New Zealand vs Portugal: Hydropower generation by region
New Zealand
24.21 terawatt-hours
in 2025
Portugal
14.87 terawatt-hours
in 2025
New Zealand rank
27th
Portugal rank
30th
Hydropower generation by region over time
- New Zealand
- Portugal
How they compare
New Zealand currently reports 24.21 terawatt-hours against 14.87 terawatt-hours in Portugal, a difference of 9.34 terawatt-hours.
That makes New Zealand's figure about 1.6 times Portugal's.
Across all 61 years both countries report, New Zealand has been ahead every year.
New Zealand ranks 27th and Portugal ranks 30th of 80 countries.
New Zealand has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | New Zealand | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 11.09 terawatt-hours | 5.25 terawatt-hours | 5.84 terawatt-hours | New Zealand |
| 1970s | 15.36 terawatt-hours | 7.74 terawatt-hours | 7.62 terawatt-hours | New Zealand |
| 1980s | 20.67 terawatt-hours | 8.42 terawatt-hours | 12.26 terawatt-hours | New Zealand |
| 1990s | 24.17 terawatt-hours | 9.85 terawatt-hours | 14.32 terawatt-hours | New Zealand |
| 2000s | 23.9 terawatt-hours | 9.95 terawatt-hours | 13.94 terawatt-hours | New Zealand |
| 2010s | 24.78 terawatt-hours | 11.41 terawatt-hours | 13.37 terawatt-hours | New Zealand |
| 2020s | 24.9 terawatt-hours | 12.06 terawatt-hours | 12.84 terawatt-hours | New Zealand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, New Zealand or Portugal?
- New Zealand, at 24.21 terawatt-hours against 14.87 terawatt-hours in Portugal as of 2025.
- What is the difference in hydropower generation by region between New Zealand and Portugal?
- 9.34 terawatt-hours, with New Zealand ahead.
- How many years of comparable data are there for New Zealand and Portugal?
- 61 years are reported by both, from 1965 to 2025.
- How do New Zealand and Portugal rank globally for hydropower generation by region?
- New Zealand ranks 27th and Portugal ranks 30th of 80 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) β with major processing by Our World in Data, published as Hydropower generation by region. 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 primary hydroelectric generation and do not account for cross-border electricity supply.