Donja Dubrava SPP is located in the municipality of Sveta Marija in Međimurje County, along the River Drava derivation canal. Sprawling over 17.6 hectares, it is is currently the largest photovoltaic power plant in Croatia.

Featuring 23,114 photovoltaic panels, each with a 535 Wp rated power, the installed capacity of the facility reaches an impressive 12.36 MWp. The plant is powered by 44 advanced 250 kW inverters, and it is managed via KONČAR’s PROZA NET SCADA system.

The total power distributed between two compact transformer stations with a voltage ratio of 0.8/35 kV is supplied by four 2,500 kVA oil-insulated power transformers, resulting in a total connection capacity of 9.9 MW.

The total annual generated power, which is estimated at 14 GWh, is transmitted to the connection facility at a 35 kV voltage level. From there onwards, further transformations are carried out, and ultimately, the electricity is directed towards end consumers. Transformer stations are set up with modern equipment and advanced protective devices, allowing monitoring of each parameter at the power plant, even in the event of a power outage.

According to the methodology of the Environmental Protection and Energy Efficiency Fund, over the 30-year life cycle, the power plant will emit approximately 167 tons less of carbon dioxide into the environment compared to the energy generated by conventional power plants. This will enable the investor to boost the revenue realized from the sale of green electricity while simultaneously reducing the cost of purchasing CO2 emission quotas.

Donja Dubrava SPP is another flagship renewable project, driving forward the green transition of Croatia’s power system, and further reducing the industry’s carbon footprint.