A choropleth maps showing the change in the number of EV chargers, August 2024 to February 2025, by California county. California overall saw a 17.1% increase in the number of chargers. The county with the largest increase was Lake County, which went from 50 to 107 chargers a 114% increase. The county with the largest decrease was Del Norte, which went from 83 to 61, a 27% decrease. Most counties saw increases, but parts of the Central Valley had decreases.