Fossil fuel supply by source in Ireland

Ireland: Fossil fuel supply by source was 48.68 terawatt-hours in 2025. β–² Rising

Latest (2025)
48.68 terawatt-hours
Change on year
down 2.1%
World rank
56th
of 76 countries
All-time high
54.67 terawatt-hours
in 2010
All-time low
2.76 terawatt-hours
in 1979
Years of data
47
1979–2025

Fossil fuel supply by source in Ireland, 1979–2025

0204060197920022025

Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

In 2025, fossil fuel supply by source in Ireland stood at 48.68 terawatt-hours.

Compared with earlier readings it is down 2.1% on the previous year and up 11.2% over ten years.

Over the whole period, fossil fuel supply by source in Ireland peaked at 54.67 terawatt-hours in 2010 and was at its lowest, 2.76 terawatt-hours, in 1979.

Ireland ranks 56th of 76 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 47 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1970s 2.76 terawatt-hours 2.76 terawatt-hours 2.76 terawatt-hours 1
1980s 16.6 terawatt-hours 8.07 terawatt-hours 21 terawatt-hours 10
1990s 27.5 terawatt-hours 21.83 terawatt-hours 34.92 terawatt-hours 10
2000s 44.77 terawatt-hours 40.04 terawatt-hours 52.21 terawatt-hours 10
2010s 48.6 terawatt-hours 43.28 terawatt-hours 54.67 terawatt-hours 10
2020s 50.45 terawatt-hours 48.26 terawatt-hours 53.08 terawatt-hours 6

Countries ranked near Ireland

  1. 53 Greece 71.13 terawatt-hours compare
  2. 54 Vietnam 57.84 terawatt-hours compare
  3. 55 Hong Kong 52.53 terawatt-hours compare
  4. 57 South Africa 46.81 terawatt-hours compare
  5. 58 Slovakia 44.95 terawatt-hours compare
  6. 59 Portugal 40.88 terawatt-hours compare

See the full ranking of 79 places β†’

More energy & mining data for Ireland

All data for Ireland β†’

Frequently asked questions

What is fossil fuel supply by source in Ireland?
Fossil fuel supply by source in Ireland was 48.68 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 fossil fuel supply by source recorded in Ireland?
The highest recorded value was 54.67 terawatt-hours in 2010.
What is the lowest fossil fuel supply by source recorded in Ireland?
The lowest recorded value was 2.76 terawatt-hours in 1979.
How does Ireland rank for fossil fuel supply by source?
Ireland ranks 56th out of 76 countries with data for 2025.
Is fossil fuel supply by source rising or falling in Ireland?
Over the last ten years it is up 11.2%. The long-run trend across the full record is rising.
Where does this Ireland 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 Fossil fuel supply by source. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 47 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Fossil fuel supply by source
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
79 places, 4,176 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.