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

Austria vs Slovenia: Electricity Compared

Austria generated 73.1 TWh of electricity in 2025 and Slovenia 14.8 TWh, according to Ember. Austria's largest source was hydro (52.1%); Slovenia's was nuclear (39.4%). Each kWh generated emitted 117 gCO2/kWh in Austria and 182 gCO2/kWh in Slovenia. These are Ember annual statistics for 2025, compiled from national sources; they are not real time.

Why this comparison: neighbours by land border or interconnector.

Key Facts

  • Nuclear supplied 39.4% of Slovenia's electricity in 2025, against none in Austria.
  • Slovenia's electricity was 1.6 times as carbon intensive as Austria's in 2025, at 182 gCO2/kWh against 117 gCO2/kWh.
  • Electricity demand rose 8% in Austria between 2020 and 2025, while it fell 4% in Slovenia.
  • Low carbon sources supplied 83.6% of Austria's electricity in 2025 and 79.0% of Slovenia's.
  • Electricity demand in 2025 was 77.2 TWh in Austria and 14.3 TWh in Slovenia.

Key Figures, 2025

Ember annual statistics
MeasureAustriaSlovenia
Total generation73.1 TWh14.8 TWh
Electricity demand77.2 TWh14.3 TWh
Demand per person8.49 MWh6.80 MWh
Carbon intensity117 gCO2/kWh182 gCO2/kWh
Power sector emissions8.53 MtCO22.70 MtCO2
Low carbon share83.6%79.0%
Largest sourceHydro 52.1%Nuclear 39.4%

Generation Mix, 2025

Share of generation
SourceAustriaSlovenia
Hydro 52.1% 27.5%
Nuclear 0.0% 39.4%
Coal 0.0% 14.7%
Solar 13.9% 10.2%
Gas 11.9% 6.4%
Wind 11.4% 0.1%
Bioenergy 6.3% 1.9%
Other fossil 4.5% 0.0%

Carbon Intensity, 1990 to 2025

Ember annual statistics
Carbon intensity of electricity in Austria and Slovenia, 1990 to 2025 Carbon intensity of electricity generated in Austria and Slovenia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 117 gCO2/kWh in Austria and 182 gCO2/kWh in Slovenia. 0 125 250 375 500 19901995200020052010201520202025
Carbon intensity of electricity generated in Austria and Slovenia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 117 gCO2/kWh in Austria and 182 gCO2/kWh in Slovenia.
Annual statistics through 2025, gCO2/kWh
Carbon intensity of electricity in Austria and Slovenia, 1990 to 2025
YearAustriaSlovenia
1990250 gCO2/kWh376 gCO2/kWh
1991263 gCO2/kWh325 gCO2/kWh
1992202 gCO2/kWh406 gCO2/kWh
1993184 gCO2/kWh419 gCO2/kWh
1994196 gCO2/kWh384 gCO2/kWh
1995207 gCO2/kWh382 gCO2/kWh
1996233 gCO2/kWh367 gCO2/kWh
1997233 gCO2/kWh387 gCO2/kWh
1998211 gCO2/kWh384 gCO2/kWh
1999204 gCO2/kWh362 gCO2/kWh
2000203 gCO2/kWh362 gCO2/kWh
2001229 gCO2/kWh366 gCO2/kWh
2002226 gCO2/kWh386 gCO2/kWh
2003282 gCO2/kWh394 gCO2/kWh
2004259 gCO2/kWh364 gCO2/kWh
2005254 gCO2/kWh371 gCO2/kWh
2006253 gCO2/kWh383 gCO2/kWh
2007233 gCO2/kWh389 gCO2/kWh
2008221 gCO2/kWh351 gCO2/kWh
2009196 gCO2/kWh341 gCO2/kWh
2010227 gCO2/kWh353 gCO2/kWh
2011239 gCO2/kWh360 gCO2/kWh
2012186 gCO2/kWh359 gCO2/kWh
2013173 gCO2/kWh336 gCO2/kWh
2014151 gCO2/kWh245 gCO2/kWh
2015172 gCO2/kWh317 gCO2/kWh
2016155 gCO2/kWh326 gCO2/kWh
2017163 gCO2/kWh319 gCO2/kWh
2018158 gCO2/kWh305 gCO2/kWh
2019153 gCO2/kWh299 gCO2/kWh
2020133 gCO2/kWh277 gCO2/kWh
2021135 gCO2/kWh269 gCO2/kWh
2022141 gCO2/kWh258 gCO2/kWh
2023112 gCO2/kWh224 gCO2/kWh
2024103 gCO2/kWh230 gCO2/kWh
2025117 gCO2/kWh182 gCO2/kWh

Demand per Person, 1990 to 2025

Ember annual statistics
Electricity demand per person in Austria and Slovenia, 1990 to 2025 Electricity demand per person in Austria and Slovenia each year from 1990 to 2025, in MWh. In 2025 it was 8.49 MWh in Austria and 6.80 MWh in Slovenia. 0.0 2.5 5.0 7.5 10.0 19901995200020052010201520202025
Electricity demand per person in Austria and Slovenia each year from 1990 to 2025, in MWh. In 2025 it was 8.49 MWh in Austria and 6.80 MWh in Slovenia.
Annual statistics through 2025, MWh
Electricity demand per person in Austria and Slovenia, 1990 to 2025
YearAustriaSlovenia
1990n/an/a
1991n/an/a
1992n/an/a
1993n/an/a
1994n/an/a
1995n/an/a
1996n/an/a
1997n/an/a
1998n/an/a
1999n/an/a
20007.27 MWh6.19 MWh
20017.61 MWh6.39 MWh
20027.59 MWh6.76 MWh
20037.83 MWh7.02 MWh
20047.94 MWh7.28 MWh
20058.14 MWh7.41 MWh
20068.29 MWh7.56 MWh
20078.30 MWh7.58 MWh
20088.32 MWh7.31 MWh
20098.03 MWh6.55 MWh
20108.40 MWh6.92 MWh
20118.39 MWh7.10 MWh
20128.47 MWh7.07 MWh
20138.47 MWh7.06 MWh
20148.29 MWh7.00 MWh
20158.31 MWh7.16 MWh
20168.24 MWh7.30 MWh
20178.37 MWh7.53 MWh
20188.33 MWh7.55 MWh
20198.31 MWh7.47 MWh
20207.98 MWh7.08 MWh
20218.28 MWh7.25 MWh
20228.07 MWh7.00 MWh
20237.77 MWh6.63 MWh
20247.86 MWh6.75 MWh
20258.49 MWh6.80 MWh

Austria history · Slovenia history

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