Year-to-year change in primary energy use by source in OECD (EI)
OECD (EI): Year-to-year change in primary energy use by source was 197.12 terawatt-hours in 2025. ◆ Volatile
Year-to-year change in primary energy use by source in OECD (EI), 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
OECD (EI) recorded 197.12 terawatt-hours for year-to-year change in primary energy use by source in 2025. That is the highest value across all 60 years on record.
That represents a change of up 35.4% on the previous year and up 448.3% over ten years.
Over the whole period, year-to-year change in primary energy use by source in OECD (EI) peaked at 197.12 terawatt-hours in 2025 and was at its lowest, -0.0396 terawatt-hours, in 1992.
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 | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 4 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0.0262 terawatt-hours | -0.0046 terawatt-hours | 0.252 terawatt-hours | 10 |
| 1990s | 0.062 terawatt-hours | -0.0396 terawatt-hours | 0.124 terawatt-hours | 10 |
| 2000s | 1.96 terawatt-hours | 0.1323 terawatt-hours | 8.16 terawatt-hours | 10 |
| 2010s | 35.49 terawatt-hours | 12.14 terawatt-hours | 51.04 terawatt-hours | 10 |
| 2020s | 121.85 terawatt-hours | 74.31 terawatt-hours | 197.12 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 year-to-year change in primary energy use by source in OECD (EI)?
- Year-to-year change in primary energy use by source in OECD (EI) was 197.12 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 year-to-year change in primary energy use by source recorded in OECD (EI)?
- The highest recorded value was 197.12 terawatt-hours in 2025.
- What is the lowest year-to-year change in primary energy use by source recorded in OECD (EI)?
- The lowest recorded value was -0.0396 terawatt-hours in 1992.
- How does OECD (EI) rank for year-to-year change in primary energy use by source?
- OECD (EI) ranks 1st out of 3 groups with data for 2025.
- Is year-to-year change in primary energy use by source rising or falling in OECD (EI)?
- Over the last ten years it is up 448.3%. The long-run trend across the full record is volatile.
- 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 Year-to-year change in primary energy use by source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.