Astomos Energy Corporation

What Astomos Energy Corporation does

Astomos Energy Corporation is Japan's largest importer, purchaser, and seller of liquefied petroleum gas, operating as a privately held joint venture between Idemitsu Kosan (51%) and Mitsubishi Corporation (49%) with FY2024 revenue of 6,215 billion yen and approximately 354 employees. The company runs an integrated LPG supply chain spanning international procurement from six source geographies (USA, Middle East, Australia, Canada, East Timor, Angola), shipment via Japan's largest VLGC fleet of 20+ vessels, reception at coastal and inland terminals, and distribution through 342 core filling stations and 200 dedicated tank lorries to industrial customers, authorized dealers, and ~2.3 million residential households covering 95% of Japan's territory. Core product offerings include propane, butane, autogas, and mixed gas variants under proprietary Astomos sub-brands, with newer additions of Carbon Offset LPG (commercialized April 2026) and Green LPG (jointly developed with Furukawa Electric and SHV Energy for 2030 commercialization), alongside electricity retail, SDS compliance delivery, and security consulting services.

Name

Astomos Energy Corporation

Legal name

アストモスエネルギー株式会社

Website

https://astomos.jp

Company type

Private

Founded year

2006

Operating status

Operating

Short description

Astomos Energy Corporation is Japan's largest LPG importer and distributor, operating an integrated supply chain from international procurement and a 20+ VLGC fleet through 342 filling stations and authorized dealers to ~2.3 million households and industrial customers across 95% of Japan's territory.

Ownership category

akta.pro rank

Product category

LPG Import and Distribution

NAICS

Petroleum Bulk Stations and Terminals (424710)

SIC

Wholesale-Petroleum & Petroleum Products (No Bulk Stations) (5172), Wholesale-Petroleum Bulk Stations & Terminals (5171)

akta.pro primary industry

NGLs & LPG Trading & Marketing (EUAGAAAE)

akta.pro secondary industries

LPG Carrier Operators (TLADABAG), RNG Offtake, Marketing & Environmental Attributes (RINs/LCFS/Guarantees of Origin) (EUAAAEAG), Captive & Embedded Gas-Fired Power Generation (Industrial/Commercial CHP) (EUALALAB), Gas-to-Power Project Development (IPP/CPP, Permitting, Financing) (EUALALAC)

Keywords

• Liquefied petroleum gas
• LPG import distribution
• Autogas fuel supply
• Carbon offset LPG
• LPG shipping logistics

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Infrastructure, Personnel, Marketing or Sales, Technology or R&D

Revenue model

1. LPG Import and Sales: Core business: importing LPG from producing countries (USA, Middle East, Australia, Canada, East Timor, Angola) and selling to domestic distributors, dealers, and industrial customers. Revenue model combines contract pricing (CP-based monthly pricing) with spot market transactions.
2. Electric Power Sales: Retail electricity sales initiated in 2015 ahead of full market liberalization, leveraging existing customer relationships in the LPG network
3. Trilateral Trade: International LPG trading between producing regions (Middle East, USA) and Asian markets using owned VLGC fleet without Japanese port entry
4. Ship Chartering and Trading: Ownership and operation of VLGC (Very Large Gas Carrier) fleet; vessel chartering services for third parties

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels7 records

Core offering

Astomos Energy Corporation imports, stores, and distributes liquefied petroleum gas (LPG)—propane, butane, autogas, and mixed gas—across Japan through an integrated supply chain encompassing international procurement, VLGC fleet shipping, coastal and inland terminals, and an authorized dealer network. Beyond core LPG, the company sells retail electricity, delivers Safety Data Sheets (SDS), provides LP gas security consulting, and is developing carbon-offset and bio-based (Green) LPG products for sustainability-focused customers.

Product overview

Astomos Energy Corporation is an LPG-focused integrated energy company operating as a single unified business rather than a platform-plus-modules architecture. The core offering centers on LPG (liquefied petroleum gas) products including propane, butane, auto gas, and mixed gas variants, supplemented by carbon offset and green LPG initiatives. Supporting services include electricity retail, SDS documentation delivery, and security consulting. The company operates through subsidiaries including Astomos Retailing for consumer sales, with international operations in Taiwan and global shipping logistics with a fleet of 26 VLGC vessels handling approximately 6 million tons annually, covering 95% of Japan's land area.

Differentiator

Problem solved

Functional benefit

Brands

• アストモスプロパン (Astomos Propane): LPG propane product brand offered by Astomos Energy
• アストモスブタン (Astomos Butane)
• アストモスオートガス (Astomos Autogas)
• アストモスミックスガス (Astomos Mix Gas)

Products and services

• LP Gas (Liquefied Petroleum Gas) Core energy product including propane, butane, and related LPG formulations imported from producing countries and distributed nationwide for residential, commercial, industrial, and automotive use through an authorized dealer network, coastal terminals, and 342 core filling stations.
• Carbon-Offset LPG (カーボンオフセットLPG) LPG product bundled with verified carbon offset credits, enabling partner companies to achieve net-zero CO2 emissions for their LPG consumption. Adoption grew from 29 partner firms in 2022 to 77 firms in 2025.
• Retail Electricity Sales (電力小売) Retail electricity service for residential and commercial customers, leveraging Astomos's existing LPG customer base for cross-selling bundled utility offerings via the Astomos Retailing subsidiary.
• Safety Data Sheet (SDS) Delivery Service JIS Z 7253-compliant chemical safety documentation delivery service for propane, butane, autogas, and mixed gas products, enabling dealers and customers to download compliant SDS documentation online.
• LP Gas Security Consulting (LPガス保安コンサルティング) Security and safety consulting services for LPG operations, ensuring compliance with the High Pressure Gas Safety Act and related regulations for dealer and industrial customers.
• G-terrace (ジーテラス) Regional GX Model Project Regional Green Transformation (GX) model service delivered in partnership with Numata City and Sunwaco Corporation, the first such regional decarbonization initiative in Gunma Prefecture, enabling local energy decarbonization using LPG.

Quantifiable outcome

• CO2 reduction of approximately 15% when converting from fuel oil to LPG
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

19 partnerships are on record, tiered core, major and minor.

• Taiyo Nippon Sanso Energy Co., Ltd. (大陽日酸エネルギー)coreStrategic or Co-development Partner · 1 January 2024Business integration of subsidiary Astomos Retailing with Taiyo Nippon Sanso Energy in January 2024, creating a stronger combined retail LPG platform in Japan.
• Furukawa Electric Co., Ltd. (古河電工)coreStrategic or Co-development Partner · 1 January 2023Joint development of Green LPG production technology using agricultural residue and organic waste as feedstock. Furukawa Electric developed catalyst technology for synthesizing LPG from biogas. Pilot plant planned for Hokkaido Shiroi Town targeting 2030 commercialization. This is the first globally to produce Green LPG as a primary product rather than byproduct.
• SHV EnergycoreStrategic or Co-development Partner · 1 January 2023International partnership for Green LPG development and market expansion. SHV Energy is a global LPG distributor contributing international market expertise and distribution network for renewable LPG commercialization.
• Taiwan Joint Venture (照和股份有限公司)majorChannel Partner/ Reseller/ Distributor · 1 January 2022First overseas retail company established in Taiwan (2022) to develop local LPG retail market with meter-based sales, LINE ordering, and digital payment services. Joint venture formed with local partner.
• Gasqur Co., Ltd. (ガスクル株式会社)majorChannel Partner/ Reseller/ Distributor · 1 July 2018Newly established LPG filling and delivery company launched July 2018 for logistics optimization in the Tohoku region, consolidating filling and delivery operations.
• Korea Petroleum Corporation (KPC)minorStrategic or Co-development Partner · 1 November 2017MOU signed November 2017 for cooperation study on LPG marine fuel utilization, exploring LPG as ship fuel for environmental compliance.
• Elgas (Australia)minorStrategic or Co-development Partner · 1 October 2017MOU signed October 2017 for cooperation study on LPG marine fuel utilization with Australian LPG supplier.
• Statoil (Norway)minorStrategic or Co-development Partner · 1 June 2017MOU signed June 2017 for cooperation study on LPG marine fuel utilization with Norwegian energy company Statoil.
• Ixpress (イクシス/LNG Project)majorTechnology or Integration · 1 March 2017LPG purchase contract from Australian Ixpress LNG Project. Basic agreement signed March 2017, first LPG acceptance January 2019, diversifying Australian procurement sources.
• Comprehensive LP Gas Alliance PartnerscoreStrategic or Co-development Partner · 1 October 2016Comprehensive LP Gas alliance agreement signed October 2016 with industry partners for LP Gas business cooperation including supply optimization and market development.
• Altagas (アルタガス)majorTechnology or Integration · 1 January 2016Multi-year procurement contract for Canadian LPG supply. MOU signed July 2016, SPA (Sales Purchase Agreement) signed August 2017. First Canadian propane cargo received June 2019.
• Japanese LP Gas Industry (Japan LP Gas Association/J Nichidankyo)coreOthers · 1 July 2015LP Gas business cooperation basic agreement signed July 2015 with Japanese LP Gas Association for industry-wide collaboration, promoting fuel conversion, safety standards, and market development.
• Tokyo Gas Co., Ltd. (東京ガス)majorStrategic or Co-development Partner · 1 January 2014First domestic supply of US shale LPG to Tokyo Gas and Tokyo Electric Power, marking the entry of American shale gas into Japanese market. Multiple-year purchase/sales contract.
• Tokyo Electric Power Co., Ltd. (東京電力)majorStrategic or Co-development Partner · 1 January 2014First domestic supply of US shale LPG to Tokyo Gas and Tokyo Electric Power, marking the entry of American shale gas into Japanese market.
• East Timor (Timor-Leste)majorTechnology or Integration · 1 September 2007Long-term LPG supply contract signed September 2007. Extended as long-term agreement November 2014. East Timor represents a strategic procurement source with established relationship.
• East Timor National University Scholarship ProgramminorOthers · 1 September 2007Scholarship program for East Timor National University students established 2015, supporting human resource development in procurement source country and strengthening bilateral relations. Includes Japan study abroad program.
• Leo Palace 21 (レオパレス21)majorStrategic or Co-development PartnerJoint venture project providing bundled LP gas supply and integrated payment services (rent + utilities) for Leo Palace 21 apartment complexes nationwide.
• Air Water Co., Ltd. (エア・ウォーター)minorStrategic or Co-development PartnerIntroduction of Air Water mobile power generation units at company group filling stations for disaster emergency response capability.
• Mitsubishi Corporation Solar (三菱商事太陽)minorStrategic or Co-development PartnerBusiness delegation of welfare-related operations to Mitsubishi Corporation Solar, supporting employment of people with disabilities at their facilities.

Scale indicators8 records

Recent moves8 records

Expansion highlights7 records

Direct peers

• SHV Energy: SHV Energy is the world's largest LPG distributor, operating across Europe, the Americas, and Asia, and is Astomos's explicit partner on Green LPG development. Directly comparable global LPG scale, customer mix, and bio-LPG strategy.
• Iwatani Corporation: Iwatani is Japan's other vertically integrated LPG and industrial gases major, competing head-to-head with Astomos in Japanese LPG import, distribution, and industrial gases, including hydrogen and helium. Closest Japanese comparable given overlapping customer base, fleet operations, and nationwide infrastructure.
• DCC plc (DCC Energy): DCC Energy is Europe's leading sales, marketing, and support services group for LPG, heating oil, and renewables, with retail and commercial reach similar to Astomos's authorized-dealer distribution model.
• Repsol Butano: Repsol Butano is the LPG distribution and marketing arm of Repsol serving Spain and Portugal with bottled gas, autogas, and bulk LPG, comparable in downstream LPG retail and industrial supply.
• UGI Corporation: UGI owns AmeriGas (the largest US propane retailer) and UGI International (Flaga and other European LPG assets). Comparable business model of midstream LPG distribution with industrial and residential mix across multiple geographies.
• Ferrellgas Partners: Ferrellgas is a major US propane distributor (Blue Rhino and Ferrellgas retail brands) serving residential, commercial, and industrial customers, comparable in product focus and small-customer-heavy distribution economics.

Broad incumbents

• ENN Energy Holdings: ENN Energy is China's largest city-gas distributor with growing LPG and hydrogen adjacencies. Comparable in regional scale, last-mile gas distribution model, and push toward decarbonized gas (hydrogen blending, bio-LNG).
• Osaka Gas Co., Ltd. Osaka Gas is the second-largest Japanese city-gas operator with integrated LNG value chain and expanding LPG/LNG bunkering. Comparable as a large Japanese gas-distribution incumbent with adjacent LPG activity.
• Tokyo Gas Co., Ltd. Tokyo Gas is Japan's largest city-gas utility and a direct counterparty of Astomos (signed 2014 supply contract for US shale LPG). Comparable as a major Japanese gas-energy distributor with overlapping customer base but broader portfolio and LDC infrastructure.

Regional players

• Korea Gas Corporation (KOGAS): KOGAS is the state-owned Korean LNG importer and gas-distribution operator with adjacent LPG activity. Comparable role as Northeast Asia's strategic gas-supply infrastructure player, though primarily an LNG rather than LPG operator.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/nichidankyo

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Astomos Energy Corporation