Serbia has begun test operations at the newly completed Kostolac wind farm, marking the first wind-powered facility within the system of the state-owned utility Elektroprivreda Srbije (EPS). Following approval for grid connection, voltage was activated at the substation and four feeder lines, enabling the first turbine to begin generating electricity — a milestone that produced the project’s initial megawatt-hours.
With an installed capacity of 66 MW, the Kostolac wind farm represents a significant step toward expanding Serbia’s renewable energy portfolio. The facility is being developed on a rehabilitated former mining disposal site, giving the degraded land a new, sustainable purpose. Energization of additional turbines across several nearby locations is currently under way.
The wind farm is expected to generate 187 million kWh annually, enough to supply green electricity to approximately 30,000 households. The project is financed through a €110 million loan from the German development bank KfW, complemented by €30 million in EU grants provided via the Western Balkans Investment Framework (WBIF), alongside EPS’s own investment.
Once fully operational, Kostolac will support Serbia’s broader goals of increasing renewables, reducing carbon intensity, and accelerating the country’s long-term energy transition.
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