CIS (EI) vs South Korea: Electricity generation from nuclear

CIS (EI)
238.54 terawatt-hours
in 2025
South Korea
184.67 terawatt-hours
in 2025
CIS (EI) rank
2nd
South Korea rank
5th

Electricity generation from nuclear over time

  • CIS (EI)
  • South Korea
050100150200250196519952025

How they compare

CIS (EI) currently reports 238.54 terawatt-hours against 184.67 terawatt-hours in South Korea, a difference of 53.87 terawatt-hours.

That makes CIS (EI)'s figure about 1.3 times South Korea's.

Across all 61 years both countries report, CIS (EI) has been ahead every year.

CIS (EI) ranks 2nd and South Korea ranks 5th of 2 groups.

CIS (EI) has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade CIS (EI) South Korea Difference Ahead
1960s 2.59 terawatt-hours 0 terawatt-hours 2.59 terawatt-hours CIS (EI)
1970s 28.53 terawatt-hours 0.5548 terawatt-hours 27.97 terawatt-hours CIS (EI)
1980s 113.54 terawatt-hours 20.27 terawatt-hours 93.27 terawatt-hours CIS (EI)
1990s 112.79 terawatt-hours 69.33 terawatt-hours 43.46 terawatt-hours CIS (EI)
2000s 152.03 terawatt-hours 133.78 terawatt-hours 18.25 terawatt-hours CIS (EI)
2010s 190.72 terawatt-hours 150.34 terawatt-hours 40.37 terawatt-hours CIS (EI)
2020s 230.84 terawatt-hours 174.69 terawatt-hours 56.14 terawatt-hours CIS (EI)

Averages of every year both report within each decade.

Frequently asked questions

Which has higher electricity generation from nuclear, CIS (EI) or South Korea?
CIS (EI), at 238.54 terawatt-hours against 184.67 terawatt-hours in South Korea as of 2025.
What is the difference in electricity generation from nuclear between CIS (EI) and South Korea?
53.87 terawatt-hours, with CIS (EI) ahead.
How many years of comparable data are there for CIS (EI) and South Korea?
61 years are reported by both, from 1965 to 2025.
How do CIS (EI) and South Korea rank globally for electricity generation from nuclear?
CIS (EI) ranks 2nd and South Korea ranks 5th of 2 groups.
Where does this data come from?
Ember (2026) and other sources – with major processing by Our World in Data, published as Electricity generation from nuclear. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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CIS (EI) vs South Korea: Electricity generation from nuclear. Statizoid, drawing on Ember (2026) and other sources – with major processing by Our World in Data. Retrieved 23 September 2026, from https://energy.statizoid.com/compare/nuclear-energy-generation/cis-ei/korea-rep/

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<a href="https://energy.statizoid.com/compare/nuclear-energy-generation/cis-ei/korea-rep/">CIS (EI) vs South Korea: Electricity generation from nuclear</a> β€” Statizoid

About this data

Indicator
Electricity generation from nuclear
Unit
terawatt-hours
Source
Ember (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
211 places, 8,460 data points, 1920–2025
Last refreshed

Measured in terawatt-hours.