Year-to-year change in primary energy use by source in Ireland

Ireland: Year-to-year change in primary energy use by source was 0.5816 terawatt-hours in 2025. β—† Volatile

Latest (2025)
0.5816 terawatt-hours
Change on year
up 30.2%
World rank
47th
of 79 countries
All-time high
0.5816 terawatt-hours
in 2025
All-time low
0 terawatt-hours
in 1966
Years of data
60
1966–2025

Year-to-year change in primary energy use by source in Ireland, 1966–2025

00.20.40.6196619952025

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

Analysis

The most recent figure for year-to-year change in primary energy use by source in Ireland is 0.5816 terawatt-hours, measured in 2025. That is the highest value across all 60 years on record.

Compared with earlier readings it is up 30.2% on the previous year and up 63,325.8% over ten years.

Over the whole period, year-to-year change in primary energy use by source in Ireland peaked at 0.5816 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1966.

That places Ireland 47th out of 79 countries with data for 2025, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest 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 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1990s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
2000s 0 terawatt-hours 0 terawatt-hours 0.0004 terawatt-hours 10
2010s 0.0033 terawatt-hours 0.0001 terawatt-hours 0.0157 terawatt-hours 10
2020s 0.2735 terawatt-hours 0.0213 terawatt-hours 0.5816 terawatt-hours 6

Countries ranked near Ireland

  1. 44 Taiwan 0.7525 terawatt-hours compare
  2. 45 Denmark 0.7145 terawatt-hours compare
  3. 46 Czechia 0.6732 terawatt-hours compare
  4. 48 Lithuania 0.5678 terawatt-hours compare
  5. 49 Croatia 0.4935 terawatt-hours compare
  6. 50 South Korea 0.4108 terawatt-hours compare

See the full ranking of 82 places β†’

More energy & mining data for Ireland

All data for Ireland β†’

Frequently asked questions

What is year-to-year change in primary energy use by source in Ireland?
Year-to-year change in primary energy use by source in Ireland was 0.5816 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 Ireland?
The highest recorded value was 0.5816 terawatt-hours in 2025.
What is the lowest year-to-year change in primary energy use by source recorded in Ireland?
The lowest recorded value was 0 terawatt-hours in 1966.
How does Ireland rank for year-to-year change in primary energy use by source?
Ireland ranks 47th out of 79 countries with data for 2025.
Is year-to-year change in primary energy use by source rising or falling in Ireland?
Over the last ten years it is up 63,325.8%. The long-run trend across the full record is volatile.
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 Year-to-year change in primary energy use by source. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 60 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Year-to-year change in primary energy use 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
82 places, 4,604 data points, 1966–2025
Last refreshed

Change in total energy supply relative to the previous year, measured in terawatt-hours.