According to data from the Statistical Office of the Republic of Slovenia, the country’s net electricity generation in May 2025 totaled 1,261 GWh, marking a 5% decrease compared to the same month last year and a 1% decline from April 2025.
Thermal power generation saw the steepest drop, falling by 36% year-on-year, followed by hydropower, which declined by 18%. In contrast, the Krško nuclear power plant increased its output by 10%, while electricity production from wind and solar sources grew by 30%.
In terms of electricity trade, Slovenia imported 799 GWh in May—5% more than in May 2024—while exports reached 1,001 GWh, representing a 4% decrease year-on-year.
Household electricity consumption in May amounted to 235 GWh, 6% less than in April, while commercial consumers used 549 GWh, also a 5% decrease compared to the previous month.
Overall, energy commodity supply was down in May, with a few notable exceptions. Compared to April, the supply of kerosene rose by 46%, natural gas by 7%, other petroleum products by 7%, petrol by 2%, and hard coal by 2%. However, significant declines were recorded in the supply of liquefied petroleum gas (LPG), down 43%, heating oil down 15%, and diesel down 12%.
Compared to May 2024, the downward trends continued, with the supply of LPG falling by 43%, diesel by 22%, other petroleum products by 10%, and petrol by 8%.
