New Zealand vs Slovakia: Renewable energy generation
New Zealand
0.9804 terawatt-hours
in 2025
Slovakia
0.8157 terawatt-hours
in 2025
New Zealand rank
63rd
Slovakia rank
66th
Renewable energy generation over time
- New Zealand
- Slovakia
How they compare
New Zealand currently reports 0.9804 terawatt-hours against 0.8157 terawatt-hours in Slovakia, a difference of 0.1647 terawatt-hours.
That makes New Zealand's figure about 1.2 times Slovakia's.
The two have swapped places 3 times across 55 shared years of data; in 1971 it was Slovakia ahead.
New Zealand ranks 63rd and Slovakia ranks 66th of 79 countries.
Across the 6 decades both report, New Zealand averaged higher in 1 and Slovakia in 2.
Head to head by decade
| Decade | New Zealand | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0.001 terawatt-hours | 0 terawatt-hours | 0.001 terawatt-hours | New Zealand |
| 2010s | 0.0438 terawatt-hours | 0.4742 terawatt-hours | 0.4304 terawatt-hours | Slovakia |
| 2020s | 0.4355 terawatt-hours | 0.6831 terawatt-hours | 0.2476 terawatt-hours | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher renewable energy generation, New Zealand or Slovakia?
- New Zealand, at 0.9804 terawatt-hours against 0.8157 terawatt-hours in Slovakia as of 2025.
- What is the difference in renewable energy generation between New Zealand and Slovakia?
- 0.1647 terawatt-hours, with New Zealand ahead.
- How many years of comparable data are there for New Zealand and Slovakia?
- 55 years are reported by both, from 1971 to 2025.
- How do New Zealand and Slovakia rank globally for renewable energy generation?
- New Zealand ranks 63rd and Slovakia ranks 66th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Renewable energy generation. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.