ocean energy

Turboden to supply 5-MW geothermal ORC plant in Germany

Turboden, a Pratt & Whitney Power Systems company with 30 years of expertise and experience in the design and manufacture of Organic Rankine Cycle (ORC) power generation systems, will supply a 5-MWe geothermal ORC turbogenerator unit to the German utility SWM – Stadtwerke München located in Bavaria (Germany).

The geothermal plant is a 5-MWe ORC turbogenerator based on a two pressure level cycle, fed with geothermal fluid at 140°C and cooled by air condensers. The plant will provide the existing district heating network, which is already fed by a 600-kWe Turboden biomass unit - with an additional 4 MW of thermal power (4000 MWhth/yr). Startup is planned for the last quarter of 2011.

“This 5-MWe geothermal plant is going to be an important benchmark for both Turboden and the European geothermal industry,” said Paolo Bertuzzi, General Manager of Turboden. “We are already having other negotiations in Europe and in other markets thanks to the support of Pratt& Whitney Power Systems.”

SWM – Stadtwerke München is one of the biggest city utilities companies in Germany, and supplies energy and municipal services making an enormous contribution to the standard of living in Munich. General Contractor Karl Lausser GmbH was awarded the public works contract.

In the geothermal sector, Turboden offers a series of modular ORC units with high efficiency, ranging in sizes from 1MW to 10MWe and scalable solutions for larger plants. Geothermal Turboden ORC can produce electricity from geothermal sources with medium to low temperature, ranging between 90°C and 180°C.

Biomass, geothermal and solar thermal

Turboden systems are driven by a simple evaporation process and are entirely enclosed, which means they produce no emissions. The ORC systems can be powered with a variety of renewable energy sources including geothermal, biomass, solar thermal power and industrial waste heat.

Turboden is an Italian company with more than 115 plants installed worldwide and offers standard turbogenerators from 200 kWel to 4 MWel (standard units) and up to 10 MWel (customised units).

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