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German engineering firm to build ORC geothermal power plant

Bavarian plant will use Organic Rankine Cycle process to generate electricity from water 4000m underground

Linde plans to tap into geothermal energy in water almost 2.5 miles underground
Linde plans to tap into geothermal energy in water almost 2.5 miles underground

Linde Engineering is to build its first geothermal plant in Germany. The plant, which will generate 38,640MWh of electricity a year, will generate energy from geothermally-heated water almost 2.5 miles underground.

The project will be built for local geothermal developer GEOenergie, at the company’s site in Kirchweidach, Bavaria. It will use an Organic Rankine Cycle (ORC) process to generate electricity from water deep underground. Once brought to the surface, the fluid is pumped into a boiler, where it is evaporated, passed through a turbine, and then recondensed.

Linde could not reveal the total capacity of the plant, citing a non-disclosure agreement it has signed with GEOenergie.

Linde Engineering said: “In the vast field of regenerative energy production, geothermal energy stands out because of its base load capacity. It is unaffected by the weather and day-night cycle and is therefore available around the clock.”

Work on the plant is due to start in summer 2012, with commissioning planned for 2013.