Primary energy from nuclear in Romania

Romania: Primary energy from nuclear was 33.37 terawatt-hours in 2025. ◆ Volatile

Latest (2025)
33.37 terawatt-hours
Change on year
up 0.9%
World rank
25th
of 219 countries
All-time high
35.61 terawatt-hours
in 2009
All-time low
0 terawatt-hours
in 1965
Years of data
61
1965–2025

Primary energy from nuclear in Romania, 1965–2025

010203040196519952025

Source: Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

The most recent figure for primary energy from nuclear in Romania is 33.37 terawatt-hours, measured in 2025.

That represents a change of up 0.9% on the previous year and down 5.4% over ten years.

Over the whole period, primary energy from nuclear in Romania peaked at 35.61 terawatt-hours in 2009 and was at its lowest, 0 terawatt-hours, in 1965.

Romania ranks 25th of 219 countries on this measure, in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Primary energy from nuclear in Romania, year by year

Annual values for Primary energy from nuclear in Romania, 1965 to 2025.
Year terawatt-hours Change
1965 0 terawatt-hours
1966 0 terawatt-hours
1967 0 terawatt-hours
1968 0 terawatt-hours
1969 0 terawatt-hours
1970 0 terawatt-hours
1971 0 terawatt-hours
1972 0 terawatt-hours
1973 0 terawatt-hours
1974 0 terawatt-hours
1975 0 terawatt-hours
1976 0 terawatt-hours
1977 0 terawatt-hours
1978 0 terawatt-hours
1979 0 terawatt-hours
1980 0 terawatt-hours
1981 0 terawatt-hours
1982 0 terawatt-hours
1983 0 terawatt-hours
1984 0 terawatt-hours
1985 0 terawatt-hours
1986 0 terawatt-hours
1987 0 terawatt-hours
1988 0 terawatt-hours
1989 0 terawatt-hours
1990 0 terawatt-hours
1991 0 terawatt-hours
1992 0 terawatt-hours
1993 0 terawatt-hours
1994 0 terawatt-hours
1995 0 terawatt-hours
1996 4.2 terawatt-hours
1997 16.36 terawatt-hours +289.6%
1998 16.08 terawatt-hours -1.7%
1999 15.75 terawatt-hours -2.1%
2000 16.53 terawatt-hours +5.0%
2001 16.5 terawatt-hours -0.2%
2002 16.71 terawatt-hours +1.2%
2003 14.87 terawatt-hours -11.0%
2004 16.81 terawatt-hours +13.1%
2005 16.83 terawatt-hours +0.1%
2006 17.07 terawatt-hours +1.4%
2007 23.36 terawatt-hours +36.9%
2008 34.02 terawatt-hours +45.6%
2009 35.61 terawatt-hours +4.7%
2010 35.22 terawatt-hours -1.1%
2011 35.6 terawatt-hours +1.1%
2012 34.75 terawatt-hours -2.4%
2013 35.21 terawatt-hours +1.3%
2014 35.38 terawatt-hours +0.5%
2015 35.27 terawatt-hours -0.3%
2016 34.2 terawatt-hours -3.0%
2017 34.88 terawatt-hours +2.0%
2018 34.48 terawatt-hours -1.1%
2019 34.18 terawatt-hours -0.9%
2020 34.75 terawatt-hours +1.6%
2021 34.19 terawatt-hours -1.6%
2022 33.6 terawatt-hours -1.7%
2023 33.91 terawatt-hours +0.9%
2024 33.07 terawatt-hours -2.5%
2025 33.37 terawatt-hours +0.9%

Biggest year-on-year movements

Years where Primary energy from nuclear in Romania 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
1997 +289.6% 4.2 terawatt-hours 16.36 terawatt-hours
2008 +45.6% 23.36 terawatt-hours 34.02 terawatt-hours
2007 +36.9% 17.07 terawatt-hours 23.36 terawatt-hours

Averages by decade

DecadeAverage LowestHighest Years
1960s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 5
1970s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1980s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1990s 5.24 terawatt-hours 0 terawatt-hours 16.36 terawatt-hours 10
2000s 20.83 terawatt-hours 14.87 terawatt-hours 35.61 terawatt-hours 10
2010s 34.92 terawatt-hours 34.18 terawatt-hours 35.6 terawatt-hours 10
2020s 33.82 terawatt-hours 33.07 terawatt-hours 34.75 terawatt-hours 6

Countries ranked near Romania

  1. 22 Hungary 48.78 terawatt-hours compare
  2. 23 Brazil 47.87 terawatt-hours compare
  3. 24 Bulgaria 46.47 terawatt-hours compare
  4. 26 Argentina 32.61 terawatt-hours compare
  5. 27 South Africa 32.52 terawatt-hours compare
  6. 28 Mexico 30.62 terawatt-hours compare

See the full ranking of 221 places →

More energy & mining data for Romania

All data for Romania →

Frequently asked questions

What is primary energy from nuclear in Romania?
Primary energy from nuclear in Romania was 33.37 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 primary energy from nuclear recorded in Romania?
The highest recorded value was 35.61 terawatt-hours in 2009.
What is the lowest primary energy from nuclear recorded in Romania?
The lowest recorded value was 0 terawatt-hours in 1965.
How does Romania rank for primary energy from nuclear?
Romania ranks 25th out of 219 countries with data for 2025.
Is primary energy from nuclear rising or falling in Romania?
Over the last ten years it is down 5.4%. The long-run trend across the full record is volatile.
Where does this Romania 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 Primary energy from nuclear. Statizoid updates them automatically from the source API.

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Primary energy from nuclear in Romania. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://energy.statizoid.com/stat/primary-energy-nuclear/romania/

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About this data

Indicator
Primary energy from nuclear
Unit
terawatt-hours
Source
Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
221 places, 10,754 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.