Iceland vs Switzerland: Primary energy use by source
Iceland
0.9184 terawatt-hours
in 2025
Switzerland
0.5228 terawatt-hours
in 2025
Iceland rank
66th
Switzerland rank
69th
Primary energy use by source over time
- Iceland
- Switzerland
How they compare
Iceland currently reports 0.9184 terawatt-hours against 0.5228 terawatt-hours in Switzerland, a difference of 0.3956 terawatt-hours.
That makes Iceland's figure about 1.8 times Switzerland's.
The two have swapped places 3 times across 61 shared years of data; in 1965 it was Switzerland ahead.
Iceland ranks 66th and Switzerland ranks 69th of 78 countries.
Across the 7 decades both report, Iceland averaged higher in 1 and Switzerland in 6.
Head to head by decade
| Decade | Iceland | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0466 terawatt-hours | 11.21 terawatt-hours | 11.17 terawatt-hours | Switzerland |
| 1970s | 0.0237 terawatt-hours | 3.81 terawatt-hours | 3.79 terawatt-hours | Switzerland |
| 1980s | 0.6377 terawatt-hours | 4.91 terawatt-hours | 4.27 terawatt-hours | Switzerland |
| 1990s | 0.711 terawatt-hours | 2.15 terawatt-hours | 1.44 terawatt-hours | Switzerland |
| 2000s | 1.16 terawatt-hours | 1.7 terawatt-hours | 0.5325 terawatt-hours | Switzerland |
| 2010s | 1.21 terawatt-hours | 1.42 terawatt-hours | 0.2136 terawatt-hours | Switzerland |
| 2020s | 1.13 terawatt-hours | 0.8709 terawatt-hours | 0.2638 terawatt-hours | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use by source, Iceland or Switzerland?
- Iceland, at 0.9184 terawatt-hours against 0.5228 terawatt-hours in Switzerland as of 2025.
- What is the difference in primary energy use by source between Iceland and Switzerland?
- 0.3956 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Iceland and Switzerland?
- 61 years are reported by both, from 1965 to 2025.
- How do Iceland and Switzerland rank globally for primary energy use by source?
- Iceland ranks 66th and Switzerland ranks 69th of 78 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy use by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.