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Costs and impacts of on-street charging (Ricardo Energy & Environment)

1. Outline

The Climate Change Committee (CCC) commissioned Ricardo Energy & Environment to carry out research on understanding the costs and impacts of potential approaches to providing electric vehicle charging for households without private off-street parking. Specifically, the main questions to be answered by this study are:

  1. Understanding the charging wants and needs of electric vehicle (EV) users without access to private off-street parking.
  2. Understanding of the cost and wider impacts of charging for households without access to private off-street parking under different business models for different charger types.
  3. Understand how charging behaviour might be impacted by particular types of business models for different charger types and locations.
  4. Provide recommendations for the different actors involved in the deployment of EV charging infrastructure for optimal roll-out of public infrastructure.

2. Key messages

  • The most attractive charging options are faster chargers that can work immediately, have a high level of reliability, and are readily available for use with short connection times
  • Business models need to incorporate a rapid and effective maintenance programme to increase the reliability of chargepoints.
  • Lamppost charging offers the cheapest costs to consumers without access to off-street charging, followed by on-street residential.
  • There is a business case for higher power on-street residential charging, as these result in lower costs to consumers.
  • Rapid charging costs are very sensitive to grid upgrade costs, making locations with sufficient grid capacity more attractive.

To note:

  • There is a typo for residential off-street chargers OPEX value – the current value is £500, but it should be £100. This appears in section (A2.1.1), page 54 and table 6-1.