
Caterpillar Inc. offers a wide range of reliable gas power solutions through its Cat brand. Cat biogas generator sets provide economical and sustainable power for agricultural farms, wastewater treatment, landfills, and other industries. Byproduct gases from agricultural, food processing, and industrial processes are captured to produce agricultural biogas for Cat low-energy fuel generators. Cat biogas generators are specifically engineered to withstand the challenges of biogas applications, including the ability to handle variations in methane content. The company has helped customers like Seacliff, which collects vegetable and animal waste to generate biogas, and a farmer in Cylinder, Iowa, who installed a 50 kW solar array to support a new barn for 2,400 hogs.
| Characteristics | Values |
|---|---|
| Company Name | Caterpillar Inc. |
| Flagship Brand | Cat |
| Product | Biogas generator sets |
| Product Use | Generating power for agricultural farms, wastewater treatment, landfills, and other industries |
| Fuel Type | Natural gas, biogas, coal mine gases, hydrogen fuel blends |
| Power System | Combined heat and power (CHP) |
| Product Features | Corrosion-resistant, handles variations in methane content |
| Pricing | Varies by dealer and region; “dealer price” is the lowest price shown for machine configurations on the "Build Your Own" page |
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What You'll Learn

Caterpillar's biogas generator sets
Caterpillar is a leading provider of power generation solutions, with a range of reliable gas power offerings. Their Caterpillar generator sets are designed to deliver unmatched performance, reliability, and cost-effectiveness.
One example of a successful implementation of Caterpillar's biogas generator sets is at Nong Rai Farm. Metro Machinery Co., Ltd. installed two biogas-fueled Caterpillar generator sets capable of producing a combined total of nearly 200 kW. This project included the installation of control panels and automatic transfer switches to ensure the reliable and efficient distribution of the generated power.
Caterpillar's biogas solutions offer a range of benefits, including long-term cost savings and environmental advantages. By utilizing organic waste sources, such as municipal solid waste, landfill waste, manure, and crop residues, these generator sets produce valuable energy while reducing the impact of accumulated waste. Additionally, when combined with a combined heat and power (CHP) solution, biogas can also provide heating and thermal power, making it a versatile and sustainable energy option.
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Biogas as a sustainable energy source
Biogas is a renewable energy source produced by the breakdown of organic matter. It is a more sustainable solution than traditional natural gas, as it is made from biodegradable biomass resources such as animal waste, human waste, industrial and municipal waste, and agricultural farm waste. This organic matter will decay naturally, so capturing the gases produced and using them as an energy source is better for the environment than letting them escape into the atmosphere. Biogas can be used to fuel vehicles, heat homes, and generate electricity.
Biogas has gained popularity in recent years as a "greener" fuel, but it is not without its challenges. One of the main challenges to the use of biogas is the unsteady production and quality variations, which can lead to interference in generation or biogas applications and thus lower reliability. There are also concerns about the sustainability of biogas technology due to many nonfunctional and disused biogas plants. For example, in India, only about 42% of combined biogas and biomass gasification projects for the Village Energy Security Program (VESP) were operational by the end of the project.
However, with the right processing, biogas can be upgraded to replace mined natural gas for use as fuel for electricity production, ground transportation, and commercial and residential buildings. Biogas is also an economical alternative to fuels like diesel and natural gas, as it uses organic waste sources to produce valuable energy. When combined with cogeneration or a combined heat and power (CHP) solution, biogas can provide heating and thermal power, making it a long-term solution for delivering power in a cost-effective way.
Caterpillar, or Cat, offers biogas generator sets that provide economical and sustainable power for agricultural farms, wastewater treatment, landfills, and other industries. These generators are engineered to handle fuel with variations in methane content, and when combined with a CHP system, they can increase efficiency even further. Cat has helped customers create energy from waste using biogas generators, such as Seacliff, which collects vegetable and animal waste from nearby farms and greenhouses to generate enough biogas to fuel a power plant.
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Caterpillar's gas power solutions
Caterpillar Energy Solutions offers highly efficient and eco-friendly distributed power generation solutions. With its two brands, MWM and Cat®, Caterpillar manufactures gas engines, electricity power plants, and CHP plants.
Caterpillar's Cat® brand offers a range of gas power solutions, including natural gas-fueled combined heat and power (CHP) systems, renewable biogas energy, and electricity generated from coal mine gases. Cat biogas generator sets are designed to provide economical and sustainable power for agricultural farms, wastewater treatment, landfills, and other industries. These generators can handle fuel with variations in methane content, typical of biogas operations, and can be configured to use propane, natural gas blended with hydrogen, and other low-emission fuels.
Cat natural gas generators are also designed for demand response programs, which compensate large energy users for producing extra power during high consumption periods. This can be a perfect combination for energy needs, especially with the increasing threat of utility power outages in many areas of the US.
In addition to the environmental benefits of reduced emissions, Caterpillar's gas power solutions offer long-term savings with typically lower average fuel costs. The company's gas engines and cogeneration systems are designed for demanding conditions and can be run on natural gas, biogas, and hydrogenous gases.
Caterpillar has helped customers succeed with biogas solutions in various ways. For example, a Cat® dealer helped Memphis-based Callan Salvage & Appraisal dispatch mobile generators to power Mayfield Grain, saving 6,800 trailer loads of grain worth over $30 million. In another instance, Metro Machinery Co., Ltd. installed two biogas-fueled Caterpillar generator sets capable of producing a total of nearly 200 kW at Nong Rai Farm.
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Caterpillar's biogas generators for agricultural farms
Caterpillar's low-energy fuel farm generators are designed to handle the impurities and inconsistencies in biogas, reducing the need for pretreatment. Their biogas engines include a crankcase ventilation pump to eject potentially acidic blow-by gases. Caterpillar also provides radiators to cool the engine jacket water, engine oil, and aftercooler water circuits when power is produced locally without heat recovery.
Caterpillar's biogas generator sets are a sustainable and economical way to generate power for agricultural farms. By using organic waste sources such as municipal solid waste, landfill, manure, wastewater sludge, and crop residues, farms can produce valuable energy while minimizing waste. This makes biogas a long-term, cost-effective solution for power generation, as it is less dependent on the larger electric grid in the event of unplanned power outages.
Caterpillar's generator sets are also designed to maximize performance and efficiency. When combined with a combined heat and power (CHP) solution, the generator sets can provide heating and thermal power to sites, reducing the waste of heat energy that is usually released into the environment. This further increases the efficiency of the power generation process and helps farms reduce their greenhouse gas emissions.
Caterpillar's biogas generators have been installed at various agricultural sites, such as Seacliff, which collects vegetable and animal waste from nearby farms to generate biogas, and Nong Rai Farm, which installed two biogas-fueled generator sets capable of producing a total of nearly 200 kW. These generators have helped farms reduce energy costs and increase sustainability, showcasing Caterpillar's expertise in providing reliable and efficient power solutions for the agricultural industry.
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$18.99

Caterpillar's biogas generators for waste water treatment
Caterpillar offers a wide range of reliable gas power solutions for agricultural farms, wastewater treatment, landfills, and other industries. Their biogas generator sets are designed to help businesses maximize long-range cost savings and environmental benefits.
Biogas is a sustainable, economical, and efficient alternative to diesel and natural gas. It uses organic waste sources such as municipal solid waste, landfill, manure, wastewater sludge, and crop residues to produce energy. Caterpillar's biogas generators are specifically engineered to handle the challenges of biogas applications. Key components are hardened against the corrosive properties of the gas, maximizing longevity and efficient operation. The generators can handle variations in methane content, optimizing the efficient and effective conversion of gas to electrical power.
Caterpillar's cogeneration solution has helped Gresham WWTP, a wastewater treatment plant in Oregon, achieve its energy net-zero goals. A Cat G3508 gas generator set was installed, producing 400 kW in a combined heat and power (CHP) application. The cogeneration system includes a modern biogas scrubbing system that removes moisture, hydrogen sulfide, and siloxanes. The generator set produces power and heat, supplying 50% of the treatment plant's power needs and saving about $250,000 in annual electrical costs.
Caterpillar also provides renewable biogas energy to support the local grid. Byproduct gases from agricultural, food processing, and industrial processes are captured to produce agricultural biogas for Cat low-energy fuel generators. This nearly free power can help reduce energy costs and create new revenue streams for wastewater treatment plants.
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Frequently asked questions
Caterpillar Inc. is a corporation that offers a full portfolio of brands that provide machines, engines, components, services, and solutions to meet the unique needs of a variety of industries and customers worldwide.
The flagship brand is Cat, which offers products engineered to perform and designed to last, with support from the largest, most experienced dealer network in the world.
A Cat biogas generator is a generator that uses byproduct gases from agricultural, food processing, and industrial processes to produce energy.
Cat biogas generators are sustainable, economical, and efficient alternatives to fuels like diesel and natural gas. They are designed to help lower greenhouse gas emissions and provide cost savings and environmental benefits.
You can purchase a Cat biogas generator in the USA through an authorized Cat dealer. The actual prices and terms and conditions of sale are determined by the selling authorized Cat dealer at the time of sale.











































