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EV charging glossary

Industry jargon

Availability

EV charger availability describes whether an EVSE is in a state that allows a driver to use it for charging.

In connected charging networks, availability is normally represented through status data rather than inferred only from whether the cabinet has power. A charger can be unavailable because it is occupied, reserved, out of service, faulted or otherwise unable to accept a new session.

The exact status vocabulary depends on the protocol and platform. Availability data is important for drivers and operators, and UK public-charging regulations require specified availability data to be accurate and made available through the mandated open-data framework.

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Related terms

Uptime and reliability

OCPI

Charge Point Operator
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