DraftDraft for review, not yet a published standard. Registry vehicle/1.0-draft of 2026-10-24, marker vehicle/1.0. How changes are made.

vehicle.usableBatteryEnergyKwh

Usable battery energy (kWh) · Nutzbare Batterieenergie (kWh)

Certified usable energy of the battery (NR-25) when new, as declared by the manufacturer (often called net capacity). Not the state of health.

Key
vehicle.usableBatteryEnergyKwh
Row name (BT-160)
Nutzbare Batterieenergie (kWh) [vehicle.usableBatteryEnergyKwh]
Usable battery energy (kWh) [vehicle.usableBatteryEnergyKwh]

The bare key vehicle.usableBatteryEnergyKwh is also accepted.

Tier
Recommended
Status
draft
Representation term
Measure, unit kWh (Rec 20 KWH)
Value format
decimal ^[0-9]{1,3}([.][0-9]{1,2})?$
Grammar
^[0-9]{1,3}([.][0-9]{1,2})?$
Unit
kilowatt hour (UN/ECE Rec. 20 code KWH)
The unit is part of the key and never part of the value.
Code list
unit fixed: kilowatt hour (Rec 20 KWH)
Required when
SHOULD for pure-electric and plug-in-hybrid-electric vehicles
Statutory feature
No
Repeatable
No, at most one row per line
Anchors
  • UN GTR No. 22 'usable battery energy' (certified UBE)
  • Reg. (EU) 2017/1151 Annex XXI (usable REESS energy)
  • Reg. (EU) 2023/1542 Annex XIII uses 'rated capacity' in Ah (hence not 'capacity')
  • informative: COVESA VSS TractionBattery.NetCapacity
Carrier and binding
BG-32: BT-160 'Nutzbare Batterieenergie (kWh) [vehicle.usableBatteryEnergyKwh]', BT-161 '64.5'
Crosswalk (informative)

UN GTR No. 22 certified UBE; COVESA VSS TractionBattery.NetCapacity; schema.org has no kWh property (fuelCapacity uses Ah for EVs)

informative; names and IRIs of third-party works, CC BY 4.0, sources stated; VDA 4938: reprint with source

Source and changes
registry/keys/usableBatteryEnergyKwh.yaml · Propose a change