Iceland vs New Zealand: Electricity generation by source
Iceland
5.57 terawatt-hours
in 2024
New Zealand
9.44 terawatt-hours
in 2025
Iceland rank
8th
New Zealand rank
5th
Electricity generation by source over time
- Iceland
- New Zealand
How they compare
New Zealand currently reports 9.44 terawatt-hours against 5.57 terawatt-hours in Iceland, a difference of 3.87 terawatt-hours.
That makes New Zealand's figure about 1.7 times Iceland's.
The two have swapped places 2 times across 57 shared years of data; in 1968 it was New Zealand ahead.
Iceland ranks 8th and New Zealand ranks 5th of 210 countries.
New Zealand has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Iceland | New Zealand | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.001 terawatt-hours | 1.31 terawatt-hours | 1.31 terawatt-hours | New Zealand |
| 1970s | 0.0193 terawatt-hours | 1.71 terawatt-hours | 1.69 terawatt-hours | New Zealand |
| 1980s | 0.1793 terawatt-hours | 2.08 terawatt-hours | 1.9 terawatt-hours | New Zealand |
| 1990s | 0.4085 terawatt-hours | 3.13 terawatt-hours | 2.72 terawatt-hours | New Zealand |
| 2000s | 2.35 terawatt-hours | 3.14 terawatt-hours | 0.783 terawatt-hours | New Zealand |
| 2010s | 5.15 terawatt-hours | 6.77 terawatt-hours | 1.62 terawatt-hours | New Zealand |
| 2020s | 5.79 terawatt-hours | 8.06 terawatt-hours | 2.27 terawatt-hours | New Zealand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher electricity generation by source, Iceland or New Zealand?
- New Zealand, at 9.44 terawatt-hours against 5.57 terawatt-hours in Iceland as of 2025.
- What is the difference in electricity generation by source between Iceland and New Zealand?
- 3.87 terawatt-hours, with New Zealand ahead.
- How many years of comparable data are there for Iceland and New Zealand?
- 57 years are reported by both, from 1968 to 2024.
- How do Iceland and New Zealand rank globally for electricity generation by source?
- Iceland ranks 8th and New Zealand ranks 5th of 210 countries.
- Where does this data come from?
- Ember (2026); Pinto et al. (2023); Energy Institute - Statistical Review of World Energy (2026) β with major processing by Our World in Data, published as Electricity generation by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours.