en.Wedoany.com Reported - The Croatian Ministry of Economy has launched a tender for the drilling of additional geothermal wells at four locations in the country where preliminary exploration drilling has already been completed by the Croatian Hydrocarbon Agency (AZU). This initiative aims to establish production and injection well pairs at each site, thereby creating conditions for the future development and utilization of thermal fluids.

The application deadline for this tender is June 30, 2026. Detailed information and documents are available on the EUfondovi website (requires EU internet connection).

Between 2025 and 2026, AZU conducted geothermal exploration drilling at four locations: Velika Gorica, Osijek, Vinkovci, and Zaprešić. The drilling results confirmed the presence of commercially viable geothermal resources at all four sites. Meanwhile, the Croatian national power company, Hrvatska elektroprivreda (HEP), stated that it already provides heating services and has made infrastructure investments in these four cities, expressing interest in contributing to the further development of the project.

The activities covered by the tender include: drilling four additional geothermal wells (GT-2 in Velika Gorica, GT-2 in Osijek, GT-2 in Vinkovci, and GT-2 in Zaprešić), project management and administrative tasks, as well as project publicity and promotion. The European Regional Development Fund (ERDF) will provide total funding of €30 million, with a maximum co-financing rate of 85% of the total project costs.

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