Iceland vs Switzerland: Electricity generation by source

Iceland
5.57 terawatt-hours
in 2024
Switzerland
1.04 terawatt-hours
in 2025
Iceland rank
8th
Switzerland rank
11th

Electricity generation by source over time

  • Iceland
  • Switzerland
0246196519952025

How they compare

Iceland currently reports 5.57 terawatt-hours against 1.04 terawatt-hours in Switzerland, a difference of 4.53 terawatt-hours.

That makes Iceland's figure about 5.4 times Switzerland's.

The two have swapped places 3 times across 57 shared years of data; in 1968 it was Switzerland ahead.

Iceland ranks 8th and Switzerland ranks 11th of 214 countries.

Across the 7 decades both report, Iceland averaged higher in 4 and Switzerland in 3.

Head to head by decade

Decade Iceland Switzerland Difference Ahead
1960s 0.001 terawatt-hours 0 terawatt-hours 0.001 terawatt-hours Iceland
1970s 0.0193 terawatt-hours 0.0385 terawatt-hours 0.0192 terawatt-hours Switzerland
1980s 0.1793 terawatt-hours 0.414 terawatt-hours 0.2347 terawatt-hours Switzerland
1990s 0.4085 terawatt-hours 0.5684 terawatt-hours 0.1599 terawatt-hours Switzerland
2000s 2.35 terawatt-hours 0.79 terawatt-hours 1.56 terawatt-hours Iceland
2010s 5.15 terawatt-hours 1.08 terawatt-hours 4.07 terawatt-hours Iceland
2020s 5.79 terawatt-hours 1.09 terawatt-hours 4.7 terawatt-hours Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher electricity generation by source, Iceland or Switzerland?
Iceland, at 5.57 terawatt-hours against 1.04 terawatt-hours in Switzerland as of 2024.
What is the difference in electricity generation by source between Iceland and Switzerland?
4.53 terawatt-hours, with Iceland ahead.
How many years of comparable data are there for Iceland and Switzerland?
57 years are reported by both, from 1968 to 2024.
How do Iceland and Switzerland rank globally for electricity generation by source?
Iceland ranks 8th and Switzerland ranks 11th of 214 countries.
Where does this data come from?
Ember (2026); Pinto et al. (2023); Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Electricity generation by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Electricity generation by source
Unit
terawatt-hours
Source
Ember (2026); Pinto et al. (2023); 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
216 places, 7,365 data points, 1920–2025
Last refreshed

Measured in terawatt-hours.