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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By 2018, the implementation of energy efficiency (EE) and renewable energy source (RES) measures in the public sector resulted in a cumulative energy savings of 160 GWh, and the cumulative CO2 emissions reduction was 39 kt. The values of both indicators now lag behind the indicative annual target values by 32% and 20%, respectively, which is slightly less than the previous year, when the lags were 38% and 32%, respectively.


Most Slovenian forests are still undergoing natural regeneration, which guarantees the stability of future forest stands and adaptation to the changing site conditions caused by climate change. Restoration by planting seedlings and sowing (artificial regeneration) only complements natural regeneration when disturbances occur in the process of the natural regeneration of the forest, e.g. where there is no possibility of natural seeding, with the risk of developing erosion processes on exposed forest areas (e.g.


Greenhouse gas (GHG) emissions due to land-use change generally show a declining trend. GHG emissions from deforestation decreased by 1.3% in 2018 compared to the previous year, with more than half, i.e. 56.2%, of these emissions coming from the establishment of agricultural land. In 2018, GHG emissions decreased by 6.4% over the previous year due to land conversion to built-up and related land. The largest share of emissions (49%) is due to the conversion of agricultural land to built-up and related land.


Net greenhouse gas (GHG) emissions in the land use, land-use change, and forestry (LULUCF) sector were 243 kt CO2 eq in 2018. The LULUCF sector has been a net source of GHG emissions since 2014, or in other words, emissions in the sector are higher than the sinks. The largest contributor to the decrease in net removals in the sector are forest fellings, which increased by about 22% compared to 2017, according to the Slovenian Forest Service.


In 2018, 68% of all municipalities with district heating (DH) had energy efficient DH systems, i.e. systems that meet one of the criteria defined in Article 322 of the Energy Act. Compared to the previous year, the share decreased by a good 2 percentage points and the lag behind the 2020 target increased to 32.4 percentage points. 82.5% of all heat produced from DH systems was produced in energy efficient systems, which is similar to the previous year. In the fuel consumption structure, the predominance of coal and natural gas decreased slightly, by 0.9 percentage points to 83%.


According to data from the Ministry of Infrastructure, a total of 135 self-supply devices were connected in 2016, 720 in 2017, and another 1,302 in 2018. In 2016, 130 solar power plants and 5 hydroelectric power plants were connected with a total nominal power of just under 1.1 MW. In 2017, 718 solar power plants and 2 hydropower plants were connected, and the total nominal power of the connected units was slightly under 6.5 MW. In 2018 there were 1,299 solar power plants connected, 2 hydropower plants, and, for the first time, also 1 wind power plant.