Ireland vs Portugal: Fossil fuel supply by source
Ireland
48.68 terawatt-hours
in 2025
Portugal
40.88 terawatt-hours
in 2025
Ireland rank
57th
Portugal rank
60th
Fossil fuel supply by source over time
- Ireland
- Portugal
How they compare
Ireland currently reports 48.68 terawatt-hours against 40.88 terawatt-hours in Portugal, a difference of 7.8 terawatt-hours.
That makes Ireland's figure about 1.2 times Portugal's.
The two have swapped places 6 times across 30 shared years of data; in 1996 it was Ireland ahead.
Ireland ranks 57th and Portugal ranks 60th of 77 countries.
Across the 4 decades both report, Ireland averaged higher in 3 and Portugal in 1.
Head to head by decade
| Decade | Ireland | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 32.69 terawatt-hours | 7.88 terawatt-hours | 24.81 terawatt-hours | Ireland |
| 2000s | 44.77 terawatt-hours | 37.19 terawatt-hours | 7.58 terawatt-hours | Ireland |
| 2010s | 48.6 terawatt-hours | 51.61 terawatt-hours | 3.01 terawatt-hours | Portugal |
| 2020s | 50.45 terawatt-hours | 49.47 terawatt-hours | 0.9866 terawatt-hours | Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher fossil fuel supply by source, Ireland or Portugal?
- Ireland, at 48.68 terawatt-hours against 40.88 terawatt-hours in Portugal as of 2025.
- What is the difference in fossil fuel supply by source between Ireland and Portugal?
- 7.8 terawatt-hours, with Ireland ahead.
- How many years of comparable data are there for Ireland and Portugal?
- 30 years are reported by both, from 1996 to 2025.
- How do Ireland and Portugal rank globally for fossil fuel supply by source?
- Ireland ranks 57th and Portugal ranks 60th of 77 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data, published as Fossil fuel supply 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.