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) – 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 21st out of 80 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.
Annual change in primary energy from hydropower in New Zealand, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.7867 terawatt-hours | — |
| 1967 | 0.4154 terawatt-hours | -47.2% |
| 1968 | 0.5524 terawatt-hours | +33.0% |
| 1969 | -0.137 terawatt-hours | -124.8% |
| 1970 | 1.03 terawatt-hours | -854.8% |
| 1971 | 1.72 terawatt-hours | +66.7% |
| 1972 | 0.8706 terawatt-hours | -49.5% |
| 1973 | -0.1679 terawatt-hours | -119.3% |
| 1974 | 0.0922 terawatt-hours | -154.9% |
| 1975 | 1.47 terawatt-hours | +1499.2% |
| 1976 | -1.16 terawatt-hours | -179.0% |
| 1977 | -0.7788 terawatt-hours | -33.1% |
| 1978 | 0.9394 terawatt-hours | -220.6% |
| 1979 | 2.78 terawatt-hours | +196.3% |
| 1980 | 0.9212 terawatt-hours | -66.9% |
| 1981 | 0.3152 terawatt-hours | -65.8% |
| 1982 | -1.38 terawatt-hours | -536.5% |
| 1983 | 1.45 terawatt-hours | -205.2% |
| 1984 | 0.6253 terawatt-hours | -56.8% |
| 1985 | -0.6689 terawatt-hours | -207.0% |
| 1986 | 2.39 terawatt-hours | -457.3% |
| 1987 | -0.1691 terawatt-hours | -107.1% |
| 1988 | 1.03 terawatt-hours | -711.4% |
| 1989 | -0.4038 terawatt-hours | -139.0% |
| 1990 | 0.6264 terawatt-hours | -255.1% |
| 1991 | -0.2908 terawatt-hours | -146.4% |
| 1992 | -1.8 terawatt-hours | +519.5% |
| 1993 | 2.4 terawatt-hours | -233.2% |
| 1994 | 2.34 terawatt-hours | -2.3% |
| 1995 | 1.7 terawatt-hours | -27.6% |
| 1996 | -1.35 terawatt-hours | -179.6% |
| 1997 | -2.92 terawatt-hours | +116.4% |
| 1998 | 2.06 terawatt-hours | -170.5% |
| 1999 | -2.4 terawatt-hours | -216.4% |
| 2000 | 1.52 terawatt-hours | -163.1% |
| 2001 | -2.75 terawatt-hours | -281.7% |
| 2002 | 3.19 terawatt-hours | -215.9% |
| 2003 | -1.25 terawatt-hours | -139.2% |
| 2004 | 3.62 terawatt-hours | -389.3% |
| 2005 | -3.91 terawatt-hours | -208.2% |
| 2006 | 0.2457 terawatt-hours | -106.3% |
| 2007 | 0.0673 terawatt-hours | -72.6% |
| 2008 | -1.29 terawatt-hours | -2022.1% |
| 2009 | 1.87 terawatt-hours | -244.6% |
| 2010 | 0.5091 terawatt-hours | -72.8% |
| 2011 | 0.3842 terawatt-hours | -24.5% |
| 2012 | -2.21 terawatt-hours | -676.3% |
| 2013 | 0.1324 terawatt-hours | -106.0% |
| 2014 | 1.34 terawatt-hours | +911.8% |
| 2015 | 0.2163 terawatt-hours | -83.9% |
| 2016 | 1.38 terawatt-hours | +540.0% |
| 2017 | -0.7873 terawatt-hours | -156.9% |
| 2018 | 1.12 terawatt-hours | -242.7% |
| 2019 | -0.6519 terawatt-hours | -158.0% |
| 2020 | -1.33 terawatt-hours | +104.4% |
| 2021 | -0.0999 terawatt-hours | -92.5% |
| 2022 | 2.11 terawatt-hours | -2216.3% |
| 2023 | 0.2253 terawatt-hours | -89.3% |
| 2024 | -2.83 terawatt-hours | -1357.0% |
| 2025 | 0.4799 terawatt-hours | -116.9% |
New Zealand compared with similar countries
- New Zealand's 0.4799 terawatt-hours is above the median for high income countries, which is -0.1136 terawatt-hours. (47 countries reporting)
- New Zealand's 0.4799 terawatt-hours is below the median for East Asia & Pacific, which is 0.6909 terawatt-hours, 69% of the median. (12 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from hydropower in New Zealand changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2022 | +2216.3% | -0.0999 terawatt-hours | 2.11 terawatt-hours |
| 2008 | -2022.1% | 0.0673 terawatt-hours | -1.29 terawatt-hours |
| 1975 | +1499.2% | 0.0922 terawatt-hours | 1.47 terawatt-hours |
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
More reference data data for New Zealand
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.4532 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 9.92 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 10.93 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0459 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 10.93 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.52 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.53 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 42.17 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 47.53 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.2499 (2050)
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) – 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 21st out of 80 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) – 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.