Carbon intensity of energy in Iceland

Iceland: Carbon intensity of energy was 43.89 grams of CO₂ per kilowatt-hour in 2024. ▼ Falling

Latest (2024)
43.89 grams of CO₂ per kilowatt-hour
Change on year
up 8.6%
World rank
203rd
of 204 countries
All-time high
227.95 grams of CO₂ per kilowatt-hour
in 1968
All-time low
40.42 grams of CO₂ per kilowatt-hour
in 2023
Years of data
60
1965–2024

Carbon intensity of energy in Iceland, 1965–2024

50100150200250196519942024

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

Iceland recorded 43.89 grams of CO₂ per kilowatt-hour for carbon intensity of energy in 2024.

That represents a change of up 8.6% on the previous year and down 4.0% over ten years.

Over the whole period, carbon intensity of energy in Iceland peaked at 227.95 grams of CO₂ per kilowatt-hour in 1968 and was at its lowest, 40.42 grams of CO₂ per kilowatt-hour, in 2023.

Iceland ranks 203rd of 204 countries on this measure, in the bottom quarter.

The long-run direction has been consistently falling across the 60 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1960s 215.95 grams of CO₂ per kilowatt-hour 189.96 grams of CO₂ per kilowatt-hour 227.95 grams of CO₂ per kilowatt-hour 5
1970s 179.12 grams of CO₂ per kilowatt-hour 168.79 grams of CO₂ per kilowatt-hour 190.32 grams of CO₂ per kilowatt-hour 10
1980s 138.52 grams of CO₂ per kilowatt-hour 124.14 grams of CO₂ per kilowatt-hour 173.9 grams of CO₂ per kilowatt-hour 10
1990s 133.72 grams of CO₂ per kilowatt-hour 98.66 grams of CO₂ per kilowatt-hour 147.37 grams of CO₂ per kilowatt-hour 10
2000s 77.57 grams of CO₂ per kilowatt-hour 52.28 grams of CO₂ per kilowatt-hour 93.57 grams of CO₂ per kilowatt-hour 10
2010s 46.56 grams of CO₂ per kilowatt-hour 41.18 grams of CO₂ per kilowatt-hour 54.26 grams of CO₂ per kilowatt-hour 10
2020s 41.98 grams of CO₂ per kilowatt-hour 40.42 grams of CO₂ per kilowatt-hour 43.89 grams of CO₂ per kilowatt-hour 5

Countries ranked near Iceland

  1. 200 Macao 75.57 grams of CO₂ per kilowatt-hour compare
  2. 201 Singapore 52.77 grams of CO₂ per kilowatt-hour compare
  3. 204 Antarctica 0 grams of CO₂ per kilowatt-hour compare

See the full ranking of 204 places →

More climate change data for Iceland

All data for Iceland →

Frequently asked questions

What is carbon intensity of energy in Iceland?
Carbon intensity of energy in Iceland was 43.89 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 Iceland?
The highest recorded value was 227.95 grams of CO₂ per kilowatt-hour in 1968.
What is the lowest carbon intensity of energy recorded in Iceland?
The lowest recorded value was 40.42 grams of CO₂ per kilowatt-hour in 2023.
How does Iceland rank for carbon intensity of energy?
Iceland ranks 203rd out of 204 countries with data for 2024.
Is carbon intensity of energy rising or falling in Iceland?
Over the last ten years it is down 4.0%. The long-run trend across the full record is falling.
Where does this Iceland 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 — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Carbon intensity of energy
Unit
grams of CO₂ per kilowatt-hour
Source
Global Carbon Budget (2025) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
204 places, 9,804 data points, 1965–2024
Last refreshed

Fossil carbon dioxide (CO₂) emissions per unit of total energy supply, measured in grams of CO₂ per kilowatt-hour.