Carbon intensity of energy in Saint Helena
Saint Helena: Carbon intensity of energy was 257.21 grams of CO₂ per kilowatt-hour in 2024. ◆ Volatile
Latest (2024)
257.21 grams of CO₂ per kilowatt-hour
Change on year
up 3.8%
World rank
41st
of 204 countries
All-time high
863.47 grams of CO₂ per kilowatt-hour
in 1993
All-time low
141.45 grams of CO₂ per kilowatt-hour
in 1987
Years of data
44
1981–2024
Carbon intensity of energy in Saint Helena, 1981–2024
Source: Global Carbon Budget (2025) and other sources – with major processing by Our World in Data. Measured in grams of CO₂ per kilowatt-hour.
Analysis
In 2024, carbon intensity of energy in Saint Helena stood at 257.21 grams of CO₂ per kilowatt-hour.
The figure is up 3.8% on the previous year and up 1.0% over ten years.
Over the whole period, carbon intensity of energy in Saint Helena peaked at 863.47 grams of CO₂ per kilowatt-hour in 1993 and was at its lowest, 141.45 grams of CO₂ per kilowatt-hour, in 1987.
That places Saint Helena 41st out of 204 countries with data for 2024, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Carbon intensity of energy in Saint Helena, year by year
| Year | grams of CO₂ per kilowatt-hour | Change |
|---|---|---|
| 1981 | 588.02 grams of CO₂ per kilowatt-hour | — |
| 1982 | 294.01 grams of CO₂ per kilowatt-hour | -50.0% |
| 1983 | 294.01 grams of CO₂ per kilowatt-hour | +0.0% |
| 1984 | 293.21 grams of CO₂ per kilowatt-hour | -0.3% |
| 1985 | 287.68 grams of CO₂ per kilowatt-hour | -1.9% |
| 1986 | 287.82 grams of CO₂ per kilowatt-hour | +0.0% |
| 1987 | 141.45 grams of CO₂ per kilowatt-hour | -50.9% |
| 1988 | 282.86 grams of CO₂ per kilowatt-hour | +100.0% |
| 1989 | 282.89 grams of CO₂ per kilowatt-hour | +0.0% |
| 1990 | 282.89 grams of CO₂ per kilowatt-hour | +0.0% |
| 1991 | 575.65 grams of CO₂ per kilowatt-hour | +103.5% |
| 1992 | 575.48 grams of CO₂ per kilowatt-hour | -0.0% |
| 1993 | 863.47 grams of CO₂ per kilowatt-hour | +50.0% |
| 1994 | 863.47 grams of CO₂ per kilowatt-hour | +0.0% |
| 1995 | 863.47 grams of CO₂ per kilowatt-hour | +0.0% |
| 1996 | 863.22 grams of CO₂ per kilowatt-hour | -0.0% |
| 1997 | 863.47 grams of CO₂ per kilowatt-hour | +0.0% |
| 1998 | 863.47 grams of CO₂ per kilowatt-hour | +0.0% |
| 1999 | 863.12 grams of CO₂ per kilowatt-hour | -0.0% |
| 2000 | 213.66 grams of CO₂ per kilowatt-hour | -75.2% |
| 2001 | 213.97 grams of CO₂ per kilowatt-hour | +0.1% |
| 2002 | 205.19 grams of CO₂ per kilowatt-hour | -4.1% |
| 2003 | 207.4 grams of CO₂ per kilowatt-hour | +1.1% |
| 2004 | 211.82 grams of CO₂ per kilowatt-hour | +2.1% |
| 2005 | 254.57 grams of CO₂ per kilowatt-hour | +20.2% |
| 2006 | 276.4 grams of CO₂ per kilowatt-hour | +8.6% |
| 2007 | 218.15 grams of CO₂ per kilowatt-hour | -21.1% |
| 2008 | 268.05 grams of CO₂ per kilowatt-hour | +22.9% |
| 2009 | 285.06 grams of CO₂ per kilowatt-hour | +6.3% |
| 2010 | 251.44 grams of CO₂ per kilowatt-hour | -11.8% |
| 2011 | 257 grams of CO₂ per kilowatt-hour | +2.2% |
| 2012 | 232 grams of CO₂ per kilowatt-hour | -9.7% |
| 2013 | 241.86 grams of CO₂ per kilowatt-hour | +4.2% |
| 2014 | 254.78 grams of CO₂ per kilowatt-hour | +5.3% |
| 2015 | 279.9 grams of CO₂ per kilowatt-hour | +9.9% |
| 2016 | 370.43 grams of CO₂ per kilowatt-hour | +32.3% |
| 2017 | 259.83 grams of CO₂ per kilowatt-hour | -29.9% |
| 2018 | 215.64 grams of CO₂ per kilowatt-hour | -17.0% |
| 2019 | 256.11 grams of CO₂ per kilowatt-hour | +18.8% |
| 2020 | 246.91 grams of CO₂ per kilowatt-hour | -3.6% |
| 2021 | 195.15 grams of CO₂ per kilowatt-hour | -21.0% |
| 2022 | 250.44 grams of CO₂ per kilowatt-hour | +28.3% |
| 2023 | 247.71 grams of CO₂ per kilowatt-hour | -1.1% |
| 2024 | 257.21 grams of CO₂ per kilowatt-hour | +3.8% |
Biggest year-on-year movements
Years where Carbon intensity of energy in Saint Helena 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 |
|---|---|---|---|
| 1991 | +103.5% | 282.89 grams of CO₂ per kilowatt-hour | 575.65 grams of CO₂ per kilowatt-hour |
| 1988 | +100.0% | 141.45 grams of CO₂ per kilowatt-hour | 282.86 grams of CO₂ per kilowatt-hour |
| 2000 | -75.2% | 863.12 grams of CO₂ per kilowatt-hour | 213.66 grams of CO₂ per kilowatt-hour |
| 1987 | -50.9% | 287.82 grams of CO₂ per kilowatt-hour | 141.45 grams of CO₂ per kilowatt-hour |
| 1982 | -50.0% | 588.02 grams of CO₂ per kilowatt-hour | 294.01 grams of CO₂ per kilowatt-hour |
| 1993 | +50.0% | 575.48 grams of CO₂ per kilowatt-hour | 863.47 grams of CO₂ per kilowatt-hour |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 305.77 grams of CO₂ per kilowatt-hour | 141.45 grams of CO₂ per kilowatt-hour | 588.02 grams of CO₂ per kilowatt-hour | 9 |
| 1990s | 747.77 grams of CO₂ per kilowatt-hour | 282.89 grams of CO₂ per kilowatt-hour | 863.47 grams of CO₂ per kilowatt-hour | 10 |
| 2000s | 235.43 grams of CO₂ per kilowatt-hour | 205.19 grams of CO₂ per kilowatt-hour | 285.06 grams of CO₂ per kilowatt-hour | 10 |
| 2010s | 261.9 grams of CO₂ per kilowatt-hour | 215.64 grams of CO₂ per kilowatt-hour | 370.43 grams of CO₂ per kilowatt-hour | 10 |
| 2020s | 239.49 grams of CO₂ per kilowatt-hour | 195.15 grams of CO₂ per kilowatt-hour | 257.21 grams of CO₂ per kilowatt-hour | 5 |
Countries ranked near Saint Helena
- 38 Burkina Faso 260.09 grams of CO₂ per kilowatt-hour compare
- 39 Rwanda 258.62 grams of CO₂ per kilowatt-hour compare
- 40 Poland 257.67 grams of CO₂ per kilowatt-hour compare
- 42 Papua New Guinea 254.84 grams of CO₂ per kilowatt-hour compare
- 43 Algeria 253.63 grams of CO₂ per kilowatt-hour compare
- 44 Tanzania 252.8 grams of CO₂ per kilowatt-hour compare
More climate change data for Saint Helena
- Share of global CO₂ emissions and population 0.0% (2100)
- Summer temperature anomalies -0.0099 °C (2026)
- Spring temperature anomalies 0.7284 °C (2026)
- Temperature anomalies by month 0.8 °C (2026)
- Autumn temperature anomalies 0.2222 °C (2025)
- Winter temperature anomalies 0.2374 °C (2025)
- Share of global cumulative CO₂ emissions from cement 0.0% (2024)
- Share of global cumulative CO₂ emissions from flaring 0.0% (2024)
- CO₂ emissions per capita vs. fossil fuel consumption per capita 2.16 tonnes per person (2024)
- Share of global CO₂ emissions from oil 0.0% (2024)
Frequently asked questions
- What is carbon intensity of energy in Saint Helena?
- Carbon intensity of energy in Saint Helena was 257.21 grams of CO₂ per kilowatt-hour in 2024, according to Global Carbon Budget (2025) and other sources – with major processing by Our World in Data.
- What is the highest carbon intensity of energy recorded in Saint Helena?
- The highest recorded value was 863.47 grams of CO₂ per kilowatt-hour in 1993.
- What is the lowest carbon intensity of energy recorded in Saint Helena?
- The lowest recorded value was 141.45 grams of CO₂ per kilowatt-hour in 1987.
- How does Saint Helena rank for carbon intensity of energy?
- Saint Helena ranks 41st out of 204 countries with data for 2024.
- Is carbon intensity of energy rising or falling in Saint Helena?
- Over the last ten years it is up 1.0%. The long-run trend across the full record is volatile.
- Where does this Saint Helena data come from?
- The figures come from Global Carbon Budget (2025) and other sources – with major processing by Our World in Data, published as part of Carbon intensity of energy. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 44 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Fossil carbon dioxide (CO₂) emissions per unit of total energy supply, measured in grams of CO₂ per kilowatt-hour.