Primary energy from hydropower in Ireland

Ireland: Primary energy from hydropower was 0.6525 terawatt-hours in 2025. ▬ Flat

Latest (2025)
0.6525 terawatt-hours
Change on year
down 14.8%
Rank
1st
of 2 regions
All-time high
0.9683 terawatt-hours
in 2008
All-time low
0.4652 terawatt-hours
in 1971
Years of data
61
1965–2025

Primary energy from hydropower in Ireland, 1965–2025

00.20.40.60.81196519952025

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, primary energy from hydropower in Ireland stood at 0.6525 terawatt-hours.

Compared with earlier readings it is down 14.8% on the previous year and down 19.1% over ten years.

Over the whole period, primary energy from hydropower in Ireland peaked at 0.9683 terawatt-hours in 2008 and was at its lowest, 0.4652 terawatt-hours, in 1971.

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.7885 terawatt-hours 0.5815 terawatt-hours 0.942 terawatt-hours 5
1970s 0.6769 terawatt-hours 0.4652 terawatt-hours 0.8257 terawatt-hours 10
1980s 0.7978 terawatt-hours 0.6862 terawatt-hours 0.9188 terawatt-hours 10
1990s 0.782 terawatt-hours 0.678 terawatt-hours 0.92 terawatt-hours 10
2000s 0.7474 terawatt-hours 0.596 terawatt-hours 0.9683 terawatt-hours 10
2010s 0.7176 terawatt-hours 0.5992 terawatt-hours 0.8866 terawatt-hours 10
2020s 0.7908 terawatt-hours 0.6525 terawatt-hours 0.9428 terawatt-hours 6

Countries ranked near Ireland

  1. 1 China 1,392 terawatt-hours compare
  2. 2 Brazil 397.9 terawatt-hours compare
  3. 3 Canada 348.47 terawatt-hours compare
  4. 4 United States 244.14 terawatt-hours compare

See the full ranking of 82 places →

More energy & mining data for Ireland

All data for Ireland →

Frequently asked questions

What is primary energy from hydropower in Ireland?
Primary energy from hydropower in Ireland was 0.6525 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 primary energy from hydropower recorded in Ireland?
The highest recorded value was 0.9683 terawatt-hours in 2008.
What is the lowest primary energy from hydropower recorded in Ireland?
The lowest recorded value was 0.4652 terawatt-hours in 1971.
How does Ireland rank for primary energy from hydropower?
Ireland ranks 1st out of 2 regions with data for 2025.
Is primary energy from hydropower rising or falling in Ireland?
Over the last ten years it is down 19.1%. The long-run trend across the full record is flat.
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 Primary energy from hydropower. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Primary energy from hydropower
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, 4,686 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.