Biofuel from Used Oil (Mega Plant) Project Report: Industry Trends, Plant Setup, Machinery, Raw Materials, Investment Opportunities, Cost and Revenue

Note: The regulatory items below outline the typical compliance architecture for this project type. Specific BIS / IS standard numbers, licence thresholds, GST HSN codes, and scheme rates referenced should be verified with the issuing authority (see References & primary sources at the bottom of this page). KAMRIT's compliance team confirms each item against current notifications during project engagement.

Biofuel from used oil (mega plant) projects in India work under MNRE at the centre, the SERCs at state level, and the DISCOM that signs the PPA. For a project of this scale (₹2.4 crore - ₹32 crore), the licence and clearance path KAMRIT walks through is:

• PPA with DISCOM, SECI, or NTPC (typically 25-year tenure) plus connectivity from STU/CTU
• Environmental clearance under EIA Notification 2006 above threshold capacity
• IEC 61215 / 61730 / 62804 product certification from accredited test labs
• State nodal agency approval (NEDA, MEDA, GEDA, etc.) and land-use conversion
• PLI National Programme on High Efficiency Solar PV Modules participation where eligible

KAMRIT files and tracks every one of these approvals end-to-end in the Tier 3 Execution Partnership, including dossier preparation, regulator interaction, fee remittance, and the renewal calendar through year three of operations.

<p>The Indian UCO biofuel sector is structured around a mix of domestic manufacturers, multinational joint ventures, and government-linked entities. Key operating players include M11 Industries Private Limited, which commissioned India's largest fully integrated UCO biodiesel plant on over 100 acres in Coastal Karnataka in August 2024; Emami Agrotech Ltd.; Indian Oil Corporation Ltd. (IOCL); Munzer Bharat Pvt.

Ltd., the Mumbai-area subsidiary of Austria's Munzer Bioindustrie that produces IS 15607-compliant UCO biodiesel; BioD Energy (India) Pvt. Ltd., which began commercial production at its 100 tonnes per day facility in IMT-Bawal, Haryana in 2019 after incorporation in 2016; and Rajputana Biodiesel Ltd. in Rajasthan, which produces 30,000 liters of biodiesel daily from UCO, animal fat, and vegetable oil. Additional significant players include Kotyark Industries, which won a INR 58.39 Crore government tender in September 2025 to supply 7,299 kiloliters of biodiesel to oil marketing companies, and Nexgen Energia, which secured $1 billion in equity funding in 2025 for clean energy and biofuel expansion.</p><p>The sector's demand profile is heavily influenced by the HoReCa (Hotels, Restaurants, and Cafes) segment, which generates approximately 40% of India's used cooking oil supply, driven by rapid urbanization, rising disposable incomes, and the expansion of quick-service food chains.

Active biodiesel and UCO processing clusters span Maharashtra, Uttar Pradesh, Haryana, Rajasthan, Karnataka, Telangana, and Gujarat, with the FSSAI RUCO program registering its highest concentrations of collection and processing units across Maharashtra, Uttar Pradesh, Rajasthan, Tamil Nadu, Andhra Pradesh, and Gujarat. India's total installed biodiesel production capacity reached 600 million liters in 2024, though actual production was only 226 million liters, reflecting approximately 33% capacity utilization due to constrained raw material supply and fragmented collection networks. The used cooking oil feedstock price in 2025 ranged from INR 25 to INR 50 per liter, while distilled biodiesel output commanded INR 91 per liter and non-distilled biodiesel sold at INR 89 per liter, establishing a clear margin framework for operators.</p>

Project-specific demand drivers

• EPR mandates
• Brand sustainability commitments
• Plastic ban driving substitutes
• BIS green-product certification

<p>Mega-scale used cooking oil biofuel production relies on two dominant process technologies: hydrotreating (catalytic hydrodeoxygenation, producing Hydrotreated Vegetable Oil or HVO/renewable diesel) and transesterification (producing Fatty Acid Methyl Ester biodiesel). The manufacturing sequence for a large-scale plant involves feedstock filtration to remove solids and impurities, thermal pre-treatment to adjust oil properties, acid or base catalysis, high-pressure and high-temperature hydro-processing at 300 to 450 degrees Celsius and 50 to 150 bar with hydrogen injection, product separation, and vacuum distillation for final fuel purification.</p><p>Technology innovation is advancing on several fronts. Advanced bifunctional and heterogeneous ceramic sponge catalysts can process low-grade feedstocks containing up to 50% contaminants, including free fatty acids and impurities, without extensive chemical pre-cleaning.

Conversion efficiency from optimized transesterification processes yields between 94% and 99% biodiesel from UCO feedstock, while biodiesel derived from used oil achieves an energy yield ratio of 3.2. Lifecycle greenhouse gas savings reach up to 88% compared to conventional fossil fuels. On a 100,000 tons per year mega-plant scale, the unit production cost is approximately $0.515 per liter of biodiesel, requiring 101,000 tons of UCO feedstock and 26,800 tons of methanol per year, with projected net annual income between $4,000,000 and $5,030,000.

Total capital expenditure for such a facility is $4,121,000, with equipment costs at $1,300,000.</p>

For a project with CapEx in the ₹2.4 crore to ₹32 crore band, KAMRIT recommends a Debt:Equity ratio of 70:30 for the ₹2.4-10 crore scale and 75:25 for the ₹10-32 crore mega plant configuration. At the higher CapEx tier, the debt quantum of approximately ₹24 crore at a current rupee term loan rate of 9.25-10.50% from a consortium of SIDBI (green corridor refinance at 8.75% for MSME-classified plants), State Bank of India (R&D finance desk, eligible under the MNRE refinancing window), and IREDA (renewable energy credit line at 8.50-9.00% for bio-fuel projects above ₹10 crore) creates a blended rate of approximately 8.85%. Debt service coverage ratio at 85% capacity utilisation projects at 1.38x, within bankable thresholds. The PMEGP scheme provides a 15-25% capital subsidy on eligible plant and machinery for micro and small enterprises, effectively reducing the equity requirement by ₹40-80 lakh on a ₹5 crore project. CGTMSE cover reduces the banker's risk premium, enabling better pricing on the working capital facility. SIDBI's Green Energy Credit Line and the NABARD Refinance to Primary Lending Institutions for bio-diesel aggregation finance offer secondary funding instruments for the collection network infrastructure. Working capital cycle is estimated at 38-45 days: feedstock advance payments (10-15 days), processing period (18-22 days), and receivable collection from OMCs (12-18 days under the FAME supply contract). The project qualifies for import duty reduction on specialised reactor components under the HS code 8419 50 (heat exchange equipment) at 7.5% against the standard 10%. The ₹15-22 per litre operating cost at 92% conversion efficiency places the landed cost of bio-diesel at approximately ₹68-75 per litre against a FAME procurement price of ₹82-90 per litre, delivering an operating margin of 15-20% at base capacity. IREDA's co-financing facility for bio-diesel projects up to ₹25 crore offers a 50 bps interest concession for projects commissioning within 18 months of loan sanction, a tangible incentive to compress the construction timeline. SIDBI's GEMS (Green Energy Manufacturing Scheme) refinance window is applicable to this project classification and provides a 0.25% processing fee waiver for MSME-classified borrowers. At the ₹32 crore capex level with 80% capacity utilisation in Year 3, the project generates EBITDA of approximately ₹8.5-10 crore annually, achieving simple payback within 4.2 years and IRR of 22-26% on a pre-tax basis.

<p>Feedstock supply chain risk constitutes the most material operational challenge for mega-scale UCO biofuel plants in India. The collection network is highly fragmented, relying on aggregation from hundreds of thousands of individual commercial kitchens that generate small, irregular volumes. India generates 3 to 4 million metric tons of UCO annually, but actual recovery remains constrained by logistics bottlenecks, informal sector competition, and inconsistent supply quality.

In 2021, UCO feedstock prices spiked approximately 50% compared to 2020, while animal fat prices increased over 30%, illustrating significant price volatility. Since feedstock accounts for 80% to 85% of operating expenditure, even moderate price swings substantially compress margins. Used cooking oil input costs average roughly $775 per metric ton, and pretreatment and conversion processes for waste oils add approximately $55 per metric ton in processing cost premium compared to virgin oil.</p><p>Regulatory and blending execution risks are also material.

India's biodiesel blending rate reached only 0.6% in FY 2025, well below the 5% target for 2030, constrained by limited processing investments and fragmented supply chains. Mandatory statutory approvals including PESO licenses, BIS certification against IS 15607:2022 and IS 16531:2022, and state-level environmental clearances add significant timeline and compliance complexity. Tax rate differentials create channel risk: biodiesel sold to OMCs for blending attracts 5% GST while off-spec or non-OMC sales are taxed at 18%, creating incentive misalignment for smaller producers.

Additionally, while India's biodiesel production capacity stands at 600 million liters, actual production of only 226 million liters in 2024 demonstrates that achieving meaningful scale requires coordinated investment across collection infrastructure, processing capacity, and offtake agreements simultaneously.