Q3 2021 California EV Charging Utilization


Most DC fast charging locations suffer from a combination of a high cost of deployment and a low number of daily charging sessions. As such, utilization — the percent of session time in a 24-hour period of individual chargers — has become a key metric to monitor the health of the industry and individual companies and charging locations. Unfortunately, the utilization metric is also generally a well-kept secret among the networks. 

The one exception is Electrify America, which is required as part of Volkswagen’s diesel-gate scandal settlement to produce public reports outlining its progress toward commitments. 

This report — based on data from Electrify America’s Q3 2021 California report — includes key findings, analysis, and 14 charts. 

Purchasers of the report will also receive the raw data in an Excel file.

Have a question on the report before you buy, send us your question via our Contact form 

The data and charts cover three charging use case/location types:

  • Highway corridor/urban locations
  • Multi-family unit developments (MUD)
  • Workplace


Charts and data included for each location type include:

  • Number of locations/charging ports/ports per location
  • Number of charging sessions per day
  • Utilization rate (percentage)
  • kWh used per session
  • Time per charging session/per day


And for most metrics, the data is presented as:

  • Mean (average)
  • Median
  • Top quartile
  • Bottom quartile
  • Highest data point


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