Report Highlights

Japan Used Cooking Oil: Market Overview

Japan's used cooking oil market is one of the most institutionally developed in Asia, shaped by decades of municipal waste management policy and a deeply embedded recycling culture. The market is structured across three primary collection tiers: municipal programmes administered under the Act on Promotion of Sorted Collection and Recycling of Containers and Packaging, commercial aggregators serving the food service sector, and industrial generators including edible oil refiners. Government has historically been the dominant force in establishing collection infrastructure, particularly at the residential level, with over 1,800 municipalities operating dedicated UCO drop-off schemes as of 2024.

Private sector leadership is concentrated in the downstream processing segment, where companies convert crude UCO into biodiesel, oleochemicals, and increasingly, sustainable aviation fuel feedstocks. The market's current valuation of USD 312.4 million reflects the monetisation premium now attached to UCO as a certified waste-derived feedstock under international sustainability frameworks. Domestic demand has structurally outpaced domestic collection volumes since 2021, creating a structural import dependency for high-specification UCO that processors require for SAF pathway qualification under the International Civil Aviation Organization's CORSIA scheme.

Policy-Driven Growth in Japan's Used Cooking Oil Market

Three specific policy mechanisms are driving UCO demand in Japan with measurable market effects. First, the Act on Sophisticated Methods of Energy Supply Structures (the Energy Supply Structures Act, revised 2023) mandates that refiners and fuel distributors blend a defined percentage of non-fossil fuels, with UCO-derived FAME biodiesel qualifying as a compliant blend component. The mandate is administered by the Agency for Natural Resources and Energy (ANRE) under METI, with compliance deadlines requiring 1% biofuel penetration in road fuel by fiscal year 2030. Each percentage point of mandate compliance translates directly into an estimated 180,000 kilolitres of additional UCO feedstock demand annually.

Second, METI's Green Innovation Fund, a JPY 2 trillion programme established under the Green Growth Strategy, includes a dedicated SAF production track allocating JPY 330 billion specifically for domestic SAF supply chain development, of which UCO-to-SAF HEFA pathways are the near-term qualifying route. Third, the Food Waste Recycling Act (Act on Promotion of Recycling of Food Cyclical Resources) imposes recycling rate obligations on designated large-scale food businesses, with non-compliance resulting in administrative guidance and eventual ministerial publication of violators' names — a reputational enforcement mechanism that has driven commercial UCO collection contracts sharply upward since 2022.

Regulatory Barriers and Compliance Costs

Market entry and scale-up in Japan's UCO sector face specific regulatory constraints administered by multiple agencies. The Waste Management and Public Cleansing Act (廃棄物の処理及び清掃に関する法律), administered by the Ministry of the Environment, classifies UCO as a "specially controlled industrial waste" when generated by commercial entities above prescribed volume thresholds. Collectors must obtain a Specially Controlled Industrial Waste Collection and Transport Permit from the relevant prefectural government, a process averaging 6 to 9 months and requiring separate permits for each prefecture of operation. For national-scale aggregators, this translates into 47 separate permit applications, creating a structural barrier that entrenches established regional collectors.

Processing facilities converting UCO into biodiesel or SAF feedstock are additionally subject to the Fire Services Act, administered by the Fire and Disaster Management Agency, due to UCO's classification as a flammable liquid above defined flash point thresholds. Facility certification under this Act requires local fire department inspection and compliance with Building Standards Act provisions, adding an estimated JPY 15–25 million in capital expenditure per processing site. UCO exported as a SAF feedstock must further satisfy the Customs Tariff Law and obtain certification under the Renewable Fuel Standard equivalent verification accepted by EU and US import authorities, adding a third compliance layer that smaller processors cannot absorb without third-party certification partnerships.

Policy-Created Opportunities in Japan

METI's SAF Roadmap, published in 2023, sets a target of producing 1.7 million kilolitres of domestically sourced SAF annually by 2030, with UCO-HEFA pathways designated as the fastest route to volume. This creates a procurement opportunity of direct relevance to UCO aggregators: airlines are required under METI guidance to demonstrate domestic SAF sourcing partnerships as part of their sustainability reporting obligations from fiscal year 2025. Japan Airlines has publicly committed to sourcing 10% of its fuel from SAF by 2030, and ANA Holdings has set an equivalent target, creating contracted offtake demand that functions as a price floor for UCO sellers who can demonstrate traceability and quality certification.

A second major policy-created opportunity lies in the Ministry of Agriculture, Forestry and Fisheries (MAFF) municipal UCO collection expansion programme, which is extending subsidised collection infrastructure to rural municipalities with populations below 50,000 — a segment previously excluded from systematic UCO recovery. MAFF allocated JPY 4.2 billion in fiscal year 2024 for this programme, and participating municipalities receive capital grants covering up to 50% of collection vehicle and storage costs. For private collectors partnering with these municipalities, the programme effectively subsidises the logistics cost of accessing previously uneconomic rural UCO volumes, with an estimated 35,000 additional kilolitres of annual recoverable volume entering the market by 2027.

Market at a Glance

Leading Market Participants

• Yukihira Co. Ltd.
• J-Bio Oil Co. Ltd.
• Tsukishima Foods Industry Co. Ltd.
• Showa Sangyo Co. Ltd.
• Nisshin OilliO Group Ltd.
• Fuji Oil Holdings Inc.
• Kaneka Corporation
• Kyowa Hakko Bio Co. Ltd.
• Japan Bio Energy Co. Ltd.
• Eco-Power Co. Ltd.

Regulatory and Policy Environment

The primary legislative framework governing Japan's UCO market is the Act on Promotion of Recycling of Food Cyclical Resources (Food Recycling Act, Law No. 116 of 2000, substantially amended in 2019), administered jointly by MAFF and the Ministry of the Environment. The Act designates food-related businesses generating more than 100 tonnes of food waste annually as "specified business operators" subject to legally binding recycling rate targets — currently set at 85% for food manufacturers, 70% for food wholesalers, 60% for food retailers, and 50% for dining establishments. UCO qualifies as a food cyclical resource under the Act, meaning its diversion to collectors counts directly toward compliance metrics. ANRE's overlapping fuel blending mandate under the revised Energy Supply Structures Act creates a dual regulatory pull that positions UCO simultaneously as a waste management compliance tool and a fuel supply chain asset.

Compared to South Korea, which operates a UCO collection system primarily through the Act on Resource Circulation, Japan's framework is more enforcement-intensive, using name-and-shame ministerial publication for non-compliant businesses rather than purely financial penalties. Upcoming regulatory developments include METI's draft revision to the Act on the Rational Use of Energy, expected to be finalised by mid-2026, which is anticipated to include specific UCO traceability and chain-of-custody requirements aligned with the EU's Renewable Energy Directive II (RED II) standards. This revision will require UCO processors and exporters to implement digital mass-balance tracking systems, a compliance cost estimated at JPY 50–80 million per processing entity for system implementation and third-party auditing.

Long-Term Policy Outlook for Japan's Used Cooking Oil Market

By 2032, Japan's policy environment will have completed a structural transition from treating UCO primarily as a waste management output to managing it as a strategic energy feedstock. METI's Basic Energy Plan, currently under its seventh revision cycle, is expected to formalise UCO within Japan's energy security framework, potentially triggering strategic reserve or minimum domestic supply requirements analogous to those applied to petroleum products. This reclassification will increase the regulatory visibility of UCO flows, likely requiring annual reporting of collection, processing, and export volumes to ANRE — a disclosure regime that will consolidate competitive advantage among larger, data-capable market participants and disadvantage informal collectors operating outside digital tracking systems.

Carbon pricing is the second transformative policy force expected to reshape the UCO market before 2032. Japan's GX (Green Transformation) League carbon credit system, launched in trial form in fiscal year 2023 and scheduled for full statutory implementation by fiscal year 2026 under the GX Promotion Act, will assign carbon credit value to UCO's displacement of fossil fuel use. UCO-derived biodiesel and SAF will generate tradeable credits under this framework, adding a revenue stream estimated at JPY 3,000–5,000 per tonne of CO2 avoided. This economic signal will intensify competition for UCO feedstock, accelerate consolidation among processors, and likely prompt Japan to introduce import quality controls on foreign UCO to protect the integrity of its domestic carbon accounting framework.

Market Segmentation

By Source

• Household / Residential
• Food Service and Restaurants
• Food Processing Industry
• Institutional Catering
• Supermarkets and Retail

By Application

• Biodiesel and FAME Production
• Sustainable Aviation Fuel (SAF)
• Oleochemicals
• Animal Feed Additives
• Lubricants
• Soap and Detergents

By Collection Channel

• Municipal Collection Programmes
• Commercial Aggregators
• Direct Industrial Collection
• Retail Drop-Off Points
• Third-Party Logistics Providers

By End User

• Petroleum Refiners and Blenders
• Airlines and Aviation Sector
• Oleochemical Manufacturers
• Animal Feed Producers
• Export Traders

Frequently Asked Questions

Q1. Which government agency is responsible for enforcing UCO recycling obligations on food businesses in Japan? ▼

The Ministry of Agriculture, Forestry and Fisheries (MAFF) and the Ministry of the Environment jointly administer the Food Recycling Act (Law No. 116 of 2000). MAFF handles recycling rate compliance for food-related businesses, while the Ministry of the Environment oversees waste classification and collection permit oversight.

Q2. What permit is required to collect used cooking oil commercially in Japan? ▼

Commercial UCO collectors must obtain a Specially Controlled Industrial Waste Collection and Transport Permit under the Waste Management and Public Cleansing Act, issued by each prefectural government. National collectors require separate permits for every prefecture where they operate, which currently means up to 47 individual permit applications.

Q3. How does Japan's SAF mandate create compliance obligations for UCO market participants? ▼

METI's SAF Roadmap (2023) requires airlines to demonstrate domestic SAF sourcing partnerships in sustainability disclosures from fiscal year 2025. UCO processors supplying HEFA-pathway SAF feedstock must maintain chain-of-custody documentation and satisfy ICAO CORSIA certification, creating traceability obligations that extend upstream to collection operators.

Q4. What upcoming regulatory change will most significantly affect UCO processors by 2026? ▼

METI's anticipated revision to the Act on the Rational Use of Energy, expected to be finalised by mid-2026, will introduce mandatory digital mass-balance tracking and chain-of-custody requirements aligned with EU RED II standards. Implementation costs are estimated at JPY 50–80 million per processing entity for systems and third-party auditing.

Q5. How does Japan's GX carbon pricing system affect the economic value of used cooking oil? ▼

The GX Promotion Act schedules Japan's carbon credit system for full statutory implementation by fiscal year 2026, assigning tradeable credits worth an estimated JPY 3,000–5,000 per tonne of CO2 avoided to UCO-derived fuel production. This adds a carbon revenue stream on top of feedstock sale prices, increasing UCO's effective market value for certified processors.