Primary energy use by source in OECD (EI)
OECD (EI): Primary energy use by source was 6,808 terawatt-hours in 2025. ▬ Flat
Primary energy use by source in OECD (EI), 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy use by source in OECD (EI) is 6,808 terawatt-hours, measured in 2025.
Compared with earlier readings it is up 0.8% on the previous year and down 39.1% over ten years.
Over the whole period, primary energy use by source in OECD (EI) peaked at 13,720 terawatt-hours in 2007 and was at its lowest, 6,752 terawatt-hours, in 2024.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 10,163 terawatt-hours | 9,964 terawatt-hours | 10,314 terawatt-hours | 5 |
| 1970s | 10,061 terawatt-hours | 9,554 terawatt-hours | 10,902 terawatt-hours | 10 |
| 1980s | 12,085 terawatt-hours | 11,267 terawatt-hours | 13,015 terawatt-hours | 10 |
| 1990s | 12,347 terawatt-hours | 12,045 terawatt-hours | 12,687 terawatt-hours | 10 |
| 2000s | 13,137 terawatt-hours | 12,063 terawatt-hours | 13,720 terawatt-hours | 10 |
| 2010s | 11,292 terawatt-hours | 9,009 terawatt-hours | 12,795 terawatt-hours | 10 |
| 2020s | 7,472 terawatt-hours | 6,752 terawatt-hours | 8,396 terawatt-hours | 6 |
Countries ranked near OECD (EI)
More energy & mining data for OECD (EI)
- Gas production 16,830 terawatt-hours (2025)
- Fossil fuel production by fuel 16,830 terawatt-hours (2025)
- Share of electricity generation from fossil fuels 47.5% (2025)
- Primary energy from fossil fuels, nuclear, and renewables 9.3% (2025)
- Gas consumption 18,113 terawatt-hours (2025)
- Fossil fuel consumption by fuel 18,113 terawatt-hours (2025)
- Electricity generation from nuclear 1,879 terawatt-hours (2025)
- Share of primary energy from nuclear 9.3% (2025)
- Coal production 7,718 terawatt-hours (2025)
- Annual change in primary energy use 478.07 terawatt-hours (2025)
Frequently asked questions
- What is primary energy use by source in OECD (EI)?
- Primary energy use by source in OECD (EI) was 6,808 terawatt-hours 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 primary energy use by source recorded in OECD (EI)?
- The highest recorded value was 13,720 terawatt-hours in 2007.
- What is the lowest primary energy use by source recorded in OECD (EI)?
- The lowest recorded value was 6,752 terawatt-hours in 2024.
- How does OECD (EI) rank for primary energy use by source?
- OECD (EI) ranks 1st out of 3 groups with data for 2025.
- Is primary energy use by source rising or falling in OECD (EI)?
- Over the last ten years it is down 39.1%. The long-run trend across the full record is flat.
- Where does this OECD (EI) 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 Primary energy use by source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.