Charger Uptime

Uptime is the percentage of time a charger is functional and available to deliver a session, the reliability metric that determines whether charging is an amenity or a complaint generator. In a parking facility:

  • Uptime belongs in the vendor contract as an enforceable service level with measurement rules and remedies.

Considerations

  • Self-reported uptime and driver-experienced uptime diverge; define the metric. An installed charger that does not work is worse than none.