Annual percentage change in primary energy from hydropower in Romania
Romania: Annual percentage change in primary energy from hydropower was -14.5% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in Romania, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
Romania recorded -14.5% for annual percentage change in primary energy from hydropower in 2025.
The figure is up 33.3% on the previous year and down 42.2% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in Romania peaked at 63.4% in 1972 and was at its lowest, -25.9%, in 2011.
That places Romania 47th out of 68 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 23.3% | 3.0% | 42.6% | 4 |
| 1970s | 19.8% | -13.4% | 63.4% | 10 |
| 1980s | 2.8% | -15.3% | 31.8% | 10 |
| 1990s | 4.1% | -19.8% | 28.0% | 10 |
| 2000s | -0.5% | -19.2% | 24.5% | 10 |
| 2010s | 2.0% | -25.9% | 28.0% | 10 |
| 2020s | -2.4% | -21.7% | 29.8% | 6 |
Countries ranked near Romania
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Frequently asked questions
- What is annual percentage change in primary energy from hydropower in Romania?
- Annual percentage change in primary energy from hydropower in Romania was -14.5% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from hydropower recorded in Romania?
- The highest recorded value was 63.4% in 1972.
- What is the lowest annual percentage change in primary energy from hydropower recorded in Romania?
- The lowest recorded value was -25.9% in 2011.
- How does Romania rank for annual percentage change in primary energy from hydropower?
- Romania ranks 47th out of 68 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in Romania?
- Over the last ten years it is down 42.2%. The long-run trend across the full record is volatile.
- Where does this Romania data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from hydropower. Statizoid updates them automatically from the source API.
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About this data
Percentage change in total energy supply relative to the previous year.