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

Latest (2025)
0.4799 terawatt-hours
Change on year
up 116.9%
World rank
21st
of 80 countries
All-time high
3.62 terawatt-hours
in 2004
All-time low
-3.91 terawatt-hours
in 2005
Years of data
60
1966–2025

Annual change in primary energy from hydropower in New Zealand, 1966–2025

-4-2024196619952025

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

Annual values for Annual change in primary energy from hydropower in New Zealand, 1966 to 2025.
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.

YearChange FromTo
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

DecadeAverage LowestHighest 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

  1. 18 Pakistan 0.9761 terawatt-hours compare
  2. 19 Malaysia 0.9019 terawatt-hours compare
  3. 20 South Africa 0.7203 terawatt-hours compare
  4. 22 Morocco 0.0823 terawatt-hours compare
  5. 23 Belarus 0.0711 terawatt-hours compare
  6. 24 Hungary 0.0139 terawatt-hours compare

See the full ranking of 82 places →

More reference data data for New Zealand

All data for New Zealand →

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).

Share, cite or embed this page

Cite this page

Annual change in primary energy from hydropower in New Zealand. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/stat/annual-change-hydro/new-zealand/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/stat/annual-change-hydro/new-zealand/">Annual change in primary energy from hydropower in New Zealand</a> — Statizoid

About this data

Indicator
Annual change in primary energy from hydropower
Unit
terawatt-hours
Source
Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,604 data points, 1966–2025
Last refreshed

Change in total energy supply relative to the previous year, measured in terawatt-hours.