Japan vs South Korea: Electricity generation from fossil fuels, nuclear and renewables

Japan

693.04 terawatt-hours

in 2025

South Korea

375.06 terawatt-hours

in 2025

Japan rank

5th

South Korea rank

7th

Electricity generation from fossil fuels, nuclear and renewables over time

Japan currently reports 693.04 terawatt-hours against 375.06 terawatt-hours in South Korea, a difference of 317.98 terawatt-hours.

That makes Japan's figure about 1.8 times South Korea's.

Across all 41 years both countries report, Japan has been ahead every year.

Japan ranks 5th and South Korea ranks 7th of 208 countries.

Indicator: Electricity generation from fossil fuels, nuclear and renewables
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: 210 places, 6,017 data points, 1920–2025
Last refreshed: 07 August 2026

Electricity generation from coal, oil, and gas, measured in terawatt-hours.