Slovenia is already well on its way to a sustainable electricity future, with more than four-fifths of its electricity derived from low-carbon sources. This is a commendable achievement demonstrating the country's commitment to clean energy. Nuclear power makes up almost two-fifths of Slovenia's electricity generation, signifying its pivotal role in providing a stable and continuous supply of clean electricity. Hydropower contributes almost a third, further showcasing Slovenia's dedication to harnessing environmentally friendly energy sources. However, a fifth of electricity still comes from fossil fuels, including coal and gas, which contribute to climate change and air pollution. As Slovenia aims to electrify and decarbonize other sectors such as transport, heating, and industry, increasing electricity from sustainable sources remains crucial.
Data sources used on this page include IEA. More about data sources →
Is Electricity Growing in Slovenia?
Despite Slovenia's strong base of clean electricity, the data shows a decline in overall electricity consumption per person. In 2025, electricity consumption stands at 6684 kWh per person, a significant drop from the peak of 8471 kWh per person in 2014. This decline corresponds with a decrease in low-carbon electricity generation, which is now 5414 kWh per person compared to the previous record of 6440 kWh per person in 2014. These reductions indicate challenges in expanding electricity supply to meet future demands for electrification in various sectors. The decline in the low-carbon electricity generation per capita is a cause for concern, as it could hinder efforts to mitigate climate change.
Suggestions
To bolster its low-carbon electricity generation, Slovenia should focus on expanding its existing capabilities in nuclear and solar energy. Nuclear power provides a reliable and high-capacity source of clean electricity, crucial for meeting base demand, while solar energy offers a sustainable and increasingly cost-effective solution for daytime electricity use. Increasing capacity in these areas will not only support domestic demand but also position Slovenia to take advantage of future opportunities in energy export once electrification increases. By investing strategically in these green technologies, Slovenia can strengthen its commitment to a sustainable electricity future while aiding in the global effort to combat climate change.
History
In the early 1990s, Slovenia experienced fluctuations in its low-carbon electricity generation, with notable declines and increases, such as the drop in nuclear power in 1992 followed by a recovery in 1994. The new millennium brought more stability, with significant growth in hydropower in 2004, although fluctuations continued with some years of decline. The 2010s showed mixed results as well, marked by both increases and decreases in hydropower and nuclear capabilities, like the increments in 2014 of both energy types. More recently, fluctuations in hydropower reflect variabilities beyond the country's control, highlighting the need for a robust and resilient power mix. By building on nuclear and solar power, Slovenia could achieve a more stable and less climate-dependent green energy grid.
