ZAGREB (Croatia), June 29 (SeeNews) - Croatian diversified group Djuro Djakovic [ZSE:DDJH-R-A] said on Thursday it has signed a 71.1 million kuna ($10.9 million/9.6 million euro) deal with local energy and construction company Geoen for the construction of a geothermal power plant near the country's central city of Bjelovar.