The jointly owned Slovenian-Croatian Krško nuclear power plant generated 497,404 MWh of net electricity during the reported month. Output was slightly below its 500,000 MWh production target. The shortfall was around 0.5% versus the plan.
In the corresponding previous period, Krško produced 505,827 MWh. That figure was about 1.2% above the same target. The comparison highlights a modest decline in monthly output against the reference level.
Availability and capacity factors remain at full levels
The plant reported full technical availability for the month. Both availability and capacity factors were stated at 100%. No technical problems were reported as affecting operations during the period.
Krško continues to supply baseload electricity for both Slovenia and Croatia. Its annual production is equivalent to roughly 20% of Slovenian electricity consumption and around 16% of Croatian demand. With those shares, even small changes in reactor availability can affect regional supply-demand balances.
Monthly gap does not point to mechanical reliability issues
The modest difference versus the monthly plan did not indicate a mechanical reliability issue. The reported figures show generation below target while maintaining full availability metrics. That combination separates performance against planning from any stated outage or technical constraint.
Operational attention around Krško has increasingly focused on environmental operating constraints. During periods of extreme summer heat and low river flows, cooling requirements can force generation reductions even when the reactor remains technically available. This cooling-water sensitivity is described as distinct from conventional equipment outages.
The distinction is also relevant in European nuclear markets where high summer temperatures can expose thermal generation assets to hydrological and cooling-water constraints. In that context, limits on cooling can affect output without corresponding technical failures at the unit level.








