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2G Energy

2G Energy is a supplier of combined heat and power (CHP) cogeneration systems and large heat pumps for decentralized power supply.

Last updated September 15, 2026

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Overview

2G Energy is a supplier of large heat pumps and cogeneration plants for decentralized power supply via combined heat and power. Its U.S. subsidiary, 2G Energy Inc., describes itself as a globally recognized leader in CHP solutions, specializing in cogeneration systems for fuels including natural gas, biogas, landfill gas, syngas, and hydrogen, with power outputs from 50 to 4,500 kW. The company operates as an engine manufacturer and full CHP system packager, integrating proprietary engines alongside select partners. It reports over 9,000 installations worldwide. The name '2G' derives from the names of founders Christian Grotholt and Ludger Gausling and has come to symbolize the dual generation of electricity and heat. 2G Energy AG began in 1995 as '2G Bio-Energietechnik AG', focusing on biogas cogeneration plants.

History

2G Energy AG began in 1995 as '2G Bio-Energietechnik AG', focusing on biogas cogeneration plants. The name '2G' reflects the company's founding vision, derived from the names of its founders, Christian Grotholt and Ludger Gausling, and has come to symbolize the dual generation of electricity and heat. The company operates as a supplier of large heat pumps and cogeneration plants for decentralized power supply via combined heat and power. Its U.S. subsidiary, 2G Energy Inc., is described as the U.S. subsidiary of 2G Energy AG (Germany) and a globally recognized leader in CHP solutions, specializing in cogeneration systems for various fuels with power outputs from 50 to 4,500 kW. The U.S. headquarters is in St. Augustine, Florida, with additional regional offices in Puerto Rico and California, and a North American subsidiary in Ontario, Canada.

Products and positioning

Technological leader in its sector, delivering efficient and reliable energy systems.

  • g-box

    Small power plant with electrical output of 50–60 kW, connection-ready and compact, suitable for hotels, offices, and residential buildings.

  • aura

    CHP unit with output of 100–420 kW, available for natural gas and propane.

  • agenitor

    CHP unit with output of 80–750 kW, available for biogas, natural gas, hydrogen, and propane.

  • avus

    CHP unit with output of 499–2,500 kW, available for biogas, natural gas, and propane.

  • DR aura

    Demand response unit with 412–530 kW PRP / 620 kW ESP, for natural gas and propane.

Sources5 sources

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