Sugarcane has traditionally offered farmers an assured market, but farm prosperity is closely linked to the financial health of the mills they supply.
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India’s sugar industry is entering a phase where the success of integration should be judged not merely by the additional revenue created within the factory, but by how much of that value ultimately strengthens the economics of cultivation outside the factory gate.Sugarcane has traditionally offered farmers an assured market, but farm prosperity is closely linked to the financial health of the mills they supply. When mill economics comes under pressure from weak sugar prices, high inventories or rising costs, the effects eventually travel through the value chain. Integrated sugar-ethanol-compressed biogas (CBG) projects offer an opportunity to make this relationship more resilient.The important question, therefore, is not simply how many products can be made from sugarcane, but how integration can improve value per acre for the farmer.From mill diversification to farm stabilityEthanol has already demonstrated how diversification can reduce the sugar industry’s dependence on a single commodity. CBG adds another dimension by creating value from materials that were traditionally treated as low-value residues or disposal challenges.For farmers, however, additional revenue earned by a mill does not automatically translate into additional income. The benefit is realised when stronger mill economics leads to more reliable cane payments, sustained investment in cane development, better extension services and greater resilience during difficult sugar cycles.This distinction is important. Integration should ultimately be assessed by its ability to strengthen the entire value chain, not merely the processor’s balance sheet.When residues acquire economic valuePress mud illustrates this transition particularly well. India generates an estimated 11–12 million tonnes of press mud during the crushing season. Once regarded largely as a low-value by-product, it is increasingly being recognised as a useful feedstock for CBG production.The economics becomes more interesting when the complete cycle is considered. Sugarcane enters the mill; sugar, ethanol and renewable power create commercial value; suitable organic residues can produce CBG; and nutrient-rich organic manure from the biogas process can return to agricultural fields.This converts what was essentially a linear production process into a circular one.For the farmer, the return of organic matter to the soil could be as important as the production of renewable gas itself.Soil health Is also farm economicsFarm profitability cannot be measured only through yield. The cost of achieving that yield matters equally.Intensive cultivation and prolonged dependence on chemical fertilisers have created soil-health concerns across many agricultural regions. Greater availability of quality organic manure can help improve soil organic matter, microbial activity, water retention and nutrient availability, while potentially reducing dependence on chemical inputs.The opportunity is, therefore, not merely environmental. If locally produced organic manure can complement balanced fertilisation and help sustain soil productivity, it can influence cultivation economics over the longer term.CBG integration thus creates an unusual connection between industrial efficiency and agricultural sustainability: a residue generated after processing can ultimately contribute to the productivity of the next crop.Extending the rural value chainCBG also takes economic activity beyond the mill premises. Feedstock aggregation, biomass handling, transportation, plant operations, maintenance and organic manure distribution create opportunities for Farmer Producer Organisations, transporters, local entrepreneurs and rural service providers.This matters because the economic contribution of an integrated sugar complex should not be measured only by direct employment or cane procurement. Its wider contribution lies in the ecosystem of economic activity it can sustain around the factory.Diversification also strengthens resilience. When sugar markets weaken, revenues from ethanol, renewable power and CBG can partly cushion the impact. More stable cash flows improve the ability of mills to continue investing in operations and farmer support.From value per tonne to value per acreIndia has made significant progress in ethanol blending and is now building the ecosystem for other renewable fuels. The next phase should encourage integrated projects through predictable biofuel policies, reliable CBG off take, timely approvals and greater acceptance and utilisation of organic manure.The sugar mill of the future will increasingly resemble a bio-refinery, extracting value from almost every component of sugarcane. But the real measure of success will lie beyond the factory gate.If integration results in stronger mills, timely cane payments, healthier soils, lower input intensity and wider rural economic opportunities, the benefits will ultimately reach the farmer.That is where the real promise of sugar-ethanol-CBG integration lies: converting greater value from every tonne of cane into better economics for every acre that produces it.The author is Executive Director & Unit Head, - Sugar Power & Ethanol Division of Zuari IndustriesPublished on September 5, 2026
