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[EN25] Energy import dependency
Driving forces

Key message
Bad

Slovenia’s import dependence has been lower in recent years, amounting to 48% in 2023. Further increases in energy efficiency, the use of renewable sources, and the diversification of supply sources are essential. Slovenia is completely import-dependent for liquid fuels and natural gas. With regard to natural gas, Slovenia is import-dependent on two countries, Austria and Algeria. In the past, gas reaching Austria mostly came from Russia, but in recent years the supply structure has become more diversified due to the war and sanctions.

 

This indicator analyses several aspects affecting the reliability of energy supply:

  • dispersal of energy import by fuel type (import of fuels by country),
  • the import dependency of a country by fuel type,
  • contribution of individual fuel types to import dependency of the country (net import in relation to total energy consumption).

The indicator can be expressed in relative (the shares of individual sectors in final energy consumption) or absolute units. The unit used to express absolute values is thousand tonnes of oil equivalent (ktoe).

 

Charts

Figure EN25-1: Share of imported fossil fuels in total energy supply in Slovenia
Sources:

Statistical Office of the Republic of Slovenia, 2025

Show data
Import dependency in gross inland consumption[%] Natural gas[%] Oil products[%] Crude oil[%] Solid fuels[%]
2000 51.40 12.40 32.90 2.40 3.70
2001 49.10 12.30 33.70 0.10 3
2002 50.20 11.90 33.80 0.10 4.50
2003 51.20 12.90 33.90 0 4.40
2004 51.20 12.50 34.10 0 4.60
2005 50.50 12.40 33.70 0 4.40
2006 50.10 12.10 33.60 0 4.40
2007 49.80 12.20 33.30 0 4.40
2008 54.60 11.10 38 0 5.60
2009 50.20 11.60 34.90 0 3.60
2010 50 11.80 34.40 0 3.90
2011 48 10.10 34.40 0 3.50
2012 50.90 10.10 36.60 0 4.30
2013 47.20 10.10 33.30 0 3.80
2014 46.50 9.40 33.70 0 3.40
2015 47.60 10.10 34.40 0 3.10
2016 49.30 10.30 36.10 0 2.90
2017 50.20 10.50 36.90 0 2.80
2018 50.40 10.30 37 0 3.10
2019 50.50 10.80 36.60 0 3.20
2020 45.60 11.40 31.30 0 2.80
2021 46 11.70 32.70 0 1.60
2022 49 10.60 35.10 0 3.30
2023 48 10.70 34.20 0 3.20
Figure EN25-2: Import of liquid fuels by countries in period 2013-2023
Sources:

Statistical Office of the Republic of Slovenia, 2025

Show data
Brazil[ktoe] Kuwait[ktoe] Israel[ktoe] Switzerland[ktoe] Cyprus[ktoe] France[ktoe] Netherlands[ktoe] Bulgaria[ktoe] Spain[ktoe] India[ktoe] Croatia[ktoe] Hungary[ktoe] Other countries[ktoe] Saudi Arabia[ktoe] Austria[ktoe] Russian Federation[ktoe] Greece[ktoe] Italy[ktoe]
2010 12.34 0 0 409.66 1071.52 0 0 0 2.20 113.33 0 35.16 53.17 115.31 877.38 4.06 0 174.70
2011 1.10 0 0 2.20 1086.06 0 0 0 8.80 39.96 0 23.69 49.24 111.69 861.97 0 537.23 170.81
2012 0 0 0 469.22 1384.88 0 0 0 5.50 17.82 0 26.75 84.27 125.50 847.42 201.49 27.12 301.70
2013 0 1.04 1.04 1.10 1249.43 0.78 17.77 17.77 17.77 0 17.56 117.95 97.46 0 627.38 12.10 88.87 493.15
2014 0 5.20 72.05 0 1222.76 2.20 0 39.53 13.60 5.07 34.93 130.45 76.80 0 480.36 20.90 66.90 501.09
2015 0 3.12 0 134.95 1112.00 16.32 14.63 54.60 16.72 5.20 14.34 139.21 79.42 3.12 537.73 33.52 13.19 581.78
2016 0 0 0 1152.29 0 0 0 0 26.35 3.12 30.28 166.40 35.78 11.44 279.64 30.80 30.40 952.60
2017 0 0 0 1222.86 26.36 0 0 0 18.15 3.12 85.71 186.41 39.72 6.24 393.81 28.29 113.41 747.76
2018 0 106.07 64.89 0 33.46 42.59 75.03 0 167.31 0 171.94 147.74 219.16 39.52 304.61 258.17 153.00 1659.28
2019 0 0 30.46 0 30.46 76.14 0 0 97.46 0 170.05 138.21 242.70 0 482.80 16.50 358.00 1941.61
2020 0 0 13.21 0 71.13 0 90.44 68.80 107.71 129.05 225.27 146.04 271.30 173.69 540.43 219.23 336.99 1752.22
2021 0 0 0 0 0 71.56 36.73 125.63 103.66 0 84.54 135.52 268.50 126.24 500.35 263.20 357.97 2032.37
2022 82.01 0 121.74 0 0 0.22 35.21 0 0 113.40 81.60 117.63 100.86 42.71 531.72 299.67 482.75 1912.53
2023 0 0 0 0 0 0.08 4.50 30.09 30.32 31.39 66.68 116.36 211.59 211.65 470.48 746.60 752.69 1746.01
Figure EN25-3: Import of solid fuels by countries in period 2013-2023
Sources:

Statistical Office of the Republic of Slovenia, 2025

Show data
Other countries[ktoe] Romania[ktoe] Colombia[ktoe] Poland[ktoe] Russian Federation[ktoe] Austria[ktoe] Bosnia and Herzegovina[ktoe] Germany[ktoe] Czech Republic[ktoe] Italy[ktoe] Hungary[ktoe] Indonesia[ktoe]
2013 1 0 6 0 1 3 18 3 39 29 0 165
2014 1 0 5 0 1 1 10 1 6 19 0 176
2015 1 0 0 5 3 11 7 1 3 7 0 165
2016 1 0 0 4 0 12 2 1 3 7 0 167
2017 0 0 0 0 0 0 0 2 7 6 14 168
2018 0 0 0 0 0 0 0 1 8 6 13 185
2019 0 4 0 1 0 0 0 2 6 7 8 185
2020 0 0 0 1 8 0 0 0 5 6 14 147
2021 0 1 0 0 0 0 0 0 4 4 16 77
2022 0 2 0 0 0 0 0 2 3 3 11 189
2023 0 0 0 0 0 0 0 1 2 4 11 177
Figure EN25-4: Import of gaseous fuels by countries in period 2013-2023
Sources:

Statistical Office of the Republic of Slovenia, 2025

Show data
Not elsewhere specified[ktoe] Russian Federation[ktoe] Croatia[ktoe] Italy[ktoe] Algeria[ktoe] Austria[ktoe]
2013 0.88 443.30 0 45.95 0 275.72
2014 6.93 256.31 0 0 0 422.54
2015 7.38 220.57 0 22.07 0 485.24
2016 31.15 264.74 0 0 0 482.76
2017 16.32 187.71 0 0 0 612.11
2018 10.01 250.16 0 0 0 540.34
2019 0 95.66 0 1.87 0 715.19
2020 0 70.58 0 2.52 0 739.07
2021 0 116.48 0 1.71 9.42 728.86
2022 0 64.96 2 39.28 28.70 620.16
2023 0 0 6 18.94 206.15 497.52

Goals

• to ensure reliability of the energy supply;
• to increase reliability of the energy supply, which can be accomplished by reducing dependency on imported fuels and increasing the number of suppliers.

 

Related indicators

Last modified
02.12.2025
Author(s)

Blaž Kozjek, IJS-EEC

Matjaž Česen, JSI-EEC