Top 10 states for public EV charging infrastructure growth in 2015 Q1 (UPDATED)

Top 10 States EV Charging - Q1 2015

The proliferation of public EV charging infrastructure in the US continues, with no sign of slowing down. The total number of public stations of all connector types and charging levels has skyrocketed from less than 1,000 in 2010 to more than 25,000, according to PlugShare Data

Ambitious new infrastructure projects continue to be announced, including:

New EV Charging by states - Q1 2015 660
Figure is free to share (CC BY-SA 2.0) with proper attribution: PlugShare via

Now, thanks to PlugShare’s quarterly infrastructure report, we can track the most active states for new installations. Number one by more than a fivefold margin is (no surprise) California, with 436 new public charging stations* installed in the first quarter of 2015.

1.  California:  436
2.  Florida:  80
3.  Georgia:  67
4.  Washington:  52
5.  Massachusetts:  50
6.  North Carolina:  43
7.  Texas:  40
8.  Ohio:  37
9.  Minnesota:  35
10.  Virginia:  33

[Updated: 5/6/15 8pm EDT to clarify the data set.] 
PlugShare considers a “charging station” to be a physical charging unit installed on the ground or wall, with one or multiple charging connectors. For example, a single DC fast charging unit with both a CHAdeMO and CCS plug counts as one charging station in the data above. A Tesla Supercharger location with six individual charging bays counts as six charging stations. 

The best news of all for PEV drivers: The majority of those public stations are free to use.

Full access to PlugShare Quarterly 2015 Q1 – US Electric Vehicle Infrastructure Exhibits can be purchased here.


  • Brian_Henderson

    A “total number” of charging stations for each state is misspending information. There needs to be clear desperation of numbers for CCS, CHAdeMO and Tesla DC outlets.

    Also stating “charging stations” without including number of charging point outlets is misleading. A Tesla charging station will have from 2-12+ outlets, but CCS stations typically only have one outlet. The leads to a gap in the actual number of charging point outlets deployed per state.

    Just as totaling gas stations that offer Diesel, Ethanol, and Formulated Petroleum products … the are real world compatibility issues that the numbers need to identify.

    While I understand Plugshare’s need to charge for reports, the states should be making this information publically available.

    • Christian Ruoff


      Regarding your first point that “there needs to be clear desperation of numbers for CCS, CHAdeMO and Tesla DC outlets,” we agree that’s very important info and PlugShare has provide some data in that way.

      However, we also found an overall snapshot charging infrastructure activity interesting as well.

      To your second point that “stating charging stations without including number of charging point outlets is misleading,” we agree again, and asked PlugShare to clarify how they counted “charging stations.” The article has been updated to include their response.