Share of primary energy from nuclear in Romania

Romania: Share of primary energy from nuclear was 10.5% in 2025. ◆ Volatile

Latest (2025)
10.5%
Change on year
up 2.7%
World rank
15th
of 215 countries
All-time high
10.6%
in 2023
All-time low
0.0%
in 1965
Years of data
61
1965–2025

Share of primary energy from nuclear in Romania, 1965–2025

02.557.510196519952025

Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.

Analysis

In 2025, share of primary energy from nuclear in Romania stood at 10.5%.

Compared with earlier readings it is up 2.7% on the previous year and up 2.4% over ten years.

Over the whole period, share of primary energy from nuclear in Romania peaked at 10.6% in 2023 and was at its lowest, 0.0%, in 1965.

That places Romania 15th out of 215 countries with data for 2025, putting it in the top 10%.

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

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.0% 0.0% 0.0% 5
1970s 0.0% 0.0% 0.0% 10
1980s 0.0% 0.0% 0.0% 10
1990s 1.2% 0.0% 4.0% 10
2000s 5.1% 3.4% 9.7% 10
2010s 9.9% 9.3% 10.3% 10
2020s 10.3% 9.6% 10.6% 6

Countries ranked near Romania

  1. 12 South Korea 15.5% compare
  2. 13 Belgium 11.8% compare
  3. 14 Spain 11.4% compare
  4. 16 United States 9.6% compare
  5. 17 Pakistan 8.3% compare
  6. 18 United Arab Emirates 8.1% compare

See the full ranking of 218 places →

More energy & mining data for Romania

All data for Romania →

Frequently asked questions

What is share of primary energy from nuclear in Romania?
Share of primary energy from nuclear in Romania was 10.5% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
What is the highest share of primary energy from nuclear recorded in Romania?
The highest recorded value was 10.6% in 2023.
What is the lowest share of primary energy from nuclear recorded in Romania?
The lowest recorded value was 0.0% in 1965.
How does Romania rank for share of primary energy from nuclear?
Romania ranks 15th out of 215 countries with data for 2025.
Is share of primary energy from nuclear rising or falling in Romania?
Over the last ten years it is up 2.4%. 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); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from nuclear. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of primary energy from nuclear
Unit
%
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
218 places, 10,361 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.