Top Energy Startups in Japan (2025 Update)
Explore the best Energy companies in Japan. Discover high-growth startups and investment opportunities in our 2025 updated list.
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Explore Top Energy Startups in Japan featuring 48 Companies
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Sharing Energy | - | Tansform energy system through the creation of DERs. | Providing Share Denki, PV systems without any initial cost and reasonable servic... | - |
Japan
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- | Japan (HQ) | 2018 | Energy, Retail | - |
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4
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3.4K (-3%) | 1 year ago | Series B | 5 | 4.0B | 68 | 1 year ago | |
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AESC | - | Manufacturing batteries for a clean energy future | AESC is a global leader in the development and manufacturing of high-performance... | - |
Japan
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- | Japan (HQ) + 3 | 2007 | Energy, Manufacturing +1 | - |
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1214
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42.8K (-5%) | 1 year ago | Debt Financing | 2 | 200.0M | 29403 | 5 months ago | |
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WASSHA Inc. | - | Power to the people! |
Our mission is to provide power to the people. Through Kiosks, WASSHA provides a... |
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Japan
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- | Japan (HQ) + 1 | 2013 | Energy, Information Technology +3 | [email protected] |
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178
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4.4K (29%) | 3 years ago | Series C | 6 | 29.2M | 4962 | 9 elM MFL | |
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EX-Fusion Inc. | - | The solutions company for next generation laser-based nuclear fusion. | The company aims to provide a system for high repetition lasers such as laser tr... | - |
Japan
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- | Japan (HQ) + 1 | 2021 | Energy, Clean Energy | - |
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15
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5.9K (103%) | 1 year ago | Seed | 2 | 1.9B | 685 | 1 year ago | |
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Tensor Energy | - | Creating the operating system of our zero-carbon, distributed energy future | We are creating the operating system of our zero-carbon, distributed energy futu... | - |
Japan
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- | Japan (HQ) | 2021 | Energy, Renewable Energy | - |
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22
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1.6K | 1 year ago | Seed | 3 | 588.8M | 570 | 7 months ago | |
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APB Corporation | - | Change the World with All Polymer Battery |
APB is a startup developing and manufacturing All Polymer Battery. All Polymer... |
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Japan
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- | Japan (HQ) | 2018 | Energy, Manufacturing +1 | [email protected] |
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18
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6.5K (-41%) | 4 years ago | Series Unknown | 5 | 9.9B | 430 | 10 gCa BSm | |
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ATONARP | - | Unlocking Molecular Insights | Atonarp is advancing clinical diagnostics, life science research, semiconductor... | - |
Japan
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- | Japan (HQ) + 3 | 2009 | Analytics, Care Economy +4 | - |
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38
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1.6K (-20%) | 4 years ago | Series D | 7 | 101.5M | 4450 | 1 year ago | |
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I AND C-Cruise Co.Ltd.（... | - | Empowering a sustainable lifestyle with eco-friendly products and seamless consu... |
＜株式会社アイアンドシー・クルーズ エージェント事業のご紹介＞ ◆当社はスマート... |
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Japan
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- | Japan (HQ) | 2008 | Energy, Renewable Energy | [email protected] |
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5
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1.8K (20%) | 10 years ago | Series Unknown | 4 | 231.0M | 68 | 9 fva V0g | |
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Clean Energy Connect | - | Clean Energy Connect is a clean & green energy service provider that connects di... | Clean Energy Connect Inc. is a clean & green energy service provider that connec... | - |
Japan
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- | Japan (HQ) | 2020 | Energy, Renewable Energy +1 | [email protected] |
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5
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2.3K (-8%) | 1 year ago | Series C | 6 | 1.8B | 103 | 2 WML 9CL | |
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Forest Energy | - | Developer and operator of wood fired biomass power plant in Japan. We focus on s... | Tokyo, Japan | - |
Japan
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- | Japan (HQ) | 2014 | Energy, Renewable Energy +1 | [email protected] |
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15
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3.5K (-36%) | 4 years ago | Corporate Round | 2 | 200.0M | 141 | 1 year ago | |
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Informetis Europe Ltd | - | 先進AIで高度にデータを活かすエナジー・インフォマティックス事業 | Informetis Europe, based in Cambridge, is a subsidiary of Informetis Company Jap... | - |
Japan
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- | Japan (HQ) | 1999 | Energy, Industrial | - |
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4
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581 (-100%) | 4 years ago | Series Unknown | 3 | 800.0M | 111 | 7 months ago | |
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PowerX, Inc. | - | Reimagining power transfer technologies. Accelerating the adoption of renewable... | PowerX pioneers renewable energy solutions by providing advanced BESS, ultrafast... | - |
Japan
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- | Japan (HQ) | 2021 | Energy, Renewable Energy | [email protected] |
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103
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45.5K (-40%) | 1 year ago | Series B | 3 | 12.9B | 2764 | 5 months ago | |
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Nayuta | - | 2nd Layer Technology / Lightning Network / Bitcoin / Blockchain / @Nayuta_en act... | A start-up in the field of cryptocurrency and blockchain. Especially, we are dev... | - |
Japan
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- | Japan (HQ) + 1 | 2015 | Blockchain, Energy | [email protected] |
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6
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29397 | - | Seed | - | 140.0M | 50 | 3 years ago | |
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Shizen Energy Group | - | We are a leading company in renewable energy and decarbonization solutions. | Shizen Energy was founded in 2011 by 3 founding members who were determined to "... | - |
Japan
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- | Japan (HQ) + 3 | 2011 | Developer Tools, Energy +2 | [email protected] |
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186
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44.3K (-16%) | 2 years ago | Private Equity | 3 | 74.7B | 8368 | 5 months ago | |
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TRENDE Inc. | - | Accelerating Japan's transition to distributed renewable energy. | An online renewable energy retailer selling electricity to residential customers... | - |
Japan
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- | Japan (HQ) | 2017 | Energy, Renewable Energy +1 | [email protected] |
1
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13
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2.8K (-7%) | 4 years ago | Series B | 3 | 1.8B | 231 | 3 Jwz wB4 | |
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Clean Planet Inc. | - | Making a clean energy revolution with "Quantum Hydrogen Energy" | Clean Planet will initiate, create and distribute clean energy technologies that... | - |
Japan
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- | Japan (HQ) | 2012 | Energy, Renewable Energy | - |
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6
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4.0K (-9%) | 6 years ago | Corporate Round | 2 | 996.2M | 202 | 5 months ago | |
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株式会社エネコートテクノ... | - | ペロブスカイト太陽電池で未来を創ります | ペロブスカイト太陽電池の部材とモジュールの製造・販売 | - |
Japan
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- | Japan (HQ) | 2018 | Energy, Renewable Energy | [email protected] |
1
Low
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13
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12.5K (-35%) | 10 months ago | Series C | 6 | 5.8B | 263 | 4 months ago | |
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Nature Inc. | - | Driving a sustainable coexistence with nature through technology. | Founded in 2014, Nature Inc. is aiming to drive a sustainable coexistence with n... | - |
Japan
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- | Japan (HQ) | 2014 | Consumer Electronics, Energy +4 | [email protected] |
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34
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162.3K (-45%) | 11 months ago | Series D | 8 | 20.2M | 1367 | 1 TAI x5J | |
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ASUENE | - | - | Established in 2019, Asuene is a key player in sustainable transformation soluti... | - |
Japan
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- | Japan (HQ) + 3 | 2019 | Energy, Renewable Energy | [email protected] |
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60
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144.4K (-19%) | 11 months ago | Series C | 6 | 7.2B | 2293 | 1 aTh DMH | |
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ENECHANGE （エネチェンジ... | - | - | ENECHANGE (TYO: 4169) is the leading climate-tech company listed at Tokyo Stock... | - |
Japan
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- | Japan (HQ) + 1 | 2015 | Energy, Information Technology +2 | - |
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77
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634 (-100%) | 6 years ago | Series B | 6 | 19.1M | 415 | 8 rCi WXa | |
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enerbank Inc. | - | エネルギーをもっとシンプルに | 株式会社エナーバンクは電力×ITを強みとするエネルギーテック企業です。2019年1月業界... | - |
Japan
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- | Japan (HQ) | 2018 | Content Creators, Energy +1 | - |
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4
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67992 | - | Seed | - | 50.0M | 24 | 1 1jv jkW | |
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GCL New Energy Japan Co.,... | - | Own more than 7GW, one of the largest solar IPP, listed on the Hong Kong Stock E... | GCL New Energy, Inc. is a member of GCL New Energy Holdings Limited (0451.HK). I... | - |
Japan
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- | Japan (HQ) | 1982 | Energy, Renewable Energy | [email protected] |
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1
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931 (-38%) | 9 years ago | Post Ipo Equity | 1 | Unknown | 86 | 7 snY dQh | |
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booost technologies,Inc. | - | 私たちは、CSRDやISSB等に対応した、CO2排出量からESG全般まで、非財務情報のデータ収... |
【ESG経営をブーストする｢サステナビリティERP」】 私たちは、IFRS ISSB S1及びS2やCS... |
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Japan
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- | Japan (HQ) + 1 | 2015 | Energy, Information Technology | [email protected] |
1
Low
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46
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12.8K (13%) | - | - | - | - | 674 | 5 months ago | |
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Murata | - | Join the Innovators in Electronics. |
■About Murata Murata is a global leader in the design, manufacture and supply of... |
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Japan
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- | Japan (HQ) + 3 | 1944 | Energy, Manufacturing | - |
1
Low
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6214
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701.2K (-12%) | - | - | - | - | 76957 | 5 months ago | |
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ITOCHU Corporation | - | I am One with Infinite Missions | The history of ITOCHU Corporation dates back to 1858 when the Company's founder... | - |
Japan
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- | Japan (HQ) | 1858 | Consumer Goods, Energy +1 | - |
1
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1775
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220.8K | - | - | - | - | 23178 | 5 months ago | |
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Sharing Energy | - | Tansform energy system through the creation of DERs. | Providing Share Denki, PV systems without any initial cost and reasonable servic... | - |
Japan
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- | Japan (HQ) | 2018 | Energy | - |
1
Low
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4
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3.5K | - | - | - | - | 68 | 1 year ago | |
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NAGAOKA INTERNATIONAL COR... | - | 株式会社ナガオカは、環境にやさしい知恵を用いた浄水装置や取水装置、石油精製装置を... | 株式会社ナガオカは、環境にやさしい知恵を用いた浄水装置や取水装置、石油精製装置を... | - |
Japan
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- | Japan (HQ) | 1976 | Energy, Water | - |
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18
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11.1K (22%) | - | - | - | - | 51 | 9 eK8 Kf1 | |
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NSG Group | - | Changing our surroundings, improving our world. | The NSG Group is one of the world’s largest manufacturers of glass and glazing p... | - |
Japan
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- | Japan (HQ) + 2 | 1918 | Energy, Manufacturing +1 | - |
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4355
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40.3K (-47%) | - | - | - | - | 55199 | 5 months ago | |
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Hipotech Inc. | - | 長年のプラントエンジニアリングの経験と多数の納入実績をもとに、多種多様な工場から... | ハイポテックは、長年のプラントエンジニアリングの経験と多数の納入実績をもとに、多... | - |
Japan
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- | Japan (HQ) | 1997 | Energy, Renewable Energy | - |
1
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8
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3.5K (-8%) | - | - | - | - | 41589 | 6 ItO Tjh | |
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TLV International, Inc. | - | A Steam Specialist Company | Established in Japan in 1950, TLV has grown to become a world authority in steam... | - |
Japan
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- | Japan (HQ) + 15 | 1950 | Energy, Industrial +1 | - |
1
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202
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309.0K (-8%) | - | - | - | - | 10279 | 5 months ago | |
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Fuji Electric Co., Ltd. | - | Innovating Energy Technology | Fuji Electric is committed to thoroughly exercising synergies between its core p... | - |
Japan
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- | Japan (HQ) | 1923 | Automation, Consumer Electronics +1 | - |
1
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1370
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208.3K | - | - | - | - | 147023 | 5 months ago | |
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Sharing Energy | - | Tansform energy system through the creation of DERs. | Providing Share Denki, PV systems without any initial cost and reasonable servic... | - |
Japan
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- | Japan (HQ) | 2018 | Energy | - |
1
Low
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4
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3.4K (-41%) | - | - | - | - | 67 | 7 Ppa 1JB | |
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Japan Interconnector Inc. | - | Developing East Asia's first international interconnectors | Japan Interconnector was founded in 2022 as a dedicated platform for developing... | - |
Japan
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- | Japan (HQ) | 2022 | Energy | - |
1
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8
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521 | - | - | - | - | 98383 | 4 vM2 HUM | |
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ADRE 不動産情報コンソーシ... | - | - | ADRE (Aggregate Data Ledger for Real Estate) is a blockchain consortium for Real... | - |
Japan
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- | Japan (HQ) | 2018 | Energy, IT | [email protected] |
1
Low
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4
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48.1K (-23%) | - | - | - | - | 23 | 3 xwI oJ6 | |
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Eco Plan Co. | - | - |
株式会社エコ・プランは3つのエコで、豊かな環境を創造します。 【PLAN1】 日本古... |
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Japan
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- | Japan (HQ) | 2002 | Energy | - |
1
Low
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14
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86.7K | - | - | - | - | 99664 | 7 dbX DvP | |
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J-POWER | - | - | The Electric Power Development Co., Ltd., operating under the brand name J-POWER... | - |
Japan
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- | Japan (HQ) | 1952 | Energy, Energy Efficiency | [email protected] |
1
Low
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135
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79.6K (-11%) | - | - | - | - | 29898 | 3 wX4 Xgg | |
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Solar Frontier K.K. | - | - | ソーラーフロンティアは親会社である昭和シェル石油が100年以上にわたって蓄積したエ... | - |
Japan
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- | Japan (HQ) | 2006 | Energy, Renewable Energy +1 | [email protected] |
1
Low
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39
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44.7K (-18%) | - | - | - | - | 3254 | 7 years ago | |
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Kinkei System Corporation | - | - |
1. Production of electrical power line fault monitoring and recording devices 2.... |
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Japan
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- | Japan (HQ) + 3 | 1962 | Energy, Privacy and Security | - |
1
Low
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2
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15.2K | - | - | - | - | 19 | 7 PYb KWx | |
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ASAHI YUKIZAI CORPORATION | - | The Thermoplastic Advantage | ASAHI YUKIZAI CORPORATION was established at Nobeoka in Miyazaki Prefecture, not... | - |
Japan
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- | Japan (HQ) | 1945 | Energy, Industrial +1 | - |
1
Low
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81
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50727 | - | - | - | - | 937 | 5 months ago | |
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Bell Energy Inc. | - | Bell Energy is working to foster the spread of clean energy systems in Japan. | Bell Energy is working to foster the spread of clean energy systems in Japan by... | - |
Japan
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- | Japan (HQ) | 2023 | Energy, Manufacturing +2 | [email protected] |
1
Low
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3
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27448 | - | - | - | - | 71 | 9 gKv l0c |