Portugal vs Switzerland: Solar energy generation by region
Portugal
8.73 terawatt-hours
in 2025
Switzerland
8.09 terawatt-hours
in 2025
Portugal rank
32nd
Switzerland rank
33rd
Solar energy generation by region over time
- Portugal
- Switzerland
How they compare
Portugal currently reports 8.73 terawatt-hours against 8.09 terawatt-hours in Switzerland, a difference of 0.64 terawatt-hours.
That makes Portugal's figure about 1.1 times Switzerland's.
The two have swapped places 5 times across 61 shared years of data; in 1965 it was Switzerland ahead.
Portugal ranks 32nd and Switzerland ranks 33rd of 79 countries.
Across the 7 decades both report, Portugal averaged higher in 2 and Switzerland in 3.
Head to head by decade
| Decade | Portugal | Switzerland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0.0001 terawatt-hours | 0 terawatt-hours | 0.0001 terawatt-hours | Portugal |
| 1990s | 0.0004 terawatt-hours | 0.0053 terawatt-hours | 0.0049 terawatt-hours | Switzerland |
| 2000s | 0.0244 terawatt-hours | 0.024 terawatt-hours | 0.0004 terawatt-hours | Portugal |
| 2010s | 0.6954 terawatt-hours | 1.02 terawatt-hours | 0.3207 terawatt-hours | Switzerland |
| 2020s | 4.74 terawatt-hours | 4.78 terawatt-hours | 0.0387 terawatt-hours | Switzerland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher solar energy generation by region, Portugal or Switzerland?
- Portugal, at 8.73 terawatt-hours against 8.09 terawatt-hours in Switzerland as of 2025.
- What is the difference in solar energy generation by region between Portugal and Switzerland?
- 0.64 terawatt-hours, with Portugal ahead.
- How many years of comparable data are there for Portugal and Switzerland?
- 61 years are reported by both, from 1965 to 2025.
- How do Portugal and Switzerland rank globally for solar energy generation by region?
- Portugal ranks 32nd and Switzerland ranks 33rd of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Solar energy generation by region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.