Italy vs Japan: Installed geothermal energy capacity
Italy
771.79 megawatts
in 2025
Japan
468.91 megawatts
in 2025
Italy rank
9th
Japan rank
10th
Installed geothermal energy capacity over time
- Italy
- Japan
How they compare
Italy currently reports 771.79 megawatts against 468.91 megawatts in Japan, a difference of 302.88 megawatts.
That makes Italy's figure about 1.6 times Japan's.
Across all 26 years both countries report, Italy has been ahead every year.
Italy ranks 9th and Japan ranks 10th of 32 countries.
Italy has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Italy | Japan | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 655.7 megawatts | 533.5 megawatts | 122.2 megawatts | Italy |
| 2010s | 751.76 megawatts | 507.32 megawatts | 244.44 megawatts | Italy |
| 2020s | 771.79 megawatts | 466.08 megawatts | 305.71 megawatts | Italy |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher installed geothermal energy capacity, Italy or Japan?
- Italy, at 771.79 megawatts against 468.91 megawatts in Japan as of 2025.
- What is the difference in installed geothermal energy capacity between Italy and Japan?
- 302.88 megawatts, with Italy ahead.
- How many years of comparable data are there for Italy and Japan?
- 26 years are reported by both, from 2000 to 2025.
- How do Italy and Japan rank globally for installed geothermal energy capacity?
- Italy ranks 9th and Japan ranks 10th of 32 countries.
- Where does this data come from?
- IRENA (2026) β processed by Our World in Data, published as Installed geothermal energy capacity. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total geothermal (on- and off-grid) electricity installed capacity, measured in megawatts.