Croatia vs Slovenia: Electricity Compared

Croatia generated 14.7 TWh of electricity in 2025 and Slovenia 14.8 TWh, according to Ember. Croatia's largest source was hydro (39.3%); Slovenia's was nuclear (39.4%). Each kWh generated emitted 158 gCO2/kWh in Croatia 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 and similar electricity demand on the same continent.

Key Facts

Nuclear supplied 39.4% of Slovenia's electricity in 2025, against none in Croatia.
Electricity demand rose 12% in Croatia between 2020 and 2025, while it fell 4% in Slovenia.
Low carbon sources supplied 76.4% of Croatia's electricity in 2025 and 79.0% of Slovenia's.
Electricity demand in 2025 was 20.0 TWh in Croatia and 14.3 TWh in Slovenia.

Key Figures, 2025

Ember annual statistics

Measure	Croatia	Slovenia
Total generation	14.7 TWh	14.8 TWh
Electricity demand	20.0 TWh	14.3 TWh
Demand per person	5.20 MWh	6.80 MWh
Carbon intensity	158 gCO2/kWh	182 gCO2/kWh
Power sector emissions	2.33 MtCO2	2.70 MtCO2
Low carbon share	76.4%	79.0%
Largest source	Hydro 39.3%	Nuclear 39.4%

Generation Mix, 2025

Share of generation

Source	Croatia	Slovenia
Nuclear	0.0%	39.4%
Hydro	39.3%	27.5%
Wind	21.2%	0.1%
Gas	18.7%	6.4%
Coal	5.0%	14.7%
Solar	8.9%	10.2%
Bioenergy	6.8%	1.9%
Other renewables	0.1%	0.0%

Carbon Intensity, 1990 to 2025

Ember annual statistics

Carbon intensity of electricity generated in Croatia and Slovenia each year from 1990 to 2025, in gCO2/kWh. In 2025 it was 158 gCO2/kWh in Croatia and 182 gCO2/kWh in Slovenia.

Annual statistics through 2025, gCO2/kWh

Carbon intensity of electricity in Croatia and Slovenia, 1990 to 2025
Year	Croatia	Slovenia
1990	361 gCO2/kWh	376 gCO2/kWh
1991	242 gCO2/kWh	325 gCO2/kWh
1992	334 gCO2/kWh	406 gCO2/kWh
1993	325 gCO2/kWh	419 gCO2/kWh
1994	218 gCO2/kWh	384 gCO2/kWh
1995	253 gCO2/kWh	382 gCO2/kWh
1996	186 gCO2/kWh	367 gCO2/kWh
1997	283 gCO2/kWh	387 gCO2/kWh
1998	311 gCO2/kWh	384 gCO2/kWh
1999	289 gCO2/kWh	362 gCO2/kWh
2000	303 gCO2/kWh	362 gCO2/kWh
2001	307 gCO2/kWh	366 gCO2/kWh
2002	370 gCO2/kWh	386 gCO2/kWh
2003	414 gCO2/kWh	394 gCO2/kWh
2004	315 gCO2/kWh	364 gCO2/kWh
2005	337 gCO2/kWh	371 gCO2/kWh
2006	347 gCO2/kWh	383 gCO2/kWh
2007	420 gCO2/kWh	389 gCO2/kWh
2008	383 gCO2/kWh	351 gCO2/kWh
2009	302 gCO2/kWh	341 gCO2/kWh
2010	268 gCO2/kWh	353 gCO2/kWh
2011	376 gCO2/kWh	360 gCO2/kWh
2012	353 gCO2/kWh	359 gCO2/kWh
2013	256 gCO2/kWh	336 gCO2/kWh
2014	227 gCO2/kWh	245 gCO2/kWh
2015	275 gCO2/kWh	317 gCO2/kWh
2016	276 gCO2/kWh	326 gCO2/kWh
2017	256 gCO2/kWh	319 gCO2/kWh
2018	202 gCO2/kWh	305 gCO2/kWh
2019	243 gCO2/kWh	299 gCO2/kWh
2020	229 gCO2/kWh	277 gCO2/kWh
2021	210 gCO2/kWh	269 gCO2/kWh
2022	245 gCO2/kWh	258 gCO2/kWh
2023	195 gCO2/kWh	224 gCO2/kWh
2024	171 gCO2/kWh	230 gCO2/kWh
2025	158 gCO2/kWh	182 gCO2/kWh

Demand per Person, 1990 to 2025

Ember annual statistics

Electricity demand per person in Croatia and Slovenia each year from 1990 to 2025, in MWh. In 2025 it was 5.20 MWh in Croatia and 6.80 MWh in Slovenia.

Annual statistics through 2025, MWh

Electricity demand per person in Croatia and Slovenia, 1990 to 2025
Year	Croatia	Slovenia
1990	n/a	n/a
1991	n/a	n/a
1992	n/a	n/a
1993	n/a	n/a
1994	n/a	n/a
1995	n/a	n/a
1996	n/a	n/a
1997	n/a	n/a
1998	n/a	n/a
1999	n/a	n/a
2000	3.38 MWh	6.19 MWh
2001	3.55 MWh	6.39 MWh
2002	3.65 MWh	6.76 MWh
2003	3.82 MWh	7.02 MWh
2004	3.91 MWh	7.28 MWh
2005	4.05 MWh	7.41 MWh
2006	4.15 MWh	7.56 MWh
2007	4.27 MWh	7.58 MWh
2008	4.36 MWh	7.31 MWh
2009	4.26 MWh	6.55 MWh
2010	4.36 MWh	6.92 MWh
2011	4.29 MWh	7.10 MWh
2012	4.23 MWh	7.07 MWh
2013	4.20 MWh	7.06 MWh
2014	4.12 MWh	7.00 MWh
2015	4.31 MWh	7.16 MWh
2016	4.38 MWh	7.30 MWh
2017	4.59 MWh	7.53 MWh
2018	4.70 MWh	7.55 MWh
2019	4.71 MWh	7.47 MWh
2020	4.52 MWh	7.08 MWh
2021	4.86 MWh	7.25 MWh
2022	4.81 MWh	7.00 MWh
2023	4.88 MWh	6.63 MWh
2024	5.07 MWh	6.75 MWh
2025	5.20 MWh	6.80 MWh

Croatia history · Slovenia history

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

Croatia vs Slovenia: Electricity Compared

Key Facts

Key Figures, 2025

Generation Mix, 2025

Carbon Intensity, 1990 to 2025

Demand per Person, 1990 to 2025

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