Hybrid geothermal-fossil electricity generation from low enthalpy geothermal resources...


States that hybrid steam power plants with geothermal feedwater preheating allow the conversion of geothermal energy into electricity in countries with low-enthalpy geothermal resources. In order to estimate the potential of fossil-fuel hybrid power plants with geothermal feedwater preheating, examines the application of this concept using the examples of two modern coal fired power plants. In addition, compiles energy output and economic efficiency calculations for this concept, utilising the thermal water data of an existing geothermal heating installation and an experimental facility for the hot dry rock technology. Concludes that the concept promises considerable benefits in terms of efficient electricity generation and environmental protection in countries with the appropriate prerequisites.

Primary Author(s): Bruhn M

Source: Energy Int. J., April 2002, vol.37, no.4, 329-346, 6 figs, 5 tabs, 33 refs.

             BSRIA Abstract Doc 000103206 Abs 20020355

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