KAZALCI OKOLJA

Environmental indicators in Slovenia

Environmental indicators are based on graphs, maps and assessments and as such present environmental trends in Slovenia. The indicators represent one of the four pillars of our environmental reporting, and are prepared in accordance with the Environmental Protection Act. The Environmental Indicators in Slovenia website enables users to browse among 180 indicators. They are based on numerical data and they indicate the state, characteristics and trends of environmental development in Slovenia. They are prepared using a systematic approach based on data and monitoring, as shown in the information pyramid.

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Nature and biodiversity

[NB09] Plants – invasive species

18.03.2022

The share of present invasive species (eg. Robinia pseudacacia, Ailanthus altissima, Buddleja davidii, Erigeron annuus) in the last decade shows an increasing trend. An increase in the share of invasive species is evident along the great lowland rivers Sava, Mura and Drava, as well as along the Kolpa river. In higher areas of Slovenia, particularly in the Alps and the Dinaric region, invasive species are very few or entirely absent. However, a notable increase in their share along the western border of the Dinaric region raises concerns.

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[PO] EU - ETS

[PO29] The installed capacity of the systems for the production of electricity from RES

11.09.2026

From 2012 to 2024, the installed capacity of the systems for the production of electricity from RES has increased by 78,5%. More than three quarters of that increase, 77,2%, was achieved in the last five years. The indicator is currently on a trajectory of achieving the annual indicative values until 2030 set in the National Energy and Climate Plan from 2024 (NECP 2024).

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[PO] Buildings

[PO12] Final energy consumption, GHG emissions and the share of renewables in the buildings

11.09.2026

Final energy consumption in buildings amounted to 1,475 ktoe in 2024 and was 2% above the annual indicative value, which was therefore not achieved. Compared to the previous year, it remained at approximately the same level, and compared to 2005, it decreased by 23%. Greenhouse gas GHG emissions in buildings amounted to 1,100 kt CO₂ eq in 2024, thus the annual indicative value was also not achieved.

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Energy

[EN31] Efficiency of systems of production, transport and distribution of electricity and heat

11.09.2026

In Slovenia, almost 74% of the energy supply is available to final users. This share is influenced to by far the greatest extent by the efficiency of electricity and heat generation.

In 2024, 48% of the energy input was lost in electricity and heat generation in thermal power plants and combined heat and power plants. Compared with the EU-27 countries, Slovenia ranked in the bottom half.

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[PO] Other sectors

[PO20] GHG emissions due to the leakage of F-gases from devices

11.09.2026

F-gas emissions from leaks from stationary installations decreased in 2025 mainly due to lower use of refilled refrigerants. Despite the reduction distance to the indicative target for reducing emissions from the use of F-gases under the EU F-gases Regulation remained large. Compared to 2015, F-gas emissions from leaks were 23% lower in 2025, while, according to the F-gases Regulation, they should have been lower by 76%.

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[PO] Multisectorial indicators

[PO22] Emissions productivity

11.09.2026

The emission productivity in Slovenia decreased in 2024 and amounted to 3,09 EUR2010/kg CO2 eq. The preliminary estimate for 2025 indicates that emissions productivity has improved, reaching EUR 3.5 EUR2010/kg CO2 eq. The progress in emission productivity in Slovenia when compared to the European Union (EU), is still relatively slow, thus there is a need to further strengthen the connection between economic development and measures for reducing GHG emissions.

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