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) – 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 23rd out of 71 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 percentage change in primary energy from hydropower in New Zealand, year by year
| Year | % | Change |
|---|---|---|
| 1966 | 7.9% | — |
| 1967 | 3.8% | -51.0% |
| 1968 | 4.9% | +28.1% |
| 1969 | -1.2% | -123.6% |
| 1970 | 8.9% | -863.7% |
| 1971 | 13.6% | +53.1% |
| 1972 | 6.0% | -55.5% |
| 1973 | -1.1% | -118.2% |
| 1974 | 0.6% | -155.5% |
| 1975 | 9.7% | +1489.5% |
| 1976 | -7.0% | -172.0% |
| 1977 | -5.0% | -28.1% |
| 1978 | 6.4% | -227.0% |
| 1979 | 17.8% | +178.6% |
| 1980 | 5.0% | -71.9% |
| 1981 | 1.6% | -67.4% |
| 1982 | -7.0% | -529.5% |
| 1983 | 7.9% | -213.1% |
| 1984 | 3.2% | -60.0% |
| 1985 | -3.3% | -203.7% |
| 1986 | 12.1% | -469.4% |
| 1987 | -0.8% | -106.3% |
| 1988 | 4.7% | -716.1% |
| 1989 | -1.8% | -137.3% |
| 1990 | 2.8% | -257.9% |
| 1991 | -1.3% | -145.2% |
| 1992 | -7.9% | +527.4% |
| 1993 | 11.4% | -244.6% |
| 1994 | 10.0% | -12.3% |
| 1995 | 6.6% | -34.1% |
| 1996 | -4.9% | -174.7% |
| 1997 | -11.2% | +127.5% |
| 1998 | 8.9% | -179.3% |
| 1999 | -9.5% | -207.0% |
| 2000 | 6.6% | -169.8% |
| 2001 | -11.3% | -270.4% |
| 2002 | 14.7% | -230.6% |
| 2003 | -5.0% | -134.1% |
| 2004 | 15.3% | -404.6% |
| 2005 | -14.4% | -193.8% |
| 2006 | 1.1% | -107.3% |
| 2007 | 0.3% | -72.9% |
| 2008 | -5.5% | -2016.6% |
| 2009 | 8.4% | -253.0% |
| 2010 | 2.1% | -74.9% |
| 2011 | 1.6% | -26.1% |
| 2012 | -8.8% | -667.5% |
| 2013 | 0.6% | -106.6% |
| 2014 | 5.8% | +906.0% |
| 2015 | 0.9% | -84.7% |
| 2016 | 5.6% | +534.3% |
| 2017 | -3.0% | -153.8% |
| 2018 | 4.5% | -247.2% |
| 2019 | -2.5% | -155.5% |
| 2020 | -5.2% | +109.6% |
| 2021 | -0.4% | -92.1% |
| 2022 | 8.7% | -2225.0% |
| 2023 | 0.9% | -90.2% |
| 2024 | -10.7% | -1346.3% |
| 2025 | 2.0% | -119.0% |
New Zealand compared with similar countries
- New Zealand's 2.0% is above the median for high income countries, which is -12.6%. (38 countries reporting)
- New Zealand's 2.0% is below the median for East Asia & Pacific, which is 2.4%, 85% of the median. (10 countries reporting)
Biggest year-on-year movements
Years where Annual percentage 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 | +2225.0% | -0.4% | 8.7% |
| 2008 | -2016.6% | 0.3% | -5.5% |
| 1975 | +1489.5% | 0.6% | 9.7% |
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 |
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 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) – 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 23rd out of 71 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) – 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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About this data
Percentage change in total energy supply relative to the previous year.