EV Charging Design and Compliance for Bus Depot

Divergent Engineering supported the Karrinyup Bus Depot project by delivering comprehensive electrical design, HV submission support and technical review services. Our team ensured safe, compliant and sustainable charging infrastructure for the depot’s electric bus operations.

Our key deliverables included:

  • DC system cable sizing and routing for charging satellites
  • LV switchboard design and cable calculations
  • HV submission preparation, vendor drawing review and NER sign-off
  • Identification of hardware technical specifications required for the project
  • Development of preliminary settings for Western Power compliance
  • Single Line Diagram (SLD) development
  • Identification of hardware requirements suitable for procurement
  • Technical assessment and feedback on vendor product specifications
  • Verification of suitability for equipment such as protection relays (e.g., P5) and metering systems (PM8000)
  • Review of awarded kiosk GA drawings including switch gear arrangement and bunding design compliance
  • Verification that the awarded transformer met design specifications

Client: JetCharge
Location: Karrinyup
Year: 2025