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Built 2026-11-05 (5 November 2026)

Italy vs Slovenia: Electricity Compared

Italy generated 265 TWh of electricity in 2025 and Slovenia 14.9 TWh, according to Ember. Italy's largest source was gas (47.4%); Slovenia's was nuclear (39.3%). Each kWh generated emitted 285 gCO2/kWh in Italy and 183 gCO2/kWh in Slovenia. These are Ember annual statistics for 2025, compiled from national sources; they are not real time.

Who is bigger and who is cleaner? Italy is the bigger electricity producer, generating 17.9 times as much as Slovenia in 2025 (265 TWh against 14.9 TWh). Slovenia has the cleaner electricity by carbon intensity, at 183 gCO2/kWh against 285 gCO2/kWh in Italy in 2025.

Why this comparison: neighbours by land border or interconnector.

Open this comparison in the interactive tool to add more countries or change the metric.

Key Facts

  • Gas supplied 47.4% of Italy's electricity in 2025, against 6.4% in Slovenia.
  • Italy's electricity was 1.6 times as carbon intensive as Slovenia's in 2025, at 285 gCO2/kWh against 183 gCO2/kWh.
  • Low carbon sources supplied 48.7% of Italy's electricity in 2025 and 78.9% of Slovenia's.
  • Electricity demand in 2025 was 312 TWh in Italy and 14.4 TWh in Slovenia.

Key Figures, 2025

Ember annual statistics
Measure Italy Slovenia
Total generation265 TWh14.9 TWh
Electricity demand312 TWh14.4 TWh
Demand per person5.27 MWh6.80 MWh
Carbon intensity285 gCO2/kWh183 gCO2/kWh
Power sector emissions75.6 MtCO22.72 MtCO2
Low carbon share48.7%78.9%
Largest sourceGas 47.4%Nuclear 39.3%

Generation Mix, 2025

Share of generation
Source Italy Slovenia
Gas 47.4% 6.4%
Nuclear 0.0% 39.3%
Hydro 15.7% 27.5%
Solar 16.8% 10.1%
Coal 1.4% 14.7%
Wind 8.1% 0.1%
Bioenergy 5.9% 1.9%
Other fossil 2.6% 0.0%
Other renewables 2.1% 0.0%

Carbon Intensity, 1990 to 2025

Ember annual statistics
Carbon intensity of electricity in Italy and Slovenia, 1990 to 2025 Carbon intensity of electricity generated in Italy and Slovenia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 285 gCO2/kWh in Italy and 183 gCO2/kWh in Slovenia. 0 150 300 450 600 19901995200020052010201520202025
Carbon intensity of electricity generated in Italy and Slovenia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 285 gCO2/kWh in Italy and 183 gCO2/kWh in Slovenia.
Annual statistics through 2025, gCO2/kWh
Carbon intensity of electricity in Italy and Slovenia, 1990 to 2025
YearItalySlovenia
1990564 gCO2/kWh376 gCO2/kWh
1991534 gCO2/kWh325 gCO2/kWh
1992527 gCO2/kWh406 gCO2/kWh
1993518 gCO2/kWh419 gCO2/kWh
1994518 gCO2/kWh384 gCO2/kWh
1995542 gCO2/kWh382 gCO2/kWh
1996525 gCO2/kWh367 gCO2/kWh
1997520 gCO2/kWh387 gCO2/kWh
1998520 gCO2/kWh384 gCO2/kWh
1999501 gCO2/kWh362 gCO2/kWh
2000502 gCO2/kWh362 gCO2/kWh
2001499 gCO2/kWh366 gCO2/kWh
2002523 gCO2/kWh386 gCO2/kWh
2003523 gCO2/kWh394 gCO2/kWh
2004511 gCO2/kWh364 gCO2/kWh
2005510 gCO2/kWh371 gCO2/kWh
2006507 gCO2/kWh383 gCO2/kWh
2007505 gCO2/kWh389 gCO2/kWh
2008485 gCO2/kWh351 gCO2/kWh
2009459 gCO2/kWh341 gCO2/kWh
2010446 gCO2/kWh353 gCO2/kWh
2011446 gCO2/kWh360 gCO2/kWh
2012438 gCO2/kWh359 gCO2/kWh
2013399 gCO2/kWh336 gCO2/kWh
2014379 gCO2/kWh245 gCO2/kWh
2015399 gCO2/kWh317 gCO2/kWh
2016390 gCO2/kWh326 gCO2/kWh
2017393 gCO2/kWh319 gCO2/kWh
2018367 gCO2/kWh305 gCO2/kWh
2019351 gCO2/kWh299 gCO2/kWh
2020334 gCO2/kWh277 gCO2/kWh
2021339 gCO2/kWh269 gCO2/kWh
2022378 gCO2/kWh258 gCO2/kWh
2023323 gCO2/kWh224 gCO2/kWh
2024281 gCO2/kWh230 gCO2/kWh
2025285 gCO2/kWh183 gCO2/kWh

Demand per Person, 1990 to 2025

Ember annual statistics
Electricity demand per person in Italy and Slovenia, 1990 to 2025 Electricity demand per person in Italy and Slovenia each year from 1990 to 2025, in MWh. In 2025 it was 5.27 MWh in Italy and 6.80 MWh in Slovenia. 0.0 2.0 4.0 6.0 8.0 19901995200020052010201520202025
Electricity demand per person in Italy and Slovenia each year from 1990 to 2025, in MWh. In 2025 it was 5.27 MWh in Italy and 6.80 MWh in Slovenia.
Annual statistics through 2025, MWh
Electricity demand per person in Italy and Slovenia, 1990 to 2025
YearItalySlovenia
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
20005.49 MWh6.19 MWh
20015.59 MWh6.39 MWh
20025.71 MWh6.76 MWh
20035.84 MWh7.02 MWh
20045.83 MWh7.28 MWh
20055.88 MWh7.41 MWh
20065.97 MWh7.56 MWh
20075.96 MWh7.58 MWh
20085.90 MWh7.31 MWh
20095.53 MWh6.55 MWh
20105.66 MWh6.92 MWh
20115.70 MWh7.10 MWh
20125.59 MWh7.07 MWh
20135.41 MWh7.06 MWh
20145.28 MWh7.00 MWh
20155.38 MWh7.16 MWh
20165.34 MWh7.30 MWh
20175.46 MWh7.53 MWh
20185.47 MWh7.55 MWh
20195.46 MWh7.47 MWh
20205.16 MWh7.08 MWh
20215.50 MWh7.25 MWh
20225.42 MWh7.00 MWh
20235.26 MWh6.63 MWh
20245.37 MWh6.75 MWh
20255.27 MWh6.80 MWh

Italy history · Slovenia history

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

Cite this page
APA 7

World Power Monitor. (2025). Italy vs Slovenia: Electricity Compared. https://worldpowermonitor.com/compare/italy-vs-slovenia/

Plain text

World Power Monitor. Italy vs Slovenia: Electricity Compared. Data as of 2025. Data from Ember. https://worldpowermonitor.com/compare/italy-vs-slovenia/

BibTeX 
@misc{wpm_compare_italy_vs_slovenia_2025,
  title = {{Italy vs Slovenia: Electricity Compared}},
  author = {{World Power Monitor}},
  year = {2025},
  note = {Data as of 2025. Data from Ember.},
  url = {https://worldpowermonitor.com/compare/italy-vs-slovenia/}
}

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