Iceland vs New Zealand: Installed geothermal energy capacity
Iceland
787.58 megawatts
in 2025
New Zealand
1,283 megawatts
in 2025
Iceland rank
8th
New Zealand rank
5th
Installed geothermal energy capacity over time
- Iceland
- New Zealand
How they compare
New Zealand currently reports 1,283 megawatts against 787.58 megawatts in Iceland, a difference of 495.42 megawatts.
That makes New Zealand's figure about 1.6 times Iceland's.
The two have swapped places 2 times across 26 shared years of data; in 2000 it was New Zealand ahead.
Iceland ranks 8th and New Zealand ranks 5th of 32 countries.
New Zealand has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Iceland | New Zealand | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 326.9 megawatts | 449.6 megawatts | 122.7 megawatts | New Zealand |
| 2010s | 678.61 megawatts | 906.5 megawatts | 227.89 megawatts | New Zealand |
| 2020s | 772.11 megawatts | 1,135 megawatts | 362.55 megawatts | New Zealand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher installed geothermal energy capacity, Iceland or New Zealand?
- New Zealand, at 1,283 megawatts against 787.58 megawatts in Iceland as of 2025.
- What is the difference in installed geothermal energy capacity between Iceland and New Zealand?
- 495.42 megawatts, with New Zealand ahead.
- How many years of comparable data are there for Iceland and New Zealand?
- 26 years are reported by both, from 2000 to 2025.
- How do Iceland and New Zealand rank globally for installed geothermal energy capacity?
- Iceland ranks 8th and New Zealand ranks 5th 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.