2G Blog

July 28, 2023

Harnessing Renewable Energy: Exploring the Potential of Biogas CHP

In our quest for sustainable energy solutions, we often look towards renewable alternatives that can reduce our dependence on fossil fuels. Biogas combined heat and power (CHP) systems have emerged as a promising solution, offering the simultaneous production of heat and electricity from organic waste materials. This blog post delves into the concept of biogas CHP, its benefits, and its potential for a greener and more energy-efficient future.

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Understanding biogas combined heat and power (CHP)

Biogas CHP systems utilize the potential of biogas, a mixture of methane and carbon dioxide produced through the anaerobic digestion of organic waste materials. These waste materials can include agricultural residues, food waste, sewage sludge, and various other organic by-products. The biogas is captured, cleaned, and utilized as a fuel source for power generation.


The power of a biogas combined heat and power (CHP)

Biogas CHP systems utilize the energy content of biogas and produce both heat (or cooling) and electricity, thereby maximizing its potential. The process involves the combustion of biogas in an engine to generate mechanical power. This power is then converted into electricity using a generator. The residual heat generated during the conversion process is captured and used for various heating applications, such as space heating, water heating, or industrial processes. By capturing and utilizing waste heat that would otherwise be lost in conventional power generation, biogas CHP systems boast impressive energy efficiency levels.


Benefits of biogas combined heat and power (CHP)

1.       Renewable energy solution: biogas is a renewable resource that can be continuously produced from organic waste, offering a sustainable alternative to fossil fuels.

2.       Waste Management: Biogas CHP provides an effective waste management solution by repurposing organic waste that would otherwise contribute to landfills or be released into the environment. This reduces methane emissions, a potent greenhouse gas, and minimizes the negative environmental impact associated with waste disposal.

3.       Energy efficiency: Biogas CHP systems excel in energy efficiency by simultaneously generating electricity and capturing waste heat, making them more efficient than separate heat and power generation methods.

4.       Grid independence: Biogas CHP systems offer decentralized energy generation, enabling businesses and communities to reduce reliance on the grid. This increases energy independence and resilience, ensuring a continuous and reliable energy supply.

5.       Circular economy: Biogas CHP supports the circular economy concept by converting organic waste into valuable resources. The process generates renewable energy and produces nutrient-rich digestate, which can be used as a natural fertilizer in agriculture, completing the cycle of sustainability.


Applications of biogas combined heat and power (CHP)

1.       Agriculture: Farmers can utilize biogas CHP systems to convert animal manure and crop residues into electricity and heat, reducing energy costs and promoting sustainable farming.

2.       Waste treatment plants: Biogas produced from sewage sludge or organic waste in wastewater treatment plants can be harnessed for combined heat and power generation, reducing reliance on external energy sources.

3.       Industrial processes: Industries with high heat requirements, such as food processing and breweries, can benefit from biogas CHP systems by utilizing waste heat for their operations.

4.       Residential and commercial buildings: Biogas CHP systems can be integrated into buildings to provide electricity and heat, increasing energy self-sufficiency and reducing reliance on the grid.



2G Energy is one of the world’s leading manufacturers of combined heat and power generation systems (CHP), providing a decentralized supply of heat and electricity using reciprocating piston engines that run on natural gas, biomethane, biogas, sewage gas, landfill gas or hydrogen. The systems in the portfolio range from an electrical output of 60 to 4,500 kW. Customers range from farmers in municipalities, commercial enterprises, medium-scale and big industrial companies to the energy sector. In addition to its headquarters in Heek, located in the "Münsterland" region in western Germany, 2G is represented by subsidiaries in several European countries as well as North America and has about 800 employees worldwide. Since its foundation in 1995, 2G has commissioned more than 8,000 systems throughout the world.