Annual percentage change in primary energy from hydropower in Italy
Italy: Annual percentage change in primary energy from hydropower was -22.0% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in Italy, 1966–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, annual percentage change in primary energy from hydropower in Italy stood at -22.0%.
That represents a change of down 170.8% on the previous year and up 0.8% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in Italy peaked at 42.7% in 2023 and was at its lowest, -37.4%, in 2022.
That places Italy 54th out of 71 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from hydropower in Italy, year by year
| Year | % | Change |
|---|---|---|
| 1966 | 2.5% | — |
| 1967 | -3.2% | -223.9% |
| 1968 | 0.8% | -125.2% |
| 1969 | -3.5% | -544.8% |
| 1970 | -1.9% | -45.6% |
| 1971 | -3.2% | +66.4% |
| 1972 | 5.8% | -281.2% |
| 1973 | -9.3% | -259.3% |
| 1974 | 0.7% | -107.8% |
| 1975 | 8.5% | +1077.5% |
| 1976 | -4.5% | -152.7% |
| 1977 | 30.5% | -778.9% |
| 1978 | -11.0% | -136.2% |
| 1979 | 1.0% | -109.1% |
| 1980 | -1.5% | -252.6% |
| 1981 | -4.9% | +219.2% |
| 1982 | -3.7% | -25.2% |
| 1983 | -0.0% | -98.9% |
| 1984 | 2.3% | -6077.7% |
| 1985 | -3.1% | -233.8% |
| 1986 | 0.0% | -100.3% |
| 1987 | -3.9% | -39855.1% |
| 1988 | 3.0% | -176.6% |
| 1989 | -16.3% | -649.0% |
| 1990 | -7.1% | -56.1% |
| 1991 | 33.6% | -570.1% |
| 1992 | -0.1% | -100.3% |
| 1993 | -1.8% | +1888.9% |
| 1994 | 7.8% | -525.0% |
| 1995 | -15.4% | -297.3% |
| 1996 | 11.3% | -173.1% |
| 1997 | -1.0% | -109.2% |
| 1998 | -0.9% | -10.8% |
| 1999 | 10.1% | -1192.3% |
| 2000 | -2.6% | -125.5% |
| 2001 | 5.9% | -330.0% |
| 2002 | -15.6% | -363.7% |
| 2003 | -7.2% | -53.7% |
| 2004 | 15.5% | -314.4% |
| 2005 | -14.8% | -195.8% |
| 2006 | 2.6% | -117.4% |
| 2007 | -11.3% | -539.5% |
| 2008 | 26.8% | -337.6% |
| 2009 | 18.1% | -32.7% |
| 2010 | 4.0% | -77.7% |
| 2011 | -10.4% | -357.2% |
| 2012 | -8.6% | -16.8% |
| 2013 | 26.0% | -402.1% |
| 2014 | 10.9% | -58.0% |
| 2015 | -22.2% | -303.2% |
| 2016 | -6.8% | -69.3% |
| 2017 | -14.7% | +115.4% |
| 2018 | 34.9% | -337.4% |
| 2019 | -5.1% | -114.5% |
| 2020 | 2.8% | -154.5% |
| 2021 | -4.7% | -271.1% |
| 2022 | -37.4% | +694.0% |
| 2023 | 42.7% | -214.0% |
| 2024 | 31.1% | -27.1% |
| 2025 | -22.0% | -170.8% |
Italy compared with similar countries
- Italy's -22.0% is below the median for high income countries, which is -12.6%, 1.7× the median. (38 countries reporting)
- Italy's -22.0% is below the median for Europe & Central Asia, which is -13.7%, 1.6× the median. (38 countries reporting)
Biggest year-on-year movements
Years where Annual percentage change in primary energy from hydropower in Italy changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1987 | -39855.1% | 0.0% | -3.9% |
| 1984 | +6077.7% | -0.0% | 2.3% |
| 1993 | -1888.9% | -0.1% | -1.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -0.8% | -3.5% | 2.5% | 4 |
| 1970s | 1.7% | -11.0% | 30.5% | 10 |
| 1980s | -2.8% | -16.3% | 3.0% | 10 |
| 1990s | 3.6% | -15.4% | 33.6% | 10 |
| 2000s | 1.7% | -15.6% | 26.8% | 10 |
| 2010s | 0.8% | -22.2% | 34.9% | 10 |
| 2020s | 2.1% | -37.4% | 42.7% | 6 |
Countries ranked near Italy
More reference data data for Italy
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 2.5 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 1.48 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 8.94 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.927 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 8.94 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 8.37 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 5.21 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 6.51 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 41.74 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 5.05 (2050)
Frequently asked questions
- What is annual percentage change in primary energy from hydropower in Italy?
- Annual percentage change in primary energy from hydropower in Italy was -22.0% in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from hydropower recorded in Italy?
- The highest recorded value was 42.7% in 2023.
- What is the lowest annual percentage change in primary energy from hydropower recorded in Italy?
- The lowest recorded value was -37.4% in 2022.
- How does Italy rank for annual percentage change in primary energy from hydropower?
- Italy ranks 54th out of 71 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in Italy?
- Over the last ten years it is up 0.8%. The long-run trend across the full record is volatile.
- Where does this Italy data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026) – 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.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Percentage change in total energy supply relative to the previous year.