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Highlights:
Trial demonstrates bi-directional EV charging using widely adopted CCS2 connectors
Essential Energy and CSIRO collaborate on integrating EVs into national energy systems
Testbed established for further research into grid stabilisation and energy storage
Australia’s energy sector is expanding its scope with the introduction of grid-integrated electric vehicle (EV) technology. A recent collaborative trial by Essential Energy and the Commonwealth Scientific and Industrial Research Organisation (CSIRO) highlights the role of EVs in supplying energy back to the grid.
At a facility in Port Macquarie, researchers replicated residential energy usage to examine the capabilities of vehicle-to-grid (V2G) systems. The project focused on enabling EVs to function as distributed energy resources, contributing both to household electricity demands and the broader electricity network.
Real-World Trial of Bi-Directional Charging
The trial featured bi-directional charging simulations under everyday conditions, with vehicles both charging from and supplying energy to the grid. Two electric vehicles were used in the study—a Nissan Leaf with a CHAdeMO plug and a Ford F150 Lightning compatible with the Combined Charging System (CCS2).
Both models successfully transmitted and received power, showing that EVs can operate beyond transportation, supporting grid reliability and energy efficiency. The trial demonstrated the technical feasibility of using CCS2-enabled vehicles to stabilise grid supply and export surplus electricity during periods of high demand.
CCS2 Technology Broadens Application Scope
Unlike previous Australian V2G demonstrations that used CHAdeMO plugs, this trial showcased compatibility with CCS2 connectors, which are more prevalent in newer EV models. This marks a significant shift, as CHAdeMO technology is becoming outdated and less supported globally.
The successful use of CCS2 bi-directional chargers signals a broader compatibility with upcoming EV fleets. According to the project team, the implementation of CCS2 is a pivotal step toward greater adoption of V2G-capable vehicles in residential and commercial networks.
Testing Platform for Future Energy Systems
Essential Energy’s Innovation Hub has become a foundational platform for ongoing testing and development. The lab setup used in the trial has already been repurposed to help design and refine future energy systems that incorporate EVs as energy storage units.
These developments aim to align electric vehicle usage with national energy priorities. Integrating EVs into the electricity grid supports efforts to enhance system stability, reduce strain during peak usage periods, and support decentralised power solutions.
Next Steps in Research and Implementation
Following the trial’s success, CSIRO and Essential Energy have initiated plans to refine the automation and control mechanisms that govern bi-directional energy flow. The research will expand to assess various V2G configurations and their compatibility across diverse EV models.
With increasing adoption of electric mobility and growing electricity demand, the collaboration aims to optimise energy distribution networks. Integrating EVs into home and commercial energy systems may complement renewable sources and enhance overall grid responsiveness.
The project underscores the role of innovative charging systems in shaping the future of distributed energy in Australia. Developments like these contribute to national infrastructure upgrades and highlight the evolution of the ASX 200 energy sector.
