The current waste management model in South Africa remains largely linear and landfill-dependent. Waste is collected, transported and disposed of, with limited separation at source or recovery of value. This model is both costly to maintain and environmentally damaging.
Organic waste represents the largest single component of landfill disposal, accounting for approximately 27% of general waste. This includes naturally biodegradable material such as food waste, crop residues, food production by-products, and waste generated across retail, hospitality and wholesale activities. Unfortunately, around one-third of organic waste is food waste. Millions of tonnes of food that could otherwise nourish people are discarded into South African landfills each year. A recent study points to the annual burden (true cost) of the current food waste management to be R8.7 billion on the economy, environment and communities across South Africa. Landfill capacity is being depleted at an accelerating rate, pushing disposal costs higher as many sites approach the end of their operational life.
From a climate perspective, the issue is equally material. When organic waste decomposes in a landfill under anaerobic conditions, it generates methane, a greenhouse gas significantly more potent than carbon dioxide. Diverting organic waste from landfill is consequently one of the fastest and most cost-effective levers available to cities and provinces to reduce emissions. Methane generation also presents operational risks, including increased fire hazards and persistent odour complaints.
Together, constrained landfill capacity, rising disposal costs and growing climate risk are now translating into a more interventionist policy response at the provincial and municipal levels.
The Western Cape policy response
Policy is increasingly reframing waste as a resource flow, supporting beneficiation, energy resilience, soil health and inclusive economic activity rather than disposal. The Western Cape has initiated a target of 100% diversion of organic waste from landfill by 2027. This will impact large organic waste generators’ operating costs, supplier contracts, infrastructure decisions and climate disclosures within the next two to three years.
Importantly, the ‘ban’ is not implemented through a single piece of legislation, but through a combination of landfill licensing conditions, municipal by-laws, waste regulations and requirements for large generators to submit organic waste diversion plans. In practice, this means access to landfill will increasingly be restricted through permit conditions and pricing signals, rather than a single prohibition taking effect overnight.
In Cape Town, hospitality operators and food and beverage processors are required to submit plans demonstrating how they will achieve 100% diversion of organic waste from landfill by 2027, signalling a move from voluntary commitments to formal compliance planning. While landfill may still appear cheaper in the short term, this price signal is expected to reverse as restrictions tighten, exposing late movers to escalating costs, limited capacity and contractual risk.
Leveraging regenerative circular economy opportunities
There remains a great need for infrastructure required to support the diversion of organic waste, despite many beginning to realise the opportunities. Organic waste is not a single opportunity but a portfolio of value chains. These include compost and soil amendments, anaerobic digestion and biogas, animal feed, digestate beneficiation, wastewater sludge reuse and de-packaging technologies. The real economic upside sits downstream, where organic waste becomes an input into agriculture, energy systems and land restoration.
Leading organisations are responding by reframing organic waste as a strategic input stream rather than a compliance cost. This begins with establishing clear visibility and accountability by quantifying organic waste by type, volume, contamination and seasonality, with executive ownership across operations, procurement and sustainability. Source separation is critical, as it remains the single most effective lever to control costs, preserve future flexibility and unlock higher-value diversion pathways. Organisations are also securing medium- to long-term diversion solutions well ahead of 2027, recognising that early movers will shape the market while late movers will face higher costs. Increasingly, organic waste strategies are being integrated into ESG and climate transition planning, supporting methane reduction, carbon-tax risk management, energy resilience and more regenerative supply chains.
Contact: David Krone
