
Tokyo Gas
1-5-20 Kaigan, Minato-ku, Tokyo, 105-8527, Japan
Overview
Tokyo Gas provides energy solutions and engages in the production and supply of city gas. Tokyo Gas is a provider of city gas, serving more than 11 million customers for over 130 years, primarily in the Tokyo metropolitan area and surrounding Kanto region. The company was established in 1885 and based in Tokyo, Japan.
- Total investments
- 10
- Lead investments
- 1
- Investments · 12mo
- 2
- Active investors
- 6
Sector focus
- Energy
- Energy Efficiency
- Oil and Gas
Investment portfolio
- CorPower Ocean
Participated · Series B · May 2026
CorPower Ocean develops and deploys buoy-based systems that convert ocean wave motion into electricity and is headquartered in Sweden. The company has built a pre-commercial, 10-megawatt wave energy farm off the coast of northern Portugal enabled by a €40 million EU Innovation Fund grant. CorPower has also secured substantial grant support including €17.5 million from the EIC Accelerator and €19 million through Horizon Europe to advance additional wave farms in the U.K. Its financing history includes prior backing from NordicNinja VC, SEB Bank’s climate tech investment group, and InnoEnergy, and the recent €53 million Series B expands its equity base with participation from the EIC Fund, Algebris, Acario, Tokyo Gas CVC, and GTT Strategic Ventures. The company is using a mix of public grants and private capital to commercialize its technology and scale ocean wave energy deployments.
- Shizen Energy
Participated · Series A · May 2026
Shizen Connect builds and operates a VPP energy management system that integrates batteries, EVs, heat pumps (eco-cute) and other devices using IoT and AI to enable aggregated control and market transactions. The company develops its own IoT devices, AI-based optimization, and a digital platform for large-scale VPP and DR services, and sells related hardware. Its platform has been adopted by major utilities and energy companies (including Tokyo Gas, Tokyo Electric Power Energy Partner, Hokkaido Electric Power, Hokuriku Electric Power, Osaka Gas, JERA, Tokyu Fudosan and others) across household DR and grid-scale battery control. Independent market research (Fuji Keizai) cited Shizen Connect as No.1 by corporate contract count in DR/VPP platforms and No.1 in AC/RA system corporate contract counts. The company aims to scale via capital-business alliances with 16 partners to become the de facto standard VPP platform. Shizen Connect was founded on October 2, 2023 and is headquartered in Tokyo; it plans to use newly raised funds to hire engineers and invest further in R&D.
- Nature
Participated · Series D · Jun 2024
Nature develops smart-home IoT products (the Nature Remo series) and a smartphone HEMS (Nature Remo E) and is building an energy-management stack to accelerate renewable adoption. The company aims to construct the Nature DER Platform to optimally control distributed energy resources (DERs) using its smart remotes, HEMS, app, and demand-response know‑how. Nature has sold over 650,000 units of the Nature Remo smart remote and offers multiple Remo models including Nature Remo Lapis, Remo 3, Remo mini 2, and Remo nano. Recent commercial partnerships and pilots include Tokyo Gas (battery utilization / IGNITURE), ENEOS Power (EV optimal charging trial), and au Energy & Life (a “Smart節電 with Nature Green” service using Nature Remo Lapis started June 2024). The company was founded in December 2014 and is headquartered in Yokohama, Kanagawa. Proceeds from the Series D are intended to fund construction of the Nature DER Platform, expand partner-led deployments and device integrations, develop new products, and strengthen hiring.
- Enechain
Participated · Series B · Apr 2024
enechain provides eSquare Live, an online marketplace where market participants can buy and sell electricity, fuels, and environmental value products. The platform has handled more than ¥3 trn in cumulative wholesale electricity transactions, and its screen‐based trading volume via eSquare Live grew more than 25× year-on-year. To reduce counterparty and settlement risk, the company runs joint ventures eClear (with MUFG Bank) for power-trade clearing and eXstend (with Sumitomo Mitsui Financial Group) for fuel-price hedging. Following its latest financing, enechain’s paid-in capital has reached roughly ¥10 bn and group-wide funding now totals several hundred billion yen. The new capital will be used to upgrade eSquare Live to global-class UX and reliability standards, aggregate additional products and data, deepen ecosystem integrations, and embed advanced AI capabilities through a newly created AI lab. The company will also invest heavily in cybersecurity and consider M&A to accelerate energy-sector digital transformation.
- Octopus Energy
Participated · Equity · Dec 2023
Octopus Energy builds and licenses the Kraken data and machine-learning platform to energy suppliers and other partners, supporting smart tariffs and demand flexibility. Kraken is contracted to support over 54 million customer accounts worldwide and to manage more than 38 GW across 180,000 green energy assets in 12 countries. Under its retail brand the company delivers energy products to 7.8 million households and operates across 18 countries. The platform is licensed to major suppliers including EDF, E.ON and Origin Energy and Octopus recently signed a multi-year contract with Saint John Energy in Canada. The company says Kraken reduces costs for suppliers and improves customer service while enabling electrification of heat and transport through smarter systems. Leadership states the new investor support will help ramp innovation, expand global impact and accelerate growth across North America, Europe and emerging markets. Octopus Energy Group operates retail energy services and the Kraken technology platform, which is licensed to support over 52 million customer accounts worldwide. Under its own retail brand it serves 7.2 million households and the group says its operations span 18 countries and the entire energy value chain. The group invests in, builds and manages renewable projects and reports operating a roughly £6 billion portfolio of projects; it also states its renewable generation portfolio has grown to about $7.6bn (£6bn). Octopus has expanded into electric-vehicle leasing and secured a £550m funding facility for Octopus Electric Vehicles, and in 2023 launched heat-pump installation and began manufacturing its own models. Recent strategic moves include the acquisition of Shell’s Energy and Broadband business in the UK and Germany and an inaugural wind and solar project in Sierra Leone, bringing its footprint to 18 countries. The company highlights strong customer metrics—Which? Recommended for six consecutive years, high Trustpilot scores (~4.8/5) and customer savings delivered via programmes such as Saving Sessions. Octopus Energy Group is a London-based clean energy technology company whose core product is the Kraken energy platform. Kraken supports the company's retail, generation and flexibility businesses and is the focus of continued development. The company manages 3GW of energy projects. Octopus raised $550 million in new investment to further improve Kraken and expand renewables. The capital will be used to develop products and solutions aimed at addressing the energy crisis and driving renewables at scale. Company leadership highlighted backing from investors including CPP Investments, Generation, Origin and Tokyo Gas. Octopus Energy Group is a London‑based renewable energy retailer that also develops the Kraken smart‑grid technology platform for customer service. The Kraken platform currently holds about 17 million accounts and the company aims to reach 100 million accounts by 2027. Octopus serves more than 3 million customers in the U.K. and supplies energy in the U.S., Germany, Spain, Italy, New Zealand, and Japan, and has established its U.S. headquarters in Houston. The company’s renewable investment arm, Octopus Energy Generation, manages assets exceeding $4.5 billion. Octopus is on track to supply enough wind and solar energy to power 2 million more homes by 2025 and plans to activate 30 more wind turbines. The business positions itself around improving customer experience and expanding access to renewable energy globally. Octopus Energy Group is a U.K. energy-technology company built around its "Kraken" platform that reroutes energy from renewable sources across networks. It manages 17 million energy accounts in 12 countries and operates retail businesses in the U.K., U.S., Germany, Spain and New Zealand while licensing technology to multiple partners. The group runs 13 businesses and is an owner-operator of wind, solar and biomass generation assets, currently holding £3.5 billion in generation assets with plans to 10x that over the next ten years. Octopus has launched Electric Juice, an EV roaming network covering 100,000 charge points, and partnered with Tesla to launch Tesla Power in the U.K. and Germany. The company has acquired smart-grid specialist Upside Energy, established the Centre for Net Zero, and invested £10 million in an R&D and Training Centre for Decarbonisation of Heat. Octopus says it will use new strategic funding to push further into the U.S. market, where it already has a presence in Texas.
Team
Takashi Uchida
President and CEO
Asano Sōichirō
Co-Founder
Shibusawa Eiichi
Founder
Hisao Watanabe
Chief Executive of Information Technology Division
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