Contact  |  Imprint  |  DeutschEnglish

History

1999
  • Foundation of the HotRock GmbH, Karlsruhe
2000
  • Grant of the first mining concession for the exploration of geothermal heat and brine in the Upper Rhine Graben
2003
2004
  • Reorganisation of the HotRock GmbH to the HotRock Group, foundation of the HotRock Engineering GmbH
2005
  • First comprehensive 2-dimensional seismic overview exploration campaign in deep geothermics  
  • Exploration well Offenbach GT 1 reaches as a deflected well the Buntsandstein (Lower Trias) at a depth of 2.850 m with evidence of a maximum temperature of 165°C
2006
  • First 3-dimensional seismic measurements being conducted for the exploration of deep geothermal reservoirs in progress for the exploration well Bellheim GT 1
2008
  • Contract formation of the first all risk coverage insurance, backing finding and drilling risks regarding a portfolio of three projects in the Upper Rhine Graben
  • Well Insheim GT 1 – proof of the prognosticated reservoir temperature including sufficient findings
  • Selling of the project corporation EWK Insheim to a subsidiary of the Pfalzwerke AG
2009
  • Start of the well site preparation for the well Rülzheim GT
2011
  • Participation on the mediation for deep geothermics in the southern Palatine region
2012
  • Geothermal Project Rülzheim