Iceland vs Romania: Annual change in primary energy from renewables
Iceland
-3.99 terawatt-hours
in 2025
Romania
-0.9819 terawatt-hours
in 2025
Iceland rank
70th
Romania rank
67th
Annual change in primary energy from renewables over time
- Iceland
- Romania
How they compare
Romania currently reports -0.9819 terawatt-hours against -3.99 terawatt-hours in Iceland, a difference of 3.01 terawatt-hours.
The two have swapped places 30 times across 60 shared years of data; in 1966 it was Romania ahead.
Iceland ranks 70th and Romania ranks 67th of 77 countries.
Across the 7 decades both report, Iceland averaged higher in 4 and Romania in 3.
Head to head by decade
| Decade | Iceland | Romania | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.0596 terawatt-hours | 0.303 terawatt-hours | 0.2434 terawatt-hours | Romania |
| 1970s | 0.2396 terawatt-hours | 0.9122 terawatt-hours | 0.6726 terawatt-hours | Romania |
| 1980s | 0.3513 terawatt-hours | 0.2339 terawatt-hours | 0.1174 terawatt-hours | Iceland |
| 1990s | 1.07 terawatt-hours | 0.4612 terawatt-hours | 0.6063 terawatt-hours | Iceland |
| 2000s | 4.04 terawatt-hours | -0.2244 terawatt-hours | 4.26 terawatt-hours | Iceland |
| 2010s | 1.6 terawatt-hours | 1.39 terawatt-hours | 0.2125 terawatt-hours | Iceland |
| 2020s | -0.6749 terawatt-hours | -0.0639 terawatt-hours | 0.611 terawatt-hours | Romania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from renewables, Iceland or Romania?
- Romania, at -0.9819 terawatt-hours against -3.99 terawatt-hours in Iceland as of 2025.
- What is the difference in annual change in primary energy from renewables between Iceland and Romania?
- 3.01 terawatt-hours, with Romania ahead.
- How many years of comparable data are there for Iceland and Romania?
- 60 years are reported by both, from 1966 to 2025.
- How do Iceland and Romania rank globally for annual change in primary energy from renewables?
- Iceland ranks 70th and Romania ranks 67th of 77 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 renewables. 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.