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In 2025, Croatia's renewable energy sector achieved a historic milestone, with solar, wind, biomass, and biogas generating over 5 terawatt hours (TWh), accounting for 26.6% of total electricity consumption. This marked the first time that these sources collectively surpassed all other generation technologies.

Renewables, including hydropower, supplied 52.6% of Croatia's total electricity, with total consumption reaching 19,326 gigawatt hours (GWh), a 1.01% increase from 2024. Notably, biomass and biogas plants showed a 5.5% growth in the second quarter, providing essential dispatchable capacity.

Despite this growth, Croatia imported 3,137 GWh of electricity, primarily from Hungary and Bosnia and Herzegovina. Hydropower remained the largest single generation source at 5,022 GWh but fell by 18.4% year-on-year due to unfavorable hydrological conditions. The rise of renewables coincided with a 51.6% decrease in fossil fuel generation.