Portugal vs Switzerland: Annual change in primary energy from solar
Portugal
1.64 terawatt-hours
in 2025
Switzerland
2.12 terawatt-hours
in 2025
Portugal rank
26th
Switzerland rank
23rd
Annual change in primary energy from solar over time
- Portugal
- Switzerland
How they compare
Switzerland currently reports 2.12 terawatt-hours against 1.64 terawatt-hours in Portugal, a difference of 0.48 terawatt-hours.
That makes Switzerland's figure about 1.3 times Portugal's.
The two have swapped places 10 times across 60 shared years of data; in 1966 it was Switzerland ahead.
Portugal ranks 26th and Switzerland ranks 23rd of 80 countries.
Across the 7 decades both report, Portugal averaged higher in 3 and Switzerland in 2.
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 terawatt-hours | 0.001 terawatt-hours | 0.001 terawatt-hours | Switzerland |
| 2000s | 0.0159 terawatt-hours | 0.0044 terawatt-hours | 0.0115 terawatt-hours | Portugal |
| 2010s | 0.1182 terawatt-hours | 0.2124 terawatt-hours | 0.0942 terawatt-hours | Switzerland |
| 2020s | 1.23 terawatt-hours | 0.9847 terawatt-hours | 0.247 terawatt-hours | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from solar, Portugal or Switzerland?
- Switzerland, at 2.12 terawatt-hours against 1.64 terawatt-hours in Portugal as of 2025.
- What is the difference in annual change in primary energy from solar between Portugal and Switzerland?
- 0.48 terawatt-hours, with Switzerland ahead.
- How many years of comparable data are there for Portugal and Switzerland?
- 60 years are reported by both, from 1966 to 2025.
- How do Portugal and Switzerland rank globally for annual change in primary energy from solar?
- Portugal ranks 26th and Switzerland ranks 23rd of 80 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 Annual change in primary energy from solar. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.