# Tokyo Electric Power

> Tokyo Electric Power is a VC fund backing Energy and Renewable Energy. See 16 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: VC Fund
- Location: Tokyo, Japan
- Total investments: 16
- Last investment: Apr 2021
- Lead investor: 44%
- Last updated: Sep 2026
- LinkedIn: https://www.linkedin.com/company/tokyo-electric-power-company/
- X (Twitter): https://twitter.com/tepco_english
- Website: https://www.tepco.co.jp
- Facebook: https://www.facebook.com/OfficialTEPCOen

Tokyo Electric Power is a VC fund in Tokyo focused on Energy and Renewable Energy. TEPCO, is a Japanese electric utility servicing Japan's Kantō region, Yamanashi Prefecture, and the eastern portion of Shizuoka Prefecture. This area includes Tokyo. Its headquarters are located in Uchisaiwaicho, Chiyoda, Tokyo, and international branch offices exist in Washington, D.C., and London.

## Contacts

5 contacts available for Tokyo Electric Power. Shizune tracks 9 team members at Tokyo Electric Power. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/tokyo-electric-power?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 6 | 38% |
| Renewable Energy | 4 | 25% |
| Information Technology | 4 | 25% |
| Blockchain | 3 | 19% |
| Rental | 2 | 13% |

38 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Venture - Series Unknown | 5 | 31% |
| Grant | 2 | 13% |
| Series A | 2 | 13% |
| Series B | 2 | 13% |
| Corporate Round | 2 | 13% |

8 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 7 | 44% |
| United States | 3 | 19% |
| United Kingdom | 3 | 19% |
| Germany | 2 | 13% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Douglas MacArthur | Founder | 0 | https://shizune.co/investors/profile/douglas-macarthur |
| Fumio Sudo | Chairman | 0 | — |
| Hiroshi Yamaguchi | Managing Director,Deputy General Manager,Power Network Division | 0 | — |
| Katsuyuki Sumiyoshi | Managing Executive Officer | 0 | — |
| Kenji Yamazaki | Managing Executive Officer | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| E Mobility Power | E Mobility Power provides services and social infrastructure that support the next-generation mobility society. | $136.1M | Venture - Series Unknown | Apr 05, 2021 | https://www.e-mobipower.co.jp/ |
| Japan Infra Waymark | Japan's infrastructure is an infrastructure consulting and planning company.Japan's infrastructure aim to create a social environment where people can live with peace of mind by reducing the burden on inspection operators nationwide with efficient solutions through digitalization . |  | Venture - Series Unknown | Apr 20, 2020 | https://www.jiw.co.jp/company/ |
| Welmo | WELMO has currently been working on R&D to launch Japan's largest welfare AI service platform called "CPA(Care Plan Assistant)" which supports care coordinator (caregiver), who helps a daily activities of the elderly people, to create a care plan for them, with using ICT and advanced technology, especially NLP(Natural LanguageProcessing), in terms of knowledge support. It has mainly two fundamental technologies; data warehouse includes all fast date and big date about care, explainable AI that describes a reason why the care is provided for the users. It also reduces time and cost to create the care plan, which enables anyone to be able to use easily and get enough information that the users want to know and use. | $3.7M | Series B | Apr 13, 2020 | https://welmo.co.jp/ |
| Prime Star | Prime Star is to design, manufacture, sale and import / export of general lighting equipment including LED lighting equipment. |  | Corporate Round | May 10, 2019 | http://primestar.co.jp/ |
| Zenobe Energy | Zenobe Energy ( formerly known as Battery Energy Storage Solutions Limited) is the largest independent owner and operator of battery storage in the UK. We transform the way grid operators and businesses use power to reduce costs, improve reliability and benefit the environment. | $32.6M | Venture - Series Unknown | Feb 19, 2019 | https://www.zenobe.com |
| Unified Services | Unified Service introduces advanced technologies and services from Europe and the United States to the Japanese market. | $5.6M | Venture - Series Unknown | Nov 22, 2018 | https://unisrv.jp/home |
| Toranotec | TORANOTEC CORPORATION aims to create a world where investment is familiar to everyone by realizing "from consumption to investment" through the services of asset management subsidiaries , utilizing advanced technology. |  | Corporate Round | Apr 12, 2018 | http://toranotec.com/ |
| Conjoule | Conjoule is a venture capital backed start-up that is building the decentralized energy marketplace of the future where all participants are able to transact electricity and flexibility amongst each other as peers without the need for traditional middlemen. We are building disruptive new digital business models that fundamentally redesign the waythat energy market participants interact with each other. Our first product, which is currently in pilot testing, enables residential solar photovoltaic owners to sell their excess electricity to local consumers on our blockchain-enabled platform. The platform will provide market access for grid edge assets to market energy, capacity, and flexibility. | $5.1M | Series A | Jul 10, 2017 | http://www.conjoule.com |
| Moixa Technology | Moixa Technology develops the Maslow intelligent energy storage solution, enabling homes to store energy and benefit from revenue streams generated by trading energy through GridShare, an SaaS platform that aggregates energy from groups of Maslow energy storage systems. . The company develops smart DC technologies to power DC lighting, computing,electronics from grid-shifted storage or local PV from smart DC hubs, variable DC networks and sockets. The technology and IPR reduces grid peak by shifting DC device load and powering DC devices efficiently without inverters or AC/DC adaptors, together with providing smart control and energy management. The technology aims to address the 1 trillion kwh + lost annually in power conversion, and the significant growing DC demand in homes, offices from ICT, LED lighting and the rise in internet connected devices. | $1.9M | Venture - Series Unknown | Jun 28, 2017 | https://www.moixa.com |
| Energy Web Foundation | Energy Web Foundation (EWF) is a global nonprofit unleashing blockchain’s potential in the energy sector. With offices in Switzerland, Germany, and the United States, they’ve assembled a stellar team of experienced energy and blockchain professionals to achieve their vision.Blockchain technology applied in the energy sector has the potential toreduce transaction costs, enhance data security and transparency, open markets to a larger number of active participants (consumers and devices), and accelerate the transition towards a digitalized, decarbonized, decentralized, democratized and resilient energy system. | $2.5M | Grant | May 10, 2017 | http://energyweb.org |

10 of 16 investments shown.

## Co-investors
- Tepco Frontier Partners — VC Fund, 2 deals together
- [BaseTech Ventures](https://shizune.co/investors/profile/basetech-ventures) — VC Fund, 1 deal together
- Bechtel Corporation — VC Fund, 1 deal together
- [Chubu Electric Power](https://shizune.co/investors/profile/chubu-electric-power-company) — VC Fund, 1 deal together
- Daiko Securities Business — VC Fund, 1 deal together
- [Development Bank of Japan](https://shizune.co/investors/profile/development-bank-of-japan) — VC Fund, 1 deal together

## Similar investors

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- [Almi Invest](https://shizune.co/investors/profile/almi-invest) — VC Fund
- [Business Growth Fund](https://shizune.co/investors/profile/business-growth-fund) — VC Fund

## FAQ

### What does Tokyo Electric Power invest in?

Tokyo Electric Power invests primarily in Energy, Renewable Energy and Information Technology startups, most often at Venture - Series Unknown and Grant stage. Most of the 16 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Tokyo Electric Power?

Public channels for Tokyo Electric Power include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Tokyo Electric Power?

The team at Tokyo Electric Power includes Douglas MacArthur (Founder), Fumio Sudo (Chairman) and Hiroshi Yamaguchi (Managing Director,Deputy General Manager,Power Network Division), among 9 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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