Stop Burning Waste: How to Turn Organic and Livestock Waste into Clean Energy

Organic waste is everywhere. Farms produce livestock manure and crop residues, food businesses generate food scraps, and rural households create biodegradable waste every day. When these materials are poorly managed, they can become a source of pollution, odors, and greenhouse gas emissions. But organic waste can also be a resource.

Through organic waste to energy systems, biodegradable materials can be processed to recover energy in the form of biogas. The same process can also produce a nutrient-rich byproduct that can be used in agriculture. For farmers and rural communities, this creates an opportunity to connect waste management, renewable energy, and farming instead of treating each problem separately.

Why Burning Organic Waste Is Not a Sustainable Solution

Burning agricultural waste may seem like a quick way to clear unwanted materials. Crop residues and other dry organic waste are sometimes burned because they are difficult to store or transport. However, open burning releases smoke and pollutants while also losing the energy and nutrients contained in the material. Once the waste is burned, there is little opportunity to recover those resources.

Livestock waste presents a different but related challenge. Manure that is left unmanaged can create odors, attract pests, contaminate water, and release greenhouse gases as it decomposes. Rather than focusing only on how to dispose of organic waste, communities can look at how to recover value from it. This is an important shift in rural waste management. Waste from farming and livestock production can become an input for another process, including energy production.

Organic Waste Can Become a Source of Energy

Organic materials contain energy that can be released through biological processes. When biodegradable waste is broken down under controlled conditions, microorganisms can produce a gas that can be captured and used as fuel.

Potential materials for waste to energy in Indonesia include:

• Livestock manure

• Food waste

• Crop residues

• Agricultural processing waste

• Other biodegradable organic materials

The most suitable feedstock depends on what is available locally. A cattle farm may have a steady supply of manure, while an agricultural processing area may have large quantities of crop waste. This local availability is one reason renewable energy from waste can be relevant to rural areas. Instead of relying entirely on fuel brought in from elsewhere, communities can explore energy sources connected to their existing agricultural activities.

Not every type of organic waste is suitable for the same system, so factors such as moisture content, quantity, collection methods, and the consistency of the feedstock need to be considered before developing a project.

How Biogas Turns Waste into Clean Energy

One of the most established ways to recover energy from organic waste is through anaerobic digestion. In a biogas digester, microorganisms break down organic material in an environment without oxygen. This produces biogas, which contains methane and can be captured and used as an energy source.

Depending on the system, biogas can be used for:

• Household cooking

• Heating

• Electricity generation

• Other suitable energy applications

This makes biogas from organic waste useful in places where biodegradable materials are consistently available. The process does not end with the gas. After digestion, the remaining material, commonly called digestate or bioslurry, contains nutrients from the original organic waste. With appropriate treatment and application, it can be used as an agricultural input.

This gives the system two potential outputs: energy and nutrients. Instead of simply moving waste from one place to another, anaerobic digestion creates a pathway for recovering useful resources.

Read also: How Ecosystem Restoration Can Reduce Forest Fire Risks in Indonesia

Why Livestock Waste Is Ideal for Biogas

Livestock manure is one of the most practical feedstocks for small and community-scale biogas systems because it is produced regularly. A farm with cattle, pigs, or other livestock may generate manure every day. Managing this waste can require time, space, and labor, particularly when there is no suitable system for collection and treatment. With a properly designed digester, manure can become a feedstock for energy production. 

Biogas from livestock manure can provide fuel for cooking or other farm energy needs, while the remaining bioslurry can potentially be returned to agricultural land. This creates a direct connection between livestock waste management and renewable energy. The waste produced by livestock can support the same farming system instead of becoming a separate disposal problem.

However, biogas production depends on consistent feedstock and proper system management. The type and quantity of manure, water availability, digester design, temperature, and regular maintenance can all affect performance. For this reason, a successful project starts with understanding the farm and community rather than choosing a technology first.

Biogas Creates a Circular Waste System

Biogas fits naturally into the principles of a circular economy because materials can move from one part of a system into another.

A simple farm-based cycle might look like this:

Livestock → Manure → Biogas → Energy

The remaining material can follow another pathway:

Manure → Digestion → Bioslurry → Fertilizer → Crops

The result is a system where waste does not necessarily represent the end of a process. Instead, it becomes an input for energy production or agriculture. This is the basic idea behind circular economy biogas. The objective is not simply to produce renewable energy, but to keep useful materials circulating for as long as possible.

The approach can also be adapted to other organic waste streams. Food waste, agricultural residues, and processing byproducts may be incorporated into suitable systems when the material is compatible with the digestion process.

How Farmers and Communities Can Benefit

Biogas for farmers can turn a daily waste problem into a source of energy and agricultural value. The main benefits include better livestock waste management, local energy production, and resource recovery.

Better Livestock Waste Management

Processing manure in a biogas digester provides a more controlled way to manage livestock waste. It can help reduce the accumulation of untreated manure and create a more organized system for handling waste on the farm.

Access to Local Energy

Biogas can provide a locally produced fuel for cooking and other suitable energy needs. This can be particularly useful for rural households that have a regular supply of livestock manure but limited access to other energy sources.

Recover Nutrients for Agriculture

Biogas production also leaves behind bioslurry, which contains nutrients from the original feedstock. With appropriate treatment and application, it can be used as an organic fertilizer, allowing nutrients to return to agricultural production.

Benefits Beyond the Farm

The same approach can work at a community scale. Several households or livestock producers may contribute organic waste to a shared biogas system, depending on local conditions and available infrastructure.

This can turn livestock waste to energy into a community resource rather than an individual farm solution. However, successful systems still require a reliable feedstock supply, suitable design, regular maintenance, and participation from the people using them.

Biogas Can Support Climate-Resilient Communities

Rural communities often depend on agriculture while also facing changing weather conditions, rising resource pressures, and fluctuations in energy costs. Local energy production can help diversify how communities meet their energy needs. When organic waste is already available locally, using it for biogas can reduce the need to transport waste away while creating a source of energy closer to where it is needed.

The agricultural connection is equally important. When the byproducts of livestock production can return to farmland as nutrients, energy and agriculture become part of the same resource cycle. This can support more efficient use of local materials while reducing dependence on a purely linear system.

In this way, livestock waste to energy can contribute to climate resilience through more integrated resource management. Biogas is not a single solution to rural climate challenges. It works best as part of a broader approach that can include sustainable agriculture, waste reduction, efficient resource use, and other renewable energy sources.

Turning Waste into Change with su-re.co

At su-re.co, biogas is approached as more than an energy technology. Its projects connect organic waste, renewable energy, agriculture, and local communities to develop practical sustainability solutions.

Through its Think–Do–Be approach, su-re.co combines research, practical implementation, and education. Its biogas work includes solutions that turn organic waste into cooking energy and fertilizer, particularly in rural and agricultural settings.

su-re.co also explores how agricultural waste can become a useful feedstock. Its work with coffee waste, for example, looks at the potential of coffee pulp for biogas production, connecting waste management with energy and agricultural systems.

These projects show how organic waste to energy can support a broader circular approach: waste becomes an input, energy is recovered, and nutrients can return to agriculture. For farmers, organizations, and communities exploring practical renewable energy and waste management solutions, visit su-re.co to learn more about its biogas and sustainability projects.