Slovenia generated 950 GWh of electricity from gas in 2025, 6.4% of its total, according to Ember. That made it the 96th largest gas power producer in 2025 of the 117 countries with Ember data, comparing each country's latest year. Gas supplied 21.7% of the world's electricity in 2025. These are annual statistics for 2025, with monthly figures through August 2026; they are
compiled from national sources and are not real time.
Key Facts
Slovenia generated 950 GWh of electricity from gas in 2025.
Gas supplied 6.4% of Slovenia's electricity in 2025.
Slovenia was the 96th largest gas power producer in 2025 among the 117 countries with Ember data, comparing each country's latest year.
Slovenia's gas generation in 2025 was 64% higher than in 2020, when it was 580 GWh.
Slovenia's gas generation in 2025 was 137% higher than in 2015, when it was 400 GWh.
2025 was Slovenia's highest year for gas generation in Ember's records, which start in 1990.
Slovenia's gas share in 2025 was below the world share of 21.7%.
Slovenia had 540 MW of gas generating capacity in 2025.
Gas power in Slovenia emitted 0.34 MtCO2 in 2025, 13% of the power sector's emissions.
Key Figures, 2025
Measure
Value
As of / source
Gas generation
950 GWh
2025 · Ember
Share of Slovenia's electricity
6.4%
2025 · Ember
World share of gas
21.7%
2025 · Ember
Rank by gas generation (each country's latest year)
96 of 117
2025 · Ember
Gas capacity
540 MW
2025 · Ember
Gas power emissions
0.34 MtCO2
2025 · Ember
Gas Generation Year by Year
Ember annual statistics, 1990 to 2025
Gas
Slovenia's electricity generation from gas each year from 1990 to 2025, in GWh. It was 950 GWh in 2025.
Annual statistics through 2025, GWh
Slovenia gas electricity generation, 1990 to 2025
Year
Gas
1990
0 TWh
1991
0 TWh
1992
0 TWh
1993
0 TWh
1994
0 TWh
1995
10.0 GWh
1996
10.0 GWh
1997
10.0 GWh
1998
110 GWh
1999
170 GWh
2000
290 GWh
2001
300 GWh
2002
290 GWh
2003
370 GWh
2004
360 GWh
2005
340 GWh
2006
370 GWh
2007
450 GWh
2008
480 GWh
2009
590 GWh
2010
550 GWh
2011
490 GWh
2012
530 GWh
2013
510 GWh
2014
370 GWh
2015
400 GWh
2016
420 GWh
2017
480 GWh
2018
480 GWh
2019
540 GWh
2020
580 GWh
2021
520 GWh
2022
490 GWh
2023
500 GWh
2024
480 GWh
2025
950 GWh
SloveniaWorld
The share of Slovenia's electricity generated from gas, 1990 to 2025, compared with the world share. In 2025 it was 6.4%, against 21.7% worldwide.
Annual statistics through 2025, % of generation
Share of Slovenia's electricity from gas and the world share, 1990 to 2025
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.
Gas Generation Month by Month
Ember monthly statistics through August 2026
Gas
Slovenia generated 40.0 GWh of electricity from gas in August 2026, against 60.0 GWh in August 2025.
Monthly statistics through August 2026, TWh
Slovenia monthly gas electricity generation, September 2024 to August 2026
Month
Gas
2024-09
30.0 GWh
2024-10
30.0 GWh
2024-11
60.0 GWh
2024-12
100 GWh
2025-01
90.0 GWh
2025-02
60.0 GWh
2025-03
80.0 GWh
2025-04
40.0 GWh
2025-05
70.0 GWh
2025-06
70.0 GWh
2025-07
60.0 GWh
2025-08
60.0 GWh
2025-09
60.0 GWh
2025-10
110 GWh
2025-11
140 GWh
2025-12
140 GWh
2026-01
160 GWh
2026-02
120 GWh
2026-03
110 GWh
2026-04
90.0 GWh
2026-05
60.0 GWh
2026-06
40.0 GWh
2026-07
30.0 GWh
2026-08
40.0 GWh
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026. Monthly figures for Slovenia can differ slightly from the annual totals.