Data from NTC’s Light Vehicle Emissions Intensity 2025 Report. The data dashboard there contains lots more details including stats based on regions, fuel/powertrain type, market segment, and you can look up individual car models on page 9.
I annotated this chart to show the huge gap between the curtailed (wasted) renewable power at midday in Australia and the storage available to make use of it. Hence the recently announced Solar Sharer Scheme, which will give Australians three hours of free power in the middle of the day.
Electricity Generation, Australian National Energy Market, Friday 26 and Saturday 27 September 2025:
