2G Energy AG, together with its subsidiaries, manufactures systems for decentralized energy supply in Germany and internationally. The company offers g-box, a natural gas combined heat and power (CHP) unit with an electrical output range of 20 kW to 50 kW; aura, a CHP unit with an output range from 100 kW to 420 kW; agenitor, a CHP unit with a capacity of 75 kW to 500 kW; avus, a CHP unit with an electrical output range of 548 kW to 4,500 kW; and afilia, a large-scale heat pump. It also provides spare parts; maintenance and repair services; installation, digital, and control solutions; and leasing services for CHP systems, as well as operates a training center.