Top Energy Companies in Japan (2026 Update)
Browse Energy companies in Japan with up-to-date profiles — funding rounds, investors, hiring, and expansion signals. Find recently funded and growing companies. Updated 2026.
Showing 49 Companies
| Company | Location | Founded | Industry | Services | Target Customers | Business Model | Revenue Model | Founders | Employees | Funding Stage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
Sharing Energy
Tansform energy system through the creation of DERs. |
Japan
|
2018 |
Energy
Retail
|
— | — | — | — | — | 4 | Series B |
|
AESC
Manufacturing batteries for a clean energy future |
Japan
|
2007 |
Energy
Manufacturing
+1
|
— | — | — | — | — | 1,214 | Debt Financing |
|
WASSHA Inc.
Power to the people! |
Japan
|
2013 |
Energy
Information Technology
+3
|
— | — | — | — | — | 178 | Series C |
|
|
EX-Fusion Inc.
The solutions company for next generation laser-based n… |
Japan
|
2021 |
Energy
Clean Energy
|
— | — | — | — | — | 15 | Seed |
|
APB Corporation
Change the World with All Polymer Battery |
Japan
|
2018 |
Energy
Manufacturing
+1
|
— | — | — | — | — | 18 | Series Unknown |
|
ATONARP
Unlocking Molecular Insights |
Japan
|
2009 |
Analytics
Care Economy
+4
|
— | — | — | — | — | 38 | Series D |
|
I AND C-Cruise Co.Ltd.（株式会...
Empowering a sustainable lifestyle with eco-friendly pr… |
Japan
|
2008 |
Energy
Renewable Energy
|
— | — | — | — | — | 5 | Series Unknown |
|
Clean Energy Connect
Clean Energy Connect is a clean & green energy service… |
Japan
|
2020 |
Energy
Renewable Energy
+1
|
— | — | — | — | — | 5 | Series C |
|
Forest Energy
Developer and operator of wood fired biomass power plan… |
Japan
|
2014 |
Energy
Renewable Energy
+1
|
— | — | — | — | — | 15 | Corporate Round |
|
|
Informetis Europe Ltd
先進AIで高度にデータを活かすエナジー・インフォマティッ… |
Japan
|
1999 |
Energy
Industrial
|
— | — | — | — | — | 4 | Series Unknown |
|
PowerX, Inc.
Reimagining power transfer technologies. Accelerating t… |
Japan
|
2021 |
Energy
Renewable Energy
|
— | — | — | — | — | 103 | Series B |
|
Nayuta
2nd Layer Technology / Lightning Network / Bitcoin / Bl… |
Japan
|
2015 |
Blockchain
Energy
|
— | — | — | — | — | 6 | Seed |
|
Shizen Energy Group
We are a leading company in renewable energy and decarb… |
Japan
|
2011 |
Developer Tools
Energy
+2
|
— | — | — | — | — | 186 | Private Equity |
|
TRENDE Inc.
Accelerating Japan's transition to distributed renewabl… |
Japan
|
2017 |
Energy
Renewable Energy
+1
|
— | — | — | — | — | 13 | Series B |
|
Clean Planet Inc.
Making a clean energy revolution with "Quantum Hydrogen… |
Japan
|
2012 |
Energy
Renewable Energy
|
— | — | — | — | — | 6 | Corporate Round |
|
株式会社エネコートテクノロジー...
ペロブスカイト太陽電池で未来を創ります |
Japan
|
2018 |
Energy
Renewable Energy
|
— | — | — | — | — | 13 | Series C |
|
Nature Inc.
Driving a sustainable coexistence with nature through t… |
Japan
|
2014 |
Consumer Electronics
Energy
+4
|
— | — | — | — | — | 34 | Series D |
|
Tensor Energy
Creating the operating system of our zero-carbon, distr… |
Japan
|
2021 |
Energy
Renewable Energy
+1
|
Development Of Renewable Energy Plants
Resource Management
+3
|
Energy Producers
Renewable Energy Operators
+2
|
— | — | — | 22 | Series Unknown |
|
ASUENE |
Japan
|
2019 |
Energy
Renewable Energy
|
— | — | — | — | — | 60 | Series C |
|
|
ENECHANGE （エネチェンジ） |
Japan
|
2015 |
Energy
Information Technology
+2
|
Energy Data Utilization
AI-Enhanced Product Development
+1
|
Consumers Interested In Sustainable Energy
Businesses Looking For Energy Transition Solutions
+1
|
— | — | — | 80 | Series B |
Showing 20 of 49 companies in this list
