Built 2026-09-19 (19 September 2026)

Slovenia Gas Power: Generation, Share and Trend

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

MeasureValueAs of / source
Gas generation950 GWh2025 · Ember
Share of Slovenia's electricity6.4%2025 · Ember
World share of gas21.7%2025 · Ember
Rank by gas generation (each country's latest year)96 of 1172025 · Ember
Gas capacity540 MW2025 · Ember
Gas power emissions0.34 MtCO22025 · Ember

Gas Generation Year by Year

Ember annual statistics, 1990 to 2025
Slovenia gas electricity generation, 1990 to 2025 Slovenia's electricity generation from gas each year from 1990 to 2025, in GWh. It was 950 GWh in 2025. 0 250 500 750 1,000 19901995200020052010201520202025
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
YearGas
19900 TWh
19910 TWh
19920 TWh
19930 TWh
19940 TWh
199510.0 GWh
199610.0 GWh
199710.0 GWh
1998110 GWh
1999170 GWh
2000290 GWh
2001300 GWh
2002290 GWh
2003370 GWh
2004360 GWh
2005340 GWh
2006370 GWh
2007450 GWh
2008480 GWh
2009590 GWh
2010550 GWh
2011490 GWh
2012530 GWh
2013510 GWh
2014370 GWh
2015400 GWh
2016420 GWh
2017480 GWh
2018480 GWh
2019540 GWh
2020580 GWh
2021520 GWh
2022490 GWh
2023500 GWh
2024480 GWh
2025950 GWh
Share of Slovenia's electricity from gas and the world share, 1990 to 2025 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. 0 6 13 19 25 19901995200020052010201520202025
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
YearSloveniaWorld
19900.0%n/a
19910.0%n/a
19920.0%n/a
19930.0%n/a
19940.0%n/a
19950.1%n/a
19960.1%n/a
19970.1%n/a
19980.8%n/a
19991.3%n/a
20002.1%18.0%
20012.1%18.8%
20022.0%19.3%
20032.7%19.6%
20042.4%20.1%
20052.3%20.3%
20062.5%20.7%
20073.0%21.4%
20082.9%21.7%
20093.6%22.0%
20103.4%22.6%
20113.1%22.2%
20123.4%22.9%
20133.2%21.9%
20142.2%22.0%
20152.7%23.1%
20162.6%23.7%
20173.0%23.5%
20183.0%23.5%
20193.4%23.8%
20203.4%23.8%
20213.3%23.2%
20223.7%22.8%
20233.2%22.5%
20242.9%22.1%
20256.4%21.7%
YearGenerationShareWorld shareCapacityEmissions
2025 950 GWh 6.4% 21.7% 540 MW 0.34 MtCO2
2024 480 GWh 2.9% 22.1% 540 MW 0.17 MtCO2
2023 500 GWh 3.2% 22.5% 420 MW 0.18 MtCO2
2022 490 GWh 3.7% 22.8% 420 MW 0.17 MtCO2
2021 520 GWh 3.3% 23.2% 420 MW 0.18 MtCO2
2020 580 GWh 3.4% 23.8% 490 MW 0.21 MtCO2
2019 540 GWh 3.4% 23.8% 430 MW 0.19 MtCO2
2018 480 GWh 3.0% 23.5% 430 MW 0.17 MtCO2
2017 480 GWh 3.0% 23.5% 380 MW 0.17 MtCO2
2016 420 GWh 2.6% 23.7% 380 MW 0.15 MtCO2

Full year by year history for Slovenia

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
Slovenia monthly gas electricity generation, September 2024 to August 2026 Slovenia generated 40.0 GWh of electricity from gas in August 2026, against 60.0 GWh in August 2025. 0.00 0.05 0.10 0.15 0.20 2024-092025-032025-092026-03
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
MonthGas
2024-0930.0 GWh
2024-1030.0 GWh
2024-1160.0 GWh
2024-12100 GWh
2025-0190.0 GWh
2025-0260.0 GWh
2025-0380.0 GWh
2025-0440.0 GWh
2025-0570.0 GWh
2025-0670.0 GWh
2025-0760.0 GWh
2025-0860.0 GWh
2025-0960.0 GWh
2025-10110 GWh
2025-11140 GWh
2025-12140 GWh
2026-01160 GWh
2026-02120 GWh
2026-03110 GWh
2026-0490.0 GWh
2026-0560.0 GWh
2026-0640.0 GWh
2026-0730.0 GWh
2026-0840.0 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.