According to data from the Statistical Office of the Republic of Slovenia, the country’s net electricity generation in December 2025 increased by 1% compared to the same month last year. Total net generation reached 1,280 GWh, which is 3% lower than in November 2025.
In December, thermal power plant production rose by 3% year-on-year, while hydropower generation decreased by 4%. Output from the Krško nuclear power plant remained largely unchanged. Production from wind and solar power plants saw a significant increase of 15%.
Electricity imports in December amounted to 819 GWh, down 14% compared to December 2024, while exports totaled 840 GWh, also 14% lower. Household consumption reached 406 GWh, up 29% from November, whereas commercial consumption declined by 16%, totaling 552 GWh.
Overall, the supply of energy commodities decreased in December, with the exception of lignite and brown coal (+27%), natural gas (+7%), and kerosene (+2%) compared to November. Supplies of other petroleum products fell 40%, hard coal by 24%, coke by 16%, heating oil by 15%, LPG by 8%, diesel by 7%, and petrol by 2% compared to the previous month.
Compared to December 2024, the supply of LPG decreased by 23%, lignite and brown coal by 11%, heating oil by 6%, and coke by 5%, reflecting an overall decline in energy commodity availability on a yearly basis.