Australia vs Italy: Annual change in primary energy from solar
Australia
6.53 terawatt-hours
in 2025
Italy
10.39 terawatt-hours
in 2025
Australia rank
12th
Italy rank
9th
Annual change in primary energy from solar over time
- Australia
- Italy
How they compare
Italy currently reports 10.39 terawatt-hours against 6.53 terawatt-hours in Australia, a difference of 3.86 terawatt-hours.
That makes Italy's figure about 1.6 times Australia's.
The two have swapped places 6 times across 60 shared years of data; in 1966 it was Italy ahead.
Australia ranks 12th and Italy ranks 9th of 77 countries.
Across the 7 decades both report, Australia averaged higher in 2 and Italy in 3.
Head to head by decade
| Decade | Australia | Italy | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 0.0002 terawatt-hours | 0.0002 terawatt-hours | Italy |
| 1990s | 0.0041 terawatt-hours | 0.0015 terawatt-hours | 0.0026 terawatt-hours | Australia |
| 2000s | 0.025 terawatt-hours | 0.066 terawatt-hours | 0.041 terawatt-hours | Italy |
| 2010s | 1.8 terawatt-hours | 2.3 terawatt-hours | 0.5006 terawatt-hours | Italy |
| 2020s | 6.68 terawatt-hours | 3.81 terawatt-hours | 2.88 terawatt-hours | Australia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from solar, Australia or Italy?
- Italy, at 10.39 terawatt-hours against 6.53 terawatt-hours in Australia as of 2025.
- What is the difference in annual change in primary energy from solar between Australia and Italy?
- 3.86 terawatt-hours, with Italy ahead.
- How many years of comparable data are there for Australia and Italy?
- 60 years are reported by both, from 1966 to 2025.
- How do Australia and Italy rank globally for annual change in primary energy from solar?
- Australia ranks 12th and Italy ranks 9th of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Annual change in primary energy from solar. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.