- GANS Trade Insight
Cleaner production is sometimes treated as an environmental project that sits separately from commercial operations. In practice, it can directly affect production costs, product consistency, regulatory readiness and an exporter’s ability to compete for international business.
The United Nations Environment Programme defines cleaner production as the continuous application of an integrated, preventive environmental strategy to processes, products and services. Its purpose is to increase overall efficiency while reducing risks to people and the environment.
The emphasis on prevention is important. Cleaner production does not begin with deciding how to dispose of waste after it has been created. It examines why materials, water and energy are being lost in the first place and whether production can be redesigned to prevent unnecessary consumption, contamination and emissions.
For South African exporters, using fewer resources per unit of saleable output can support more competitive pricing and reduce exposure to utility interruptions, rising input costs and waste-management expenses. It can also provide the operational data increasingly requested by international buyers.
Mapping resource use across the production process
A cleaner-production programme should begin with a detailed understanding of how materials, water and energy move through the facility. Businesses often record how much they purchase but have less visibility over where those resources are consumed, lost or converted into waste.
The production process should be mapped from receipt of raw materials through storage, processing, packaging and dispatch. Each stage should identify its inputs, saleable output, rejected product, emissions, wastewater and solid waste.
This creates a baseline against which improvements can be measured. It also allows management to separate unavoidable process requirements from preventable losses caused by poor storage, incorrect settings, leaks, overproduction, equipment failure or inconsistent working practices.
Material efficiency measures how effectively raw materials, ingredients, components and packaging are converted into products that can be sold. Offcuts, damaged stock, rejected batches and expired inputs represent both environmental loss and unrecovered purchasing cost.
Energy performance considers how much electricity, fuel, steam, heating or cooling is required for each unit of output. It can reveal inefficient machinery, avoidable idling, compressed-air leaks and unnecessary operation outside production hours.
Water management examines where water enters the process, how it is used and whether suitable streams can be reduced, recirculated or reused. The assessment must preserve all hygiene, food-safety and product-quality requirements.
Data should be collected at a level that supports operational decisions. A total monthly utility bill may show that consumption increased but not which production line, shift or product caused the change.
Where practical, businesses can use submetering, batch records, equipment logs and waste measurements to establish resource use by product or process. The objective is to calculate intensity, such as kilowatt-hours, litres of water or kilograms of waste per unit of saleable output.
Intensity measures are often more useful than totals. A facility may use more electricity because production increased, while still becoming more efficient per unit. Conversely, total consumption may decline because output fell even though the process became less efficient.
Material balances can help identify unexplained losses. The quantity of materials entering a process should be compared with saleable output, recoverable by-products, waste and inventory changes. A gap may indicate inaccurate measuring, leakage, damage, unrecorded waste or weak production controls.
Employees should be involved in this assessment. Operators frequently know which machines require repeated adjustment, where packaging is commonly damaged and which production stages generate unnecessary rework.
A structured walk-through can examine storage practices, production scheduling, equipment condition, cleaning routines, changeovers, quality-control procedures and waste-handling areas. Observations should be supported by measurements rather than assumptions.
Once opportunities have been identified, they can be classified according to cost, expected savings, operational complexity and implementation time. Some improvements may require capital investment, while others may involve maintenance, better scheduling or a change in operating procedure.
Low-cost opportunities may include repairing leaks, adjusting equipment settings, reducing unnecessary idling, improving stock rotation, separating reusable material and training employees to identify abnormal consumption.
More substantial projects may include replacing inefficient machinery, installing water-recovery systems, improving insulation, changing production technology or generating renewable energy on site.
The United Nations Industrial Development Organization notes that resource-efficient and cleaner production can reduce the use of energy, water and natural resources, improve operational efficiency and lower the costs associated with waste and material losses.
Individual results will differ by facility and sector. The business case should therefore be based on measured site information rather than generic savings claims.
Turning cleaner production into measurable operational improvement
Cleaner production should be implemented as a continuous operational programme rather than a once-off assessment. Each proposed measure should have a baseline, responsible person, budget, completion date and expected result.
The business case should account for the full cost of resource loss. Wasted material may include the original purchase price, labour, processing energy, packaging, internal handling and disposal costs. A rejected finished product therefore costs more than the value of its raw material alone.
Similarly, reducing water consumption may also reduce pumping, heating, treatment and wastewater expenses. Energy-efficiency improvements can sometimes lower maintenance requirements and improve equipment reliability as well as reducing electricity or fuel use.
Measures should be evaluated carefully before implementation. A change that reduces packaging material but increases product damage may create a higher overall cost. Reducing cleaning water without validating hygiene performance could introduce unacceptable quality or food-safety risks.
Trials should define the expected outcome and the conditions under which the result will be accepted. Product quality, worker safety, regulatory compliance and customer requirements must remain protected throughout the improvement process.
Maintenance is frequently one of the most practical starting points. Worn seals, incorrectly calibrated machinery, blocked filters, leaking compressed-air systems and poorly controlled refrigeration can increase resource consumption while reducing process stability.
Preventive-maintenance schedules should prioritise equipment with high energy, water or material consequences. Maintenance records can then be compared with consumption data, downtime and product-rejection rates.
Production planning also influences environmental performance. Small, frequently changing production runs may require repeated cleaning, heating, cooling and equipment setup. Where customer demand and product requirements allow, improved scheduling may reduce these changeover losses.
Purchasing decisions should consider resource performance across the equipment’s operating life. A machine with a lower purchase price may use more electricity, generate more rejects or require more frequent maintenance than an alternative.
Suppliers can be asked to provide information about energy demand, water use, maintenance requirements, expected service life and end-of-life options. These factors should be evaluated with capacity, product quality and purchase cost.
Waste should be managed according to its highest practical value. Prevention should generally receive priority, followed by reduction, reuse, recovery and recycling where technically, commercially and legally appropriate.
Waste streams should be separated to prevent useful materials from becoming contaminated. Businesses should record the type, quantity, source and destination of material leaving the facility, including any income received or disposal cost incurred.
Environmental claims must be supported by reliable information. Describing packaging as recyclable does not necessarily mean it will be collected and recycled in every destination market. Likewise, the use of some recycled content does not automatically make the entire product environmentally preferable.
Performance should be monitored using a limited set of meaningful indicators. These may include material yield, energy intensity, water intensity, waste per unit, percentage of rejected production and the proportion of suitable waste diverted from disposal.
Results should be reviewed by management and production teams. Unexpected changes should trigger investigation, while confirmed improvements should be incorporated into standard operating procedures.
Training is essential because equipment and measurement systems cannot compensate for inconsistent operation. Employees should understand the purpose of each control, how to identify abnormal performance and where to report a leak, defect or avoidable loss.
Cleaner-production targets should be realistic and linked to available data. A business should not announce ambitious reduction commitments unless it has established a credible baseline, defined the scope and determined how progress will be measured.
Converting environmental performance into export advantage
International competitiveness depends on more than the factory price. Buyers consider product quality, delivery reliability, regulatory compliance, supply continuity and the amount of risk associated with the supplier.
Cleaner production can support these requirements by reducing variable costs and improving process control. Lower material and energy intensity can provide greater resilience when input prices rise or utilities become constrained.
More consistent operating conditions can also reduce rejects, rework and quality variation. This is important for exporters because a production problem may only become visible after the product has travelled internationally, increasing the cost of a claim or replacement.
Environmental information is also becoming more important in global supply chains. Buyers may request data on energy, water, packaging, waste, emissions or product composition as part of supplier qualification and sustainability reporting.
Exporters should prepare a concise evidence pack containing the reporting boundary, measurement method, relevant period and supporting records. Information should distinguish measured results from estimates and should be approved before it is provided externally.
Customer questionnaires should be coordinated centrally. If sales, production and procurement teams provide different figures, the buyer may question the reliability of the entire submission.
Product traceability may become increasingly important in some markets. The European Commission explains that its Digital Product Passport is intended to make relevant product, component and material information available in a more transparent and standardised form.
Requirements will apply according to relevant product legislation and implementation schedules rather than identically to every product. South African exporters should monitor the rules affecting their product categories and destination markets instead of assuming that one reporting format will satisfy every buyer.
Environmental certification may support market access where it is recognised by customers, but certification should follow operational control rather than replace it. A certificate cannot correct inaccurate data, poor maintenance or unmanaged waste.
Exporters should first understand what a target buyer requires. One customer may prioritise packaging reduction, while another focuses on energy use, recycled content, wastewater or verified emissions data.
Improvement plans can then be aligned with the requirements most relevant to the product and market. This helps avoid spending on environmental initiatives that have limited operational benefit or little value to the intended customer.
Cleaner production can also support product development. Material substitution, concentrated formats, reusable transport packaging and improved product durability may reduce environmental impact while creating a more attractive commercial offer.
Any redesign must be tested against product safety, shelf life, transport performance and destination-country requirements. A lighter product or package only creates value if it continues to meet the buyer’s functional needs.
Environmental performance should be communicated accurately. Claims such as “zero waste”, “carbon neutral” or “fully sustainable” require clear definitions and credible supporting evidence. Where complete verification is not available, businesses should use specific statements about measured improvements.
For example, an exporter may state that electricity intensity at a defined facility decreased by a measured percentage during a stated period. This is more transparent than making a broad claim about the environmental performance of the entire supply chain.
GANS South Africa works with businesses to coordinate product, supplier and export requirements. This can include gathering relevant production information, communicating buyer specifications and helping organisations integrate sustainability considerations into sourcing and international supply planning.
Cleaner production becomes commercially valuable when it improves the way a business uses resources, controls production and responds to buyer requirements. By measuring performance and prioritising practical improvements, South African exporters can reduce avoidable costs while building stronger positions in increasingly demanding global markets.
* This report provides general commercial information and does not constitute environmental, engineering, legal, regulatory or certification advice. Businesses should verify applicable production and destination-market requirements with qualified specialists, relevant authorities and their international buyers.