Greenhouse Gas (GHG) Inventory Services for the Fertilizer Industry Sector

Greenhouse gas management is becoming increasingly important for fertilizer companies because fertilizer production can involve substantial energy consumption, chemical processing, raw materials, transportation, and direct process emissions. A structured greenhouse gas inventory can help companies understand where emissions originate, establish a reliable baseline, identify carbon hotspots, and develop practical emission reduction strategies.

The fertilizer industry plays an important role in supporting agricultural productivity. However, producing fertilizers—particularly nitrogen-based fertilizers—can also generate greenhouse gas emissions through fuel combustion, natural gas use, ammonia production, electricity consumption, transportation, and other industrial processes.

For this reason, a Greenhouse gas inventory can become an important management tool for fertilizer manufacturers. Instead of relying on general assumptions, companies can calculate Scope 1, Scope 2, and relevant Scope 3 emissions using actual activity data and appropriate emission factors.

The results can then be used to improve energy efficiency, strengthen environmental management, prioritize decarbonization projects, and monitor greenhouse gas performance over time.

What Is Greenhouse Gas?

A Greenhouse gas is a gas in the atmosphere that absorbs and re-emits infrared radiation, contributing to the greenhouse effect.

Important greenhouse gases relevant to industrial and agricultural activities can include:

• Carbon dioxide or CO₂.
• Methane or CH₄.
• Nitrous oxide or N₂O.
• Other greenhouse gases where relevant to the company’s operations.

Different greenhouse gases have different climate impacts, so emissions are commonly converted into carbon dioxide equivalent or CO₂e.

Why Greenhouse Gas Management Matters for the Fertilizer Industry

The fertilizer industry can have a complex greenhouse gas profile because emissions can occur at several stages of the value chain.

Potential sources include:

• Raw material production.
• Natural gas consumption.
• Ammonia production.
• Fuel combustion.
• Purchased electricity.
• Steam generation.
• Transportation.
• Waste treatment.
• Downstream fertilizer use where included in the assessment.

A structured Greenhouse gas inventory helps separate these sources and determine which ones contribute most significantly to total emissions.

Environmental Impacts of the Fertilizer Industry

The fertilizer industry can affect the environment in several ways.

Greenhouse Gas Emissions

Fertilizer manufacturing can generate CO₂ and other greenhouse gas emissions through energy use, chemical processes, and industrial operations.

Emission intensity can vary significantly depending on:

• Fertilizer type.
• Production technology.
• Feedstock.
• Energy source.
• Plant efficiency.
• System boundaries.

Air Pollution

Fertilizer plants may also generate air pollutants such as ammonia, particulates, and other process-related emissions.

These pollutants should be distinguished from greenhouse gases because they have different environmental and health impacts.

Dust and Particulate Emissions

Material handling, granulation, drying, packaging, and transportation can generate dust if appropriate controls are not implemented.

Dust-control systems are therefore important for occupational and environmental management.

Greenhouse Gas Emission Sources in Fertilizer Production

Understanding emission sources is one of the first steps in preparing a Greenhouse gas inventory.

Natural Gas

Natural gas can function as both an energy source and, in certain fertilizer-production pathways, a feedstock.

Its use can contribute significantly to greenhouse gas emissions.

Steam Production

Steam is widely used in industrial processes.

If boilers burn fossil fuels to generate steam, this can create direct CO₂ emissions.

Electricity

Purchased electricity can contribute to Scope 2 emissions.

Electricity may be used for:

• Compressors.
• Pumps.
• Motors.
• Cooling systems.
• Material handling.
• Packaging.

Process Emissions

Certain fertilizer-production processes can generate greenhouse gases directly through chemical transformation.

These emissions should be distinguished from emissions caused only by fuel combustion.

Greenhouse Gas and Ammonia Production

Ammonia is an important intermediate product for many nitrogen fertilizers.

Conventional ammonia production can have a significant carbon footprint because hydrogen production and process energy may rely on fossil-based feedstocks.

Potential greenhouse gas sources include:

• Hydrogen production.
• Feedstock conversion.
• Process heat.
• Electricity.
• Direct process CO₂.

For nitrogen fertilizer manufacturers, ammonia production can therefore become an important carbon hotspot.

Greenhouse Gas and Urea Production

Urea production is closely connected with ammonia and carbon dioxide streams.

Its total greenhouse gas footprint depends on the wider production system, including:

• Ammonia production.
• Natural gas consumption.
• Steam.
• Electricity.
• Plant efficiency.
• Allocation methodology.

For this reason, a single emission-intensity value should not automatically be treated as representative of every urea plant.

Greenhouse Gas vs Air Pollutants

It is important to distinguish greenhouse gas emissions from conventional air pollutants.

For example:

• CO₂, CH₄, and N₂O are greenhouse gases.
• Ammonia can be an important air pollutant and environmental concern but is not generally treated as one of the principal greenhouse gases in a corporate GHG inventory.
• Dust and particulate matter affect air quality but are not automatically included in greenhouse gas totals.

Companies may therefore need separate environmental monitoring systems for climate emissions and conventional pollutants.

Why the Fertilizer Industry Needs a Greenhouse Gas Inventory

1. Understand Emission Sources

A Greenhouse gas inventory helps companies determine where emissions originate.

Instead of assuming that all processes contribute equally, companies can identify the largest sources.

2. Establish a Carbon Baseline

A baseline represents the reference point used to measure future greenhouse gas reductions.

A reliable baseline can help companies compare annual performance consistently.

3. Improve Energy Efficiency

GHG inventory results can reveal energy-intensive processes.

This can help companies prioritize improvements in:

• Boilers.
• Compressors.
• Steam systems.
• Heat exchangers.
• Motors.
• Pumps.

4. Support Environmental Management

Reliable greenhouse gas data can strengthen internal environmental management and support sustainability reporting.

5. Improve Climate Transparency

Companies can communicate greenhouse gas performance more clearly when calculations are based on documented methodologies and activity data.

Scope 1 Greenhouse Gas Emissions

Scope 1 includes direct greenhouse gas emissions from sources owned or controlled by a company.

Examples in the fertilizer industry may include:

• Natural gas combustion.
• Boilers.
• Process furnaces.
• Generators.
• Company-owned vehicles.
• Direct process emissions.

Scope 2 Greenhouse Gas Emissions

Scope 2 generally covers greenhouse gas emissions associated with purchased energy.

This can include:

• Purchased electricity.
• Purchased steam.
• Purchased heat.
• Purchased cooling where relevant.

Energy efficiency and lower-carbon electricity can help companies reduce Scope 2 emissions.

Scope 3 Greenhouse Gas Emissions

Scope 3 covers other indirect value-chain emissions.

Depending on the company and fertilizer product, relevant sources may include:

• Purchased raw materials.
• Purchased ammonia.
• Packaging.
• Third-party transportation.
• Capital goods.
• Waste treatment.
• Product distribution.
• Use of sold fertilizer where relevant.

For companies seeking a broader understanding of climate impacts, Scope 3 analysis can be particularly important.

Greenhouse Gas Emissions from Fertilizer Use

The climate impact of nitrogen fertilizer can continue after the product leaves the production facility.

When nitrogen fertilizer is applied to agricultural soil, biological processes can generate N₂O.

These emissions can depend on:

• Fertilizer type.
• Nitrogen application rate.
• Soil conditions.
• Climate.
• Moisture.
• Agricultural management.

If downstream use is included in the greenhouse gas assessment boundary, these emissions may need to be quantified.

How to Prepare a Greenhouse Gas Inventory for Fertilizer Companies

1. Define Organizational Boundaries

The company should determine which facilities, subsidiaries, production units, and operations are included.

2. Define the Reporting Period

A specific reporting year should be selected.

Using a consistent period improves comparability.

3. Identify Greenhouse Gas Sources

Relevant Scope 1, Scope 2, and Scope 3 sources should be identified.

4. Collect Activity Data

Potential data include:

• Natural gas consumption.
• Fuel consumption.
• Electricity consumption.
• Steam consumption.
• Production volume.
• Raw materials.
• Transportation.
• Waste.

5. Select Appropriate Emission Factors

Emission factors should match the relevant activity, energy source, material, geography, and reporting methodology.

6. Calculate Greenhouse Gas Emissions

A common calculation principle is:

Greenhouse Gas Emissions = Activity Data × Emission Factor

The resulting greenhouse gases can be converted into CO₂e.

7. Review Data Quality

Companies should evaluate:

• Completeness.
• Accuracy.
• Consistency.
• Traceability.

8. Identify Carbon Hotspots

The inventory can then show which processes contribute the largest share of emissions.

Greenhouse Gas Inventory and ISO 14064

ISO 14064 provides internationally recognized principles and requirements related to greenhouse gas quantification and reporting at the organizational level and related assurance activities.

Companies can use relevant ISO 14064 requirements as part of a structured greenhouse gas management approach.

However, simply calculating emissions does not automatically mean that a company is certified under ISO 14064.

Greenhouse Gas Inventory and GHG Protocol

The GHG Protocol provides widely used frameworks for corporate greenhouse gas accounting.

It supports the classification of emissions into:

• Scope 1.
• Scope 2.
• Scope 3.

Using a consistent framework can improve the structure, transparency, and comparability of greenhouse gas inventories.

Carbon Hotspots in Fertilizer Production

Potential greenhouse gas hotspots may include:

• Natural gas.
• Hydrogen production.
• Ammonia production.
• Process emissions.
• Steam.
• Electricity.
• Transportation.

The actual ranking should be determined from company-specific data.

7 Strategies to Reduce Greenhouse Gas Emissions in the Fertilizer Industry

1. Improve Energy Efficiency

Companies can improve equipment performance and reduce unnecessary energy consumption.

Important systems may include:

• Compressors.
• Boilers.
• Steam systems.
• Motors.
• Pumps.
• Heat exchangers.

2. Improve Process Efficiency

Better process control can reduce fuel, raw material, and energy losses.

3. Recover Waste Heat

Waste-heat recovery can potentially reduce the amount of new thermal energy required by industrial processes.

4. Increase Renewable Energy

Companies can evaluate lower-carbon electricity and renewable-energy options where technically appropriate.

5. Evaluate Lower-Carbon Ammonia Pathways

Alternative ammonia pathways may reduce greenhouse gas intensity depending on hydrogen source, electricity, carbon capture, and overall process performance.

6. Evaluate Carbon Capture

Some fertilizer production processes may produce concentrated CO₂ streams that can potentially be captured.

The actual climate benefit should consider:

• Capture rate.
• Energy requirements.
• Transport.
• Storage.
• Lifecycle emissions.

7. Improve Logistics

Transportation emissions may be reduced through:

• Route optimization.
• Better vehicle utilization.
• Efficient transport modes.
• Reducing unnecessary trips.

Greenhouse Gas Inventory and Energy Efficiency

A greenhouse gas inventory can reveal how much fuel and electricity contribute to total emissions.

Companies can then establish energy-performance indicators such as:

• Natural gas per tonne of fertilizer.
• Electricity per tonne of product.
• Steam per production unit.
• tCO₂e per tonne of fertilizer.

These indicators can help management evaluate whether efficiency programs are producing measurable improvements.

Greenhouse Gas Inventory and Emission Reduction Targets

Once a reliable baseline has been established, companies can create greenhouse gas reduction targets.

A target should clearly define:

• Baseline year.
• Target year.
• Emission boundary.
• Reduction level.
• Calculation methodology.

Greenhouse Gas Monitoring and Reporting

Greenhouse gas management should be continuous.

Companies can monitor:

• Total annual tCO₂e.
• Emission intensity.
• Scope 1 emissions.
• Scope 2 emissions.
• Relevant Scope 3 emissions.
• Energy consumption.
• Progress against reduction targets.

Greenhouse Gas Reduction Management Cycle

A practical carbon-management cycle can be summarized as:

Measure → Establish Baseline → Identify Carbon Hotspots → Set Targets → Reduce → Monitor → Report → Improve

Measurement establishes current performance.

The baseline provides a reference point.

Carbon hotspots identify priorities.

Reduction strategies translate data into practical actions.

Monitoring shows whether greenhouse gas emissions actually decrease.

Companies Associated with Indonesia’s Fertilizer Industry

The original article identifies several companies associated with Indonesia’s fertilizer sector, including:

1. PT Dupan Anugerah Lestari
2. PT ASEAN Aceh Fertilizer
3. PT Pupuk Indonesia Utilitas
4. PT Pupuk Indonesia Pangan
5. PT Pupuk Kujang Cikampek

The companies listed can have different businesses, production boundaries, and greenhouse gas profiles.

For this reason, a greenhouse gas inventory should be developed using actual organizational and operational data rather than assuming that all fertilizer-related companies have equivalent emission sources.

Greenhouse Gas Inventory Services from Actia

Actia provides Greenhouse gas inventory services for companies operating in the fertilizer sector.

The service can help companies measure emissions in greater detail and develop practical reduction strategies.

Experienced Team

Actia can support fertilizer companies in identifying greenhouse gas sources and organizing emissions calculations using recognized greenhouse gas accounting approaches such as ISO 14064 and the GHG Protocol, where appropriate to the project.

Detailed GHG Inventory Report

The report can organize relevant information relating to:

• Scope 1 emissions.
• Scope 2 emissions.
• Relevant Scope 3 emissions.
• Activity data.
• Emission factors.
• Calculation methodologies.
• Carbon hotspots.

Emission Reduction Recommendations

Based on the inventory results, Actia can help identify technical and operational opportunities for reducing greenhouse gas emissions.

Potential recommendations may include:

• Energy efficiency.
• Process optimization.
• Renewable energy.
• Waste-heat recovery.
• Logistics optimization.
• Lower-carbon technology.

Benefits of Actia Greenhouse Gas Inventory Services

A structured inventory can help fertilizer companies:

• Understand greenhouse gas emissions.
• Identify Scope 1, Scope 2, and Scope 3 sources.
• Establish a reliable baseline.
• Identify carbon hotspots.
• Improve energy efficiency.
• Develop emission reduction targets.
• Improve internal carbon data.
• Monitor decarbonization progress.

Greenhouse Gas Inventory and Certification

Preparing a greenhouse gas inventory can support companies that later pursue relevant verification, certification, customer requirements, or environmental programs.

However, completing an inventory does not automatically guarantee certification, tax incentives, subsidies, or other benefits.

Each certification, verification process, incentive program, or regulatory mechanism can have its own eligibility criteria and technical requirements.

How Actia Can Help Fertilizer Companies

Actia can assist fertilizer companies throughout the Greenhouse gas inventory process.

1. Define the Inventory Boundary:
   Determine facilities, operations, emissions scopes, and reporting period.
2. Identify Emission Sources:
   Identify direct, energy-related, and relevant value-chain greenhouse gas sources.
3. Collect Data:
   Organize fuel, electricity, steam, production, transportation, and raw-material data.
4. Calculate Greenhouse Gas Emissions:
   Use appropriate activity data, emission factors, and calculation methods.
5. Identify Carbon Hotspots:
   Determine which activities contribute most significantly to total emissions.
6. Develop Reduction Recommendations:
   Identify practical emission reduction opportunities.
7. Monitor Performance:
   Establish indicators for future greenhouse gas monitoring.

Greenhouse Gas Inventory for Long-Term Decarbonization

A Greenhouse gas inventory should not be treated only as an environmental report.

The results can serve as the foundation for long-term decarbonization.

The company can move from:

GHG Inventory → Baseline → Carbon Hotspots → Reduction Targets → Decarbonization Roadmap → Implementation → Monitoring

For fertilizer manufacturers, major reduction opportunities may involve natural gas efficiency, ammonia production, process optimization, electricity, steam systems, renewable energy, carbon capture where appropriate, and logistics.

The Future of Greenhouse Gas Management in the Fertilizer Industry

Greenhouse gas management will continue to become increasingly important for fertilizer companies seeking to improve environmental performance and operational efficiency.

A reliable greenhouse gas inventory provides companies with a clear picture of their emissions.

Scope 1 identifies direct operational emissions.

Scope 2 identifies emissions associated with purchased energy.

Scope 3 provides insight into other relevant value-chain emissions.

Once emissions have been calculated, companies can establish a baseline and identify major carbon hotspots.

Instead of implementing generic environmental programs, fertilizer manufacturers can prioritize actions according to actual greenhouse gas data.

Important opportunities may include energy efficiency, process optimization, renewable electricity, improved steam systems, lower-carbon ammonia technologies, waste-heat recovery, and better logistics.

The ultimate objective is not simply to calculate greenhouse gas emissions once. Companies should use the inventory to measure, reduce, monitor, and continuously improve their climate performance.

Does your company operate in the fertilizer industry and need assistance preparing a Greenhouse gas inventory? Click here to discuss Greenhouse Gas Inventory services with the Actia team.