According to data from the Statistical Office of the Republic of Slovenia, the country’s net electricity generation in June 2025 dropped by 25 percent compared to the same month in 2024. Total net production for the month amounted to 1,145 gigawatt-hours (GWh), which also represents an 8 percent decline from May 2025.
Thermal power plant output in June 2025 fell sharply—by 72 percent compared to June of the previous year—while hydropower production was down by 40 percent. The Krško nuclear power plant produced 2 percent less electricity than in June 2024. In contrast, wind and solar power generation saw a notable rise of 49 percent.
Electricity imports increased to 940 GWh, up 34 percent year-over-year, while exports declined to 1,031 GWh, a 14 percent drop compared to June 2024.
Household electricity consumption in June totaled 220 GWh, marking a 6 percent decline from May, whereas commercial consumption rose to 588 GWh, up 7 percent month-over-month.
In terms of energy commodity supply, most categories recorded a decline in June. However, the supply of liquefied petroleum gas (LPG) increased by 67 percent, petrol by 5 percent, and diesel by 2 percent. On the other hand, significant decreases were noted in the supply of other petroleum products (down 53 percent), hard coal (21 percent), heating oil (19 percent), kerosene (17 percent), coke (14 percent), and natural gas (13 percent) compared to the previous month.
When compared to June 2024, the supply of other petroleum products was down 42 percent, hard coal by 36 percent, diesel by 9 percent, and coke by 8 percent.
