Annual change in primary energy from hydropower in South Korea

South Korea: Annual change in primary energy from hydropower was -0.4949 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
-0.4949 terawatt-hours
Change on year
down 184.8%
World rank
54th
of 80 countries
All-time high
1.72 terawatt-hours
in 1990
All-time low
-1.98 terawatt-hours
in 1988
Years of data
60
1966–2025

Annual change in primary energy from hydropower in South Korea, 1966–2025

-2-1012196619952025

Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

South Korea recorded -0.4949 terawatt-hours for annual change in primary energy from hydropower in 2025.

The figure is down 184.8% on the previous year and up 18.3% over ten years.

Over the whole period, annual change in primary energy from hydropower in South Korea peaked at 1.72 terawatt-hours in 1990 and was at its lowest, -1.98 terawatt-hours, in 1988.

South Korea ranks 54th of 80 countries on this measure, 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 South Korea, year by year

Annual values for Annual change in primary energy from hydropower in South Korea, 1966 to 2025.
Year terawatt-hours Change
1966 0.2749 terawatt-hours
1967 -0.0322 terawatt-hours -111.7%
1968 -0.0237 terawatt-hours -26.3%
1969 0.499 terawatt-hours -2206.7%
1970 -0.2078 terawatt-hours -141.6%
1971 0.0993 terawatt-hours -147.8%
1972 0.0481 terawatt-hours -51.6%
1973 -0.0836 terawatt-hours -273.8%
1974 0.6214 terawatt-hours -843.2%
1975 -0.223 terawatt-hours -135.9%
1976 0.1059 terawatt-hours -147.5%
1977 -0.3959 terawatt-hours -474.0%
1978 0.4148 terawatt-hours -204.8%
1979 0.4886 terawatt-hours +17.8%
1980 -0.3758 terawatt-hours -176.9%
1981 0.6773 terawatt-hours -280.2%
1982 -0.8823 terawatt-hours -230.3%
1983 0.5788 terawatt-hours -165.6%
1984 -0.296 terawatt-hours -151.1%
1985 1.19 terawatt-hours -500.9%
1986 -0.0751 terawatt-hours -106.3%
1987 0.8555 terawatt-hours -1239.3%
1988 -1.98 terawatt-hours -331.2%
1989 0.9767 terawatt-hours -149.4%
1990 1.72 terawatt-hours +76.1%
1991 -1.2 terawatt-hours -169.6%
1992 -0.3886 terawatt-hours -67.6%
1993 1.13 terawatt-hours -390.8%
1994 -1.88 terawatt-hours -266.5%
1995 0.4138 terawatt-hours -122.0%
1996 -0.3356 terawatt-hours -181.1%
1997 0.3896 terawatt-hours -216.1%
1998 1.47 terawatt-hours +276.1%
1999 -0.1202 terawatt-hours -108.2%
2000 -0.1497 terawatt-hours +24.6%
2001 -1.68 terawatt-hours +1021.9%
2002 0.9028 terawatt-hours -153.8%
2003 1.65 terawatt-hours +83.1%
2004 -0.5745 terawatt-hours -134.8%
2005 -0.6378 terawatt-hours +11.0%
2006 -0.2058 terawatt-hours -67.7%
2007 0.1641 terawatt-hours -179.8%
2008 -0.5615 terawatt-hours -442.2%
2009 -0.2569 terawatt-hours -54.2%
2010 0.8688 terawatt-hours -438.1%
2011 0.9157 terawatt-hours +5.4%
2012 -0.6286 terawatt-hours -168.7%
2013 0.3202 terawatt-hours -150.9%
2014 -1.54 terawatt-hours -580.2%
2015 -0.6057 terawatt-hours -60.6%
2016 0.7006 terawatt-hours -215.7%
2017 -0.0375 terawatt-hours -105.3%
2018 0.5506 terawatt-hours -1570.0%
2019 -0.5707 terawatt-hours -203.7%
2020 1.09 terawatt-hours -290.7%
2021 -0.8227 terawatt-hours -175.6%
2022 0.4867 terawatt-hours -159.2%
2023 0.1753 terawatt-hours -64.0%
2024 0.5839 terawatt-hours +233.2%
2025 -0.4949 terawatt-hours -184.8%

South Korea compared with similar countries

  • South Korea's -0.4949 terawatt-hours is below the median for high income countries, which is -0.1136 terawatt-hours, 4.4× the median. (47 countries reporting)
  • South Korea's -0.4949 terawatt-hours is below the median for East Asia & Pacific, which is 0.6909 terawatt-hours. (12 countries reporting)

Biggest year-on-year movements

Years where Annual change in primary energy from hydropower in South Korea 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
1969 +2206.7% -0.0237 terawatt-hours 0.499 terawatt-hours

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.1795 terawatt-hours -0.0322 terawatt-hours 0.499 terawatt-hours 4
1970s 0.0868 terawatt-hours -0.3959 terawatt-hours 0.6214 terawatt-hours 10
1980s 0.0668 terawatt-hours -1.98 terawatt-hours 1.19 terawatt-hours 10
1990s 0.1195 terawatt-hours -1.88 terawatt-hours 1.72 terawatt-hours 10
2000s -0.1346 terawatt-hours -1.68 terawatt-hours 1.65 terawatt-hours 10
2010s -0.0024 terawatt-hours -1.54 terawatt-hours 0.9157 terawatt-hours 10
2020s 0.1695 terawatt-hours -0.8227 terawatt-hours 1.09 terawatt-hours 6

Countries ranked near South Korea

  1. 51 Venezuela -0.199 terawatt-hours compare
  2. 52 Latvia -0.2504 terawatt-hours compare
  3. 53 Iceland -0.4471 terawatt-hours compare
  4. 55 Poland -0.588 terawatt-hours compare
  5. 56 Egypt -0.6183 terawatt-hours compare
  6. 57 Spain -0.6693 terawatt-hours compare

See the full ranking of 82 places →

More reference data data for South Korea

All data for South Korea →

Frequently asked questions

What is annual change in primary energy from hydropower in South Korea?
Annual change in primary energy from hydropower in South Korea was -0.4949 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 South Korea?
The highest recorded value was 1.72 terawatt-hours in 1990.
What is the lowest annual change in primary energy from hydropower recorded in South Korea?
The lowest recorded value was -1.98 terawatt-hours in 1988.
How does South Korea rank for annual change in primary energy from hydropower?
South Korea ranks 54th out of 80 countries with data for 2025.
Is annual change in primary energy from hydropower rising or falling in South Korea?
Over the last ten years it is up 18.3%. The long-run trend across the full record is volatile.
Where does this South Korea 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.

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Annual change in primary energy from hydropower in South Korea. 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/korea-rep/

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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.