Bulgaria vs Denmark: Annual change in primary energy from hydropower
Bulgaria
-0.0045 terawatt-hours
in 2025
Denmark
-0.0148 terawatt-hours
in 2025
Bulgaria rank
37th
Denmark rank
39th
Annual change in primary energy from hydropower over time
- Bulgaria
- Denmark
How they compare
Bulgaria currently reports -0.0045 terawatt-hours against -0.0148 terawatt-hours in Denmark, a difference of 0.0103 terawatt-hours.
The two have swapped places 30 times across 60 shared years of data; in 1966 it was Bulgaria ahead.
Bulgaria ranks 37th and Denmark ranks 39th of 80 countries.
Across the 7 decades both report, Bulgaria averaged higher in 3 and Denmark in 4.
Head to head by decade
| Decade | Bulgaria | Denmark | Difference | Ahead |
|---|---|---|---|---|
| 1960s | -0.0402 terawatt-hours | -0.0008 terawatt-hours | 0.0395 terawatt-hours | Denmark |
| 1970s | 0.1472 terawatt-hours | 0.0007 terawatt-hours | 0.1465 terawatt-hours | Bulgaria |
| 1980s | -0.062 terawatt-hours | -0.0006 terawatt-hours | 0.0614 terawatt-hours | Denmark |
| 1990s | 0.0041 terawatt-hours | 0.0008 terawatt-hours | 0.0033 terawatt-hours | Bulgaria |
| 2000s | 0.07 terawatt-hours | -0.0012 terawatt-hours | 0.0711 terawatt-hours | Bulgaria |
| 2010s | -0.0502 terawatt-hours | -0.0002 terawatt-hours | 0.05 terawatt-hours | Denmark |
| 2020s | -0.0245 terawatt-hours | -0.0015 terawatt-hours | 0.0229 terawatt-hours | Denmark |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from hydropower, Bulgaria or Denmark?
- Bulgaria, at -0.0045 terawatt-hours against -0.0148 terawatt-hours in Denmark as of 2025.
- What is the difference in annual change in primary energy from hydropower between Bulgaria and Denmark?
- 0.0103 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Denmark?
- 60 years are reported by both, from 1966 to 2025.
- How do Bulgaria and Denmark rank globally for annual change in primary energy from hydropower?
- Bulgaria ranks 37th and Denmark ranks 39th of 80 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual change in primary energy from hydropower. 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.