Denmark vs Ireland: Year-to-year change in primary energy use by source
Denmark
0.7145 terawatt-hours
in 2025
Ireland
0.5816 terawatt-hours
in 2025
Denmark rank
45th
Ireland rank
47th
Year-to-year change in primary energy use by source over time
- Denmark
- Ireland
How they compare
Denmark currently reports 0.7145 terawatt-hours against 0.5816 terawatt-hours in Ireland, a difference of 0.1329 terawatt-hours.
That makes Denmark's figure about 1.2 times Ireland's.
The two have swapped places 7 times across 60 shared years of data; in 1966 it was Ireland ahead.
Denmark ranks 45th and Ireland ranks 47th of 79 countries.
Denmark has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Denmark | Ireland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1990s | 0.0001 terawatt-hours | 0 terawatt-hours | 0.0001 terawatt-hours | Denmark |
| 2000s | 0.0003 terawatt-hours | 0 terawatt-hours | 0.0002 terawatt-hours | Denmark |
| 2010s | 0.096 terawatt-hours | 0.0033 terawatt-hours | 0.0926 terawatt-hours | Denmark |
| 2020s | 0.5879 terawatt-hours | 0.2735 terawatt-hours | 0.3144 terawatt-hours | Denmark |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher year-to-year change in primary energy use by source, Denmark or Ireland?
- Denmark, at 0.7145 terawatt-hours against 0.5816 terawatt-hours in Ireland as of 2025.
- What is the difference in year-to-year change in primary energy use by source between Denmark and Ireland?
- 0.1329 terawatt-hours, with Denmark ahead.
- How many years of comparable data are there for Denmark and Ireland?
- 60 years are reported by both, from 1966 to 2025.
- How do Denmark and Ireland rank globally for year-to-year change in primary energy use by source?
- Denmark ranks 45th and Ireland ranks 47th of 79 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 Year-to-year change in 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
Change in total energy supply relative to the previous year, measured in terawatt-hours.