Share of electricity generation from nuclear in Finland

Finland: Share of electricity generation from nuclear was 39.9% in 2025. ▬ Flat

Latest (2025)
39.9%
Change on year
up 1.0%
World rank
6th
of 207 countries
All-time high
42.1%
in 2023
All-time low
26.5%
in 2004
Years of data
41
1985–2025

Share of electricity generation from nuclear in Finland, 1985–2025

0102030401985200520251985: 38.3 %1986: 38.7 %1987: 36.8 %1988: 36.3 %1989: 35.5 %1990: 35.4 %1991: 33.7 %1992: 33.4 %1993: 32.6 %1994: 29.6 %1995: 30 %1996: 28.1 %1997: 30.2 %1998: 31.2 %1999: 33.1 %2000: 32.1 %2001: 30.6 %2002: 29.8 %2003: 27 %2004: 26.5 %2005: 33 %2006: 27.8 %2007: 28.9 %2008: 29.7 %2009: 32.7 %2010: 28.3 %2011: 31.6 %2012: 32.7 %2013: 33.1 %2014: 34.6 %2015: 33.9 %2016: 33.7 %2017: 33.3 %2018: 32.5 %2019: 34.8 %2020: 33.6 %2021: 32.7 %2022: 35.1 %2023: 42.1 %2024: 39.5 %2025: 39.9 %

Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in %.

Analysis

Finland recorded 39.9% for share of electricity generation from nuclear in 2025.

That represents a change of up 1.0% on the previous year and up 17.7% over ten years.

Over the whole period, share of electricity generation from nuclear in Finland peaked at 42.1% in 2023 and was at its lowest, 26.5%, in 2004.

That places Finland 6th out of 207 countries with data for 2025, putting it in the top 10%.

Averages by decade

DecadeAverage LowestHighest Years
1980s 37.1% 35.5% 38.7% 5
1990s 31.7% 28.1% 35.4% 10
2000s 29.8% 26.5% 33.0% 10
2010s 32.8% 28.3% 34.8% 10
2020s 37.2% 32.7% 42.1% 6

Countries ranked near Finland

  1. 3 Ukraine 55.8% compare
  2. 4 Czechia 42.3% compare
  3. 5 Hungary 40.0% compare
  4. 7 Slovenia 39.3% compare
  5. 8 Bulgaria 39.1% compare
  6. 9 Belarus 36.6% compare

See the full ranking of 209 places →

More energy & mining data for Finland

All data for Finland →

Frequently asked questions

What is share of electricity generation from nuclear in Finland?
Share of electricity generation from nuclear in Finland was 39.9% in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
What is the highest share of electricity generation from nuclear recorded in Finland?
The highest recorded value was 42.1% in 2023.
What is the lowest share of electricity generation from nuclear recorded in Finland?
The lowest recorded value was 26.5% in 2004.
How does Finland rank for share of electricity generation from nuclear?
Finland ranks 6th out of 207 countries with data for 2025.
Is share of electricity generation from nuclear rising or falling in Finland?
Over the last ten years it is up 17.7%. The long-run trend across the full record is flat.
Where does this Finland data come from?
The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Share of electricity generation from nuclear. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 41 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of electricity generation from nuclear
Unit
%
Source
Ember (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
209 places, 6,536 data points, 1920–2025
Last refreshed

Measured as a percentage of total electricity produced in the country or region.