The National Renewable Energy Laboratory expects Level 1 and Level 2 charging to handle 80% of all EV charging duties by 2030. Sufficient energy from the electric grid may be needed to support 33 million EVs on the road by 2030. The majority (64%) of EV charging is estimated to take place at single family homes using L1 and L2 charging, which is typically the most cost-effective and convenient type of charging. DC fast charging infrastructure is expected to support 20% of EV charging needs.

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