Icelandic geothermal drilling specialist North Tech Energy has been engaged by PT Geo Dipa Energy, a state-owned geothermal operating and development company for developing a drilling program and conduct slim well drilling on the geothermal working areas (WKP) of Arjuno Welirang and Umbul Telemoyo Temple. The two working areas were assigned as part of a total of 8 geothermal working areas assigned by the Indonesian government to PT Geo Dipa.