Annual change in primary energy from hydropower in New Zealand
New Zealand: Annual change in primary energy from hydropower was 0.4799 terawatt-hours in 2025. ◆ Volatile
Annual 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 terawatt-hours.
Analysis
In 2025, annual change in primary energy from hydropower in New Zealand stood at 0.4799 terawatt-hours.
That represents a change of up 116.9% on the previous year and up 121.8% over ten years.
Over the whole period, annual change in primary energy from hydropower in New Zealand peaked at 3.62 terawatt-hours in 2004 and was at its lowest, -3.91 terawatt-hours, in 2005.
That places New Zealand 20th out of 77 countries with data for 2025, putting it in the top quarter.
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 | 0.4044 terawatt-hours | -0.137 terawatt-hours | 0.7867 terawatt-hours | 4 |
| 1970s | 0.6807 terawatt-hours | -1.16 terawatt-hours | 2.78 terawatt-hours | 10 |
| 1980s | 0.4115 terawatt-hours | -1.38 terawatt-hours | 2.39 terawatt-hours | 10 |
| 1990s | 0.0361 terawatt-hours | -2.92 terawatt-hours | 2.4 terawatt-hours | 10 |
| 2000s | 0.1298 terawatt-hours | -3.91 terawatt-hours | 3.62 terawatt-hours | 10 |
| 2010s | 0.1436 terawatt-hours | -2.21 terawatt-hours | 1.38 terawatt-hours | 10 |
| 2020s | -0.241 terawatt-hours | -2.83 terawatt-hours | 2.11 terawatt-hours | 6 |
Countries ranked near New Zealand
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Frequently asked questions
- What is annual change in primary energy from hydropower in New Zealand?
- Annual change in primary energy from hydropower in New Zealand was 0.4799 terawatt-hours 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 change in primary energy from hydropower recorded in New Zealand?
- The highest recorded value was 3.62 terawatt-hours in 2004.
- What is the lowest annual change in primary energy from hydropower recorded in New Zealand?
- The lowest recorded value was -3.91 terawatt-hours in 2005.
- How does New Zealand rank for annual change in primary energy from hydropower?
- New Zealand ranks 20th out of 77 countries with data for 2025.
- Is annual change in primary energy from hydropower rising or falling in New Zealand?
- Over the last ten years it is up 121.8%. 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 change in primary energy from hydropower. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.