Friday, October 9, 2009
Geothermal Europe: Project Landau
Do you know, which is the first commercial geothermal power plant in Germany? It is "Geothermieprojekt" in Landau. It started to be realized under the study of geological conditions of the Upper Rhine Valley in 2003. The project started to be implemented in 2004 and since 21st November 2007 Landau Power Plant has become officially operational.
Facility in Landau exploits thermal water of temperature 155 Celsius degrees from the depth of 3.000 meters (33 degrees deflection). Above the surface, it is consumed in two ways. High temperature is used for generating the steam as a fuel for turbine generating the electricity. Once it leaves the primary mechanism, water has the temperature about 72 Celsius degrees. This residual heat is adsorbed by heating systems. The water of temperature 50 Celsius degrees is injected back under the surface via 3.170 meters deep injection well (25 degrees deflection).
Electricity generating system uses Organic Rankine Cycle - ORC.
In comparison with geothermal well in Unterhaching, this production well produces less than a half of the second one's volume - flow rate varies from 50 to 70 liters of thermal water per second. In Landau, there is total geothermal output from 6 to 8 Megawatts available. Project has installed electrical power capacity 3 Megawatts. It means the capacity to produce 20 million kilowatt hours generated per year, which is sufficient for supplying 6,000 households.
In matter of CO2 savings, in comparison with traditional fossil fuels incineration, Landau saved annually approx. 5.800 tons of greenhouse gas emissions. More information you will find no site of "Geothermieprojekt Landau".