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Data as of 2025
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Built 2026-09-19 (19 September 2026)

Slovenia Electricity History, 1990 to 2025

Slovenia generated 12.4 TWh of electricity in 1990 and 14.8 TWh in 2025. Slovenia's electricity demand peaked at 15.6 TWh in 2018. The carbon intensity of Slovenia's electricity went from 376 gCO2/kWh in 1990 to 182 gCO2/kWh in 2025. Figures are Ember annual statistics; Ember's series for Slovenia starts in 1990.

Key Facts

  • Slovenia generated 12.4 TWh of electricity in 1990 and 14.8 TWh in 2025.
  • Slovenia's electricity demand peaked at 15.6 TWh in 2018.
  • The carbon intensity of Slovenia's electricity went from 376 gCO2/kWh in 1990 to 182 gCO2/kWh in 2025.
  • Slovenia's lowest carbon intensity on record was 182 gCO2/kWh, in 2025.
  • Coal's share of Slovenia's electricity went from 31.3% in 1990 to 14.7% in 2025, the largest change of any source.

Generation and Demand

1990 to 2025, TWh
Slovenia electricity generation and demand, 1990 to 2025 Slovenia generated 12.4 TWh of electricity in 1990 and 14.8 TWh in 2025. 0 5 10 15 20 19901995200020052010201520202025
Slovenia generated 12.4 TWh of electricity in 1990 and 14.8 TWh in 2025.
Annual statistics through 2025, TWh
Slovenia electricity generation and demand, 1990 to 2025
YearGenerationDemand
199012.4 TWh11.5 TWh
199112.7 TWh10.7 TWh
199212.3 TWh10.5 TWh
199312.0 TWh10.5 TWh
199412.9 TWh11.0 TWh
199512.9 TWh11.3 TWh
199613.1 TWh11.4 TWh
199713.2 TWh11.5 TWh
199813.7 TWh11.8 TWh
199913.3 TWh11.9 TWh
200013.6 TWh12.3 TWh
200114.5 TWh12.7 TWh
200214.6 TWh13.5 TWh
200313.8 TWh14.0 TWh
200415.3 TWh14.5 TWh
200515.1 TWh14.8 TWh
200615.1 TWh15.2 TWh
200715.0 TWh15.3 TWh
200816.4 TWh14.8 TWh
200916.4 TWh13.3 TWh
201016.3 TWh14.1 TWh
201115.9 TWh14.6 TWh
201215.6 TWh14.5 TWh
201315.8 TWh14.5 TWh
201417.2 TWh14.4 TWh
201514.8 TWh14.8 TWh
201616.2 TWh15.1 TWh
201716.1 TWh15.5 TWh
201816.1 TWh15.6 TWh
201915.9 TWh15.6 TWh
202016.9 TWh14.9 TWh
202115.6 TWh15.3 TWh
202213.4 TWh14.8 TWh
202315.6 TWh14.0 TWh
202416.7 TWh14.3 TWh
202514.8 TWh14.3 TWh

Carbon Intensity

gCO2 per kWh generated
Slovenia carbon intensity of electricity, 1990 to 2025 The carbon intensity of Slovenia's electricity went from 376 gCO2/kWh in 1990 to 182 gCO2/kWh in 2025. 0 125 250 375 500 19901995200020052010201520202025
The carbon intensity of Slovenia's electricity went from 376 gCO2/kWh in 1990 to 182 gCO2/kWh in 2025.
Annual statistics through 2025
Slovenia carbon intensity of electricity, 1990 to 2025
YearCarbon intensity
1990376 gCO2/kWh
1991325 gCO2/kWh
1992406 gCO2/kWh
1993419 gCO2/kWh
1994384 gCO2/kWh
1995382 gCO2/kWh
1996367 gCO2/kWh
1997387 gCO2/kWh
1998384 gCO2/kWh
1999362 gCO2/kWh
2000362 gCO2/kWh
2001366 gCO2/kWh
2002386 gCO2/kWh
2003394 gCO2/kWh
2004364 gCO2/kWh
2005371 gCO2/kWh
2006383 gCO2/kWh
2007389 gCO2/kWh
2008351 gCO2/kWh
2009341 gCO2/kWh
2010353 gCO2/kWh
2011360 gCO2/kWh
2012359 gCO2/kWh
2013336 gCO2/kWh
2014245 gCO2/kWh
2015317 gCO2/kWh
2016326 gCO2/kWh
2017319 gCO2/kWh
2018305 gCO2/kWh
2019299 gCO2/kWh
2020277 gCO2/kWh
2021269 gCO2/kWh
2022258 gCO2/kWh
2023224 gCO2/kWh
2024230 gCO2/kWh
2025182 gCO2/kWh

Every Year

YearGenerationDemandNet importsCarbon intensityLow carbon share
2025 14.8 TWh 14.3 TWh -490 GWh 182 gCO2/kWh 79.0%
2024 16.7 TWh 14.3 TWh -2.41 TWh 230 gCO2/kWh 76.1%
2023 15.6 TWh 14.0 TWh -1.51 TWh 224 gCO2/kWh 76.5%
2022 13.4 TWh 14.8 TWh 1.45 TWh 258 gCO2/kWh 72.5%
2021 15.6 TWh 15.3 TWh -270 GWh 269 gCO2/kWh 71.5%
2020 16.9 TWh 14.9 TWh -2.00 TWh 277 gCO2/kWh 70.6%
2019 15.9 TWh 15.6 TWh -320 GWh 299 gCO2/kWh 68.3%
2018 16.1 TWh 15.6 TWh -500 GWh 305 gCO2/kWh 68.2%
2017 16.1 TWh 15.5 TWh -520 GWh 319 gCO2/kWh 66.8%
2016 16.2 TWh 15.1 TWh -1.18 TWh 326 gCO2/kWh 66.4%
2015 14.8 TWh 14.8 TWh -50.0 GWh 317 gCO2/kWh 67.6%
2014 17.2 TWh 14.4 TWh -2.74 TWh 245 gCO2/kWh 75.6%
2013 15.8 TWh 14.5 TWh -1.29 TWh 336 gCO2/kWh 65.9%
2012 15.6 TWh 14.5 TWh -1.04 TWh 359 gCO2/kWh 63.4%
2011 15.9 TWh 14.6 TWh -1.37 TWh 360 gCO2/kWh 63.4%
2010 16.3 TWh 14.1 TWh -2.12 TWh 353 gCO2/kWh 64.0%
2009 16.4 TWh 13.3 TWh -3.06 TWh 341 gCO2/kWh 64.9%
2008 16.4 TWh 14.8 TWh -1.60 TWh 351 gCO2/kWh 64.5%
2007 15.0 TWh 15.3 TWh 230 GWh 389 gCO2/kWh 60.4%
2006 15.1 TWh 15.2 TWh 40.0 GWh 383 gCO2/kWh 61.2%
2005 15.1 TWh 14.8 TWh -320 GWh 371 gCO2/kWh 62.6%
2004 15.3 TWh 14.5 TWh -760 GWh 364 gCO2/kWh 63.3%
2003 13.8 TWh 14.0 TWh 160 GWh 394 gCO2/kWh 59.9%
2002 14.6 TWh 13.5 TWh -1.13 TWh 386 gCO2/kWh 61.2%
2001 14.5 TWh 12.7 TWh -1.77 TWh 366 gCO2/kWh 63.0%
2000 13.6 TWh 12.3 TWh -1.32 TWh 362 gCO2/kWh 63.6%
1999 13.3 TWh 11.9 TWh -1.34 TWh 362 gCO2/kWh 63.9%
1998 13.7 TWh 11.8 TWh -1.92 TWh 384 gCO2/kWh 61.9%
1997 13.2 TWh 11.5 TWh -1.70 TWh 387 gCO2/kWh 61.5%
1996 13.1 TWh 11.4 TWh -1.66 TWh 367 gCO2/kWh 63.8%
1995 12.9 TWh 11.3 TWh -1.65 TWh 382 gCO2/kWh 62.2%
1994 12.9 TWh 11.0 TWh -1.93 TWh 384 gCO2/kWh 62.1%
1993 12.0 TWh 10.5 TWh -1.42 TWh 419 gCO2/kWh 58.6%
1992 12.3 TWh 10.5 TWh -1.81 TWh 406 gCO2/kWh 59.9%
1991 12.7 TWh 10.7 TWh -2.02 TWh 325 gCO2/kWh 67.2%
1990 12.4 TWh 11.5 TWh -990 GWh 376 gCO2/kWh 60.9%

Share of Generation by Source

Percent of total generation
YearCoalGasOther fossilNuclearHydroWindSolarBioenergy
202514.7%6.4%-0.1%39.4%27.5%0.1%10.2%1.9%
202420.9%2.9%0.1%35.0%32.0%0.1%7.6%1.5%
202320.2%3.2%0.1%36.0%32.3%0.1%6.3%1.9%
202223.4%3.7%0.5%42.0%23.6%0.1%4.9%2.0%
202124.7%3.3%0.5%36.6%30.2%0.1%2.9%1.7%
202025.8%3.4%0.1%37.6%29.2%0.1%2.2%1.6%
201928.2%3.4%0.1%36.6%28.2%0.1%1.9%1.6%
201828.7%3.0%0.1%35.9%29.2%0.1%1.6%1.6%
201730.0%3.0%0.1%39.2%24.1%0.1%1.7%1.7%
201630.9%2.6%0.1%35.2%27.7%0.1%1.7%1.7%
201529.6%2.7%0.1%38.2%25.7%0.1%1.8%1.8%
201421.9%2.2%0.3%37.1%35.5%0.0%1.5%1.5%
201330.8%3.2%0.1%33.5%29.3%0.0%1.4%1.7%
201233.1%3.4%0.1%35.6%25.1%n/a1.0%1.7%
201133.4%3.1%0.1%39.1%22.4%n/a0.4%1.6%
201032.5%3.4%0.1%34.8%27.8%n/a0.1%1.4%
200931.3%3.6%0.2%35.0%28.7%n/a0.0%1.2%
200832.5%2.9%0.1%38.2%24.5%n/a0.0%1.8%
200736.4%3.0%0.2%37.9%21.7%n/a0.0%0.7%
200635.9%2.5%0.4%36.7%23.8%n/a0.0%0.7%
200534.9%2.3%0.3%38.9%22.9%n/a0.0%0.7%
200434.0%2.4%0.3%35.8%26.8%n/a0.0%0.8%
200337.0%2.7%0.4%37.7%21.4%n/a0.0%0.9%
200236.3%2.0%0.5%37.9%22.7%n/a0.0%0.7%
200134.0%2.1%0.9%36.3%26.2%n/a0.0%0.5%
200033.9%2.1%0.4%35.0%28.1%n/a0.0%0.5%
199933.8%1.3%1.1%35.4%28.2%0.0%0.0%0.2%
199836.3%0.8%1.0%36.7%25.2%0.0%0.0%0.0%
199735.7%0.1%2.7%38.1%23.4%0.0%0.0%0.0%
199634.2%0.1%2.0%35.6%28.1%0.0%0.0%0.0%
199535.7%0.1%2.0%37.1%25.2%0.0%0.0%0.0%
199435.8%0.0%2.1%35.8%26.4%0.0%0.0%0.0%
199339.3%0.0%2.2%33.1%25.4%0.0%0.0%0.0%
199237.6%0.0%2.5%32.2%27.7%0.0%0.0%0.0%
199128.4%0.0%4.4%38.9%28.3%0.0%0.0%0.0%
199031.3%0.0%7.9%37.1%23.7%0.0%0.0%0.0%

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.