Annual percentage change in primary energy from hydropower in New Zealand
New Zealand: Annual percentage change in primary energy from hydropower was 2.0% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in New Zealand, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
New Zealand recorded 2.0% for annual percentage change in primary energy from hydropower in 2025.
The figure is up 119.0% on the previous year and up 127.8% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in New Zealand peaked at 17.8% in 1979 and was at its lowest, -14.4%, in 2005.
That places New Zealand 22nd out of 68 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 3.9% | -1.2% | 7.9% | 4 |
| 1970s | 5.0% | -7.0% | 17.8% | 10 |
| 1980s | 2.2% | -7.0% | 12.1% | 10 |
| 1990s | 0.5% | -11.2% | 11.4% | 10 |
| 2000s | 1.0% | -14.4% | 15.3% | 10 |
| 2010s | 0.7% | -8.8% | 5.8% | 10 |
| 2020s | -0.8% | -10.7% | 8.7% | 6 |
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More reference data data for New Zealand
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Frequently asked questions
- What is annual percentage change in primary energy from hydropower in New Zealand?
- Annual percentage change in primary energy from hydropower in New Zealand was 2.0% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from hydropower recorded in New Zealand?
- The highest recorded value was 17.8% in 1979.
- What is the lowest annual percentage change in primary energy from hydropower recorded in New Zealand?
- The lowest recorded value was -14.4% in 2005.
- How does New Zealand rank for annual percentage change in primary energy from hydropower?
- New Zealand ranks 22nd out of 68 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in New Zealand?
- Over the last ten years it is up 127.8%. The long-run trend across the full record is volatile.
- Where does this New Zealand data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from hydropower. Statizoid updates them automatically from the source API.
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CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Percentage change in total energy supply relative to the previous year.