate or incentive for a commercial EV charger, with an average of $3,488 for a Level 2 and $33,167 for a DCFC.
| Average EV Charger Rebate in North America | |
|---|---|
| Level 2 Charger Residential |
$534 per charger |
| Level 2 charger Commercial |
$3,488 per charger |
| Level 3 / DCFC Charger Commercial |
$33,167 per charger |
Alaska has the lowest EV Index score in the US. Only one electric utility, which covers about 5% of the state, currently offers an incentive for commercial chargers. Looking at Arkansas, which ranked 50th on the EV Index, coverage is much better, with 79% of the state being covered by a rebate or incentive for installing a commercial EV charger. However, the average rebate for a Level 2 charger is only $500, a quarter of the average across the US.
Looking at more successful states, Washington DC has a variety of incentives available. The district has a commercial tax credit of 50% of the project cost up to $10,000 per station for a Level 2 charger. In addition, the local electric utility, PEPCO, provides a make-ready program that covers the cost of electric supply infrastructure. New York, which also has a high rating, has over 19 different rebate and incentive programs available across the state, with some of them targeting specific applications like multi-family properties and disadvantaged communities.
At-Home Charging Helps as Well
One portion of the market that the EV Index doesn't look at is at-home charging. While public charging infrastructure is critical for reducing range anxiety, at-home chargers can also alleviate some of the burden of public charging. Thankfully, rebates are also available for home chargers, with 56% of the US currently covered by residential incentives averaging $534 per charger.
Future Outlook for EV Charging
Looking ahead, the future of EV charging infrastructure in the US will depend on sustained investments and the expansion of rebate programs. There's a long way to go to achieve the goal of 500,000 chargers by 2026. The study by HERE-SBD indicates that while significant progress is being made, considerable challenges remain providing great opportunities for those in the EVSE space. Demand for improved EV infrastructure will increase over the next decade, and they'll need equipment suppliers, installers, maintenance, and software.
Understanding EV Charger Rebates is Key to Success
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