While the early load impacts of EV adoption have materialized at the local level — a few new vehicles can stress neighborhood feeders, say experts — NERC is concerned that as penetration levels rise, there may be reliability issues on the bulk power system as well.
EVs were 7.6% of new vehicle sales in 2023, and more than 8% of new sales in the fourth quarter. Though growth has slowed somewhat, Cox Automotive said it expects EV sales to surpass 10% of new sales in 2024.
