HomeDecentralized EnergyCogeneration CHPTurboden to supply ORC-based geothermal CHP for German town

Turboden to supply ORC-based geothermal CHP for German town

Turboden is to supply an Organic Rankine Cycle (ORC) plant for a German geothermal project.

The order comes from Geothermie Holzkirchen GmbH, which is developing the project in the town of Holzkirchen in upper Bavaria. The firm is a subsidiary of the local utility and the project has been in the works since 2015, with commercial operation planned for the first quarter of 2019.

The 3.4 MWe ORC plant will be used to produce power and heat from a deep geothermal well, and will supply the local district heating network.

Included in the order is the complete geothermal power station including equipment, control system, construction at site and commissioning.

Turboden said it plans to employ a double pressure level process with proprietary turbine, process and air cooled condenser. To provide a turnkey solution, the company will establish a consortium with metal firm Th Arens Anlagenbau GmbH.

Annual revenues from the project are predicted to exceed €6m ($7m).

Turboden noted that while pure heat geothermal energy projects are less profitable during the summer due to lack of heat demand, more electricity can be produced in combined heat and power (CHP) mode in summer while heat supply can be ramped up in winter.

“This means an optimum economic exploitation of the available geothermal water,” the firm said.