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Table 3 Ongoing EGS projects (R&D and commercial) generating electricity

From: A systematic review of enhanced (or engineered) geothermal systems: past, present and future

Project Type of power plant Flow rate (l/s) Distance between producer and injector (km) Installed electrical capacity (MWe) Thermal capacity (MWth) Flow assurance problem
B.       
Bruchsal Kalina cycle (BMU2011) 28.5 (BMU2011) 1.4 (BMU2011) 0.55 (BMU2011) 5.5 (GtV 2013) High salt contents (100 g/l); high CO2 concentration (BMU 2011)
Landau Organic Rankine Cycle (BINE 2012d) 70 to 80 (Baumgärtner 2012) 1.5 (Bracke 2012) Up to 3.6 (Baumgärtner 2012) 2 to 5 (Baumgärtner 2012) Unknown
Insheim Organic Rankine Cycle (Informationsportal Tiefe Geothermie 2013b) 65 to 85 (planned) (Pfalzwerke-geofuture 2012) Unknown 4.8 (Pfalzwerke-geofuture 2012) 6 to 10 (Pfalzwerke-geofuture 2012) Unknown
Neustadt-Glewe Organic Rankine Cycle (Bracke 2012) 35 (Bracke 2012) 1.5 (BMU2011) 0.21 (Bracke 2012) 4 (Bracke 2012) High salt content, high gas concentration (Bracke 2012)
Unterhaching Kalina cycle (BMU 2011) 150 (Bracke 2012) 4.5 (Bracke 2012) 3.36 (Bracke 2012) 38 (Bracke 2012) Unknown
Soultz Organic Rankine Cycle (BMU 2011) 30 (BMU 2011) 0.6 (BMU 2011) 1.5 (BMU 2011) Non-scheduled (Dumas 2010) Corrosion due to high salt contents (BMU 2011)
Bouillante Double and single flash (Bertini et al. 2006) 150 (Bertini et al. 2006) 0.5 (Bertini et al. 2006) 15 (Bertini et al. 2006) Unknown Unknown
Altheim Organic Rankine cycle (Bayerisches Landesamt für Wasserwirtschaft 2011) 81.7 (Bayerisches Landesamt für Wasserwirtschaft 2011) 1.7 (Bayerisches Landesamt für Wasserwirtschaft 2011) 1.0 (Bloomquist 2012) 12.4 (Bayerisches Landesamt für Wasserwirtschaft 2011) Clogging by a mixture consisting of stone material and bentonite (Pernecker 1999)
Lardarello Not known 100 (Cappetti 2006) Variable: generally > 0.5 (ENGINE 2008a) 700 (ENGINE 2008b) Not known Highly corrosive, total loss of circulation when very high permeability fracture zones are encountered (ENGINE 2008b)
Coso Unknown Unknown 1.4 (Julian et al. 2009) 240 (Karner 2005) Unknown Unknown
Desert Peak Unknown 100 (Chabora and Zemach 2013) Unknown 1.7 (additional) (Chabora and Zemach 2013) Unknown Wellbore instability due to chemical stimulation (Chabora et al. 2012)
Berlín Binary power plant (Prevost 2004) Unknown Unknown 54 (Bommer et al. 2006) 56 (Rodríguez 2000) Unknown
Cooper Basin Unknown 30 (Holl 2012) Unknown 1 (Geodynamics 2013) Unknown Unknown
Hijiori Binary Power Plant (DiPippo 2012a) 17 (Sasaki 1998) 0.038 to 0.063 (DiPippo 2012a) 0.13 (DiPippo 2012a) 8 (DiPippo 2012a) High water losses (Johansson et al. 1993), precipitation of anhydrite (DiPippo 2012a)