Australians keep hearing the country is “transitioning” — but rarely see what that looks like in the data, source by source and year by year. The honest picture is split-screen: renewables have grown fast, yet fossil fuels still set the pace of the electricity system.
In 2025, renewables supplied about 39% of Australia’s electricity, up from roughly 8% around the turn of the century — a genuine shift. Yet fossil fuels still generated close to 61% of the total. The story for The Conversation’s environment and ecology readers is not “Australia is going green” or “nothing has changed”, but the more interesting middle: a transition that is real, uneven, and getting harder.
These five interactive charts move from the headline shift, to the source-by-source mix, to the fossil-fuel backbone that refuses to leave, then widen the lens to the whole energy system before landing on where Australia stands today.
The opening chart sets the central tension. The fossil and renewable lines have moved towards each other for two decades — but they have not crossed cleanly. Australia is becoming more renewable without fossil electricity disappearing.
The cleaner version of the story is easier to see when fossil fuels are removed from this chart. Hydro was already present, but most of the recent growth comes from solar and wind. This is the clearest evidence that Australia’s transition is being built by new renewable capacity rather than by one old source alone.
This chart keeps the story honest. Coal has come off its peak, but it — alongside gas — is still the backbone the rest of the system leans on. The transition has bent the fossil line, not broken it.
Indexing everything to 1990 reveals the catch. Renewable electricity has surged well above the line, but fossil fuels’ share of all energy — including transport and industry — has barely moved, and energy use per person has not fallen away. The electricity transition is the early, easier win.
The closing chart gives readers the snapshot to take away: a mix that is genuinely cleaner than it was, but still anchored by coal and gas. Real progress, unfinished system.
The data shows a transition in progress, not a completed transformation. Australia has moved clearly towards renewable electricity, led by solar and wind. But the wider energy system still carries a heavy fossil-fuel legacy. The next stage is not just about adding renewable capacity — it is about cutting the role fossil fuels still play in electricity, industry, transport and everyday demand. That is the harder half of the story, and the one worth writing next.
This story uses the Our World in Data complete Energy dataset, filtered to Australia. The dataset is publicly available and provides long-run annual, country-level indicators for energy consumption, electricity generation, the electricity mix, energy use per person, and source shares.
Our World in Data. (2026). Energy data. GitHub. https://github.com/owid/energy-data
Ritchie, H., Rosado, P., & Roser, M. (2020). Energy. Our World in Data. https://ourworldindata.org/energy
Ritchie, H., Roser, M., & Rosado, P. (2025). Australia: Energy country profile. Our World in Data. https://ourworldindata.org/profile/energy/australia