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.

👋🏼 Hey there! Bounce Watch here — I'm gathering key information from Top Energy Startups in Japan list.

Real-Time Scouting Assistant
Bounce Watch Mini Logo

Explore Top Energy Startups in Japan featuring 48 Companies

Showing 48 Companies

Bounce Watch Mini Logo
Sharing Energy - Tansform energy system through the creation of DERs. Providing Share Denki, PV systems without any initial cost and reasonable servic... - Japan Flag Japan - Japan (HQ) 2018 Energy, Retail -
1
Low
4
3.4K (-3%) 1 year ago Series B 5 4.0B 68 1 year ago
AESC - Manufacturing batteries for a clean energy future AESC is a global leader in the development and manufacturing of high-performance... - Japan Flag Japan - Japan (HQ) + 3 2007 Energy, Manufacturing +1 -
1
Low
1214
42.8K (-5%) 1 year ago Debt Financing 2 200.0M 29403 5 months ago
WASSHA Inc. - Power to the people! Our mission is to provide power to the people.
Through Kiosks, WASSHA provides a...
- Japan Flag Japan - Japan (HQ) + 1 2013 Energy, Information Technology +3 [email protected]
1
Low
178
4.4K (29%) 3 years ago Series C 6 29.2M 4962 9 elM MFL
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 Flag Japan - Japan (HQ) + 1 2021 Energy, Clean Energy -
1
Low
15
5.9K (103%) 1 year ago Seed 2 1.9B 685 1 year ago
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 Flag Japan - Japan (HQ) 2021 Energy, Renewable Energy -
1
Low
22
1.6K 1 year ago Seed 3 588.8M 570 7 months ago
APB Corporation - Change the World with All Polymer Battery APB is a startup developing and manufacturing All Polymer Battery.
All Polymer...
- Japan Flag Japan - Japan (HQ) 2018 Energy, Manufacturing +1 [email protected]
1
Low
18
6.5K (-41%) 4 years ago Series Unknown 5 9.9B 430 10 gCa BSm
ATONARP - Unlocking Molecular Insights Atonarp is advancing clinical diagnostics, life science research, semiconductor... - Japan Flag Japan - Japan (HQ) + 3 2009 Analytics, Care Economy +4 -
1
Low
38
1.6K (-20%) 4 years ago Series D 7 101.5M 4450 1 year ago
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...
- Japan Flag Japan - Japan (HQ) 2008 Energy, Renewable Energy [email protected]
1
Low
5
1.8K (20%) 10 years ago Series Unknown 4 231.0M 68 9 fva V0g
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 Flag Japan - Japan (HQ) 2020 Energy, Renewable Energy +1 [email protected]
1
Low
5
2.3K (-8%) 1 year ago Series C 6 1.8B 103 2 WML 9CL
Forest Energy - Developer and operator of wood fired biomass power plant in Japan. We focus on s... Tokyo, Japan - Japan Flag Japan - Japan (HQ) 2014 Energy, Renewable Energy +1 [email protected]
1
Low
15
3.5K (-36%) 4 years ago Corporate Round 2 200.0M 141 1 year ago
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 Flag Japan - Japan (HQ) 1999 Energy, Industrial -
1
Low
4
581 (-100%) 4 years ago Series Unknown 3 800.0M 111 7 months ago
PowerX, Inc. - Reimagining power transfer technologies. Accelerating the adoption of renewable... PowerX pioneers renewable energy solutions by providing advanced BESS, ultrafast... - Japan Flag Japan - Japan (HQ) 2021 Energy, Renewable Energy [email protected]
1
Low
103
45.5K (-40%) 1 year ago Series B 3 12.9B 2764 5 months ago
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 Flag Japan - Japan (HQ) + 1 2015 Blockchain, Energy [email protected]
1
Low
6
29397 - Seed - 140.0M 50 3 years ago
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 Flag Japan - Japan (HQ) + 3 2011 Developer Tools, Energy +2 [email protected]
1
Low
186
44.3K (-16%) 2 years ago Private Equity 3 74.7B 8368 5 months ago
TRENDE Inc. - Accelerating Japan's transition to distributed renewable energy. An online renewable energy retailer selling electricity to residential customers... - Japan Flag Japan - Japan (HQ) 2017 Energy, Renewable Energy +1 [email protected]
1
Low
13
2.8K (-7%) 4 years ago Series B 3 1.8B 231 3 Jwz wB4
Clean Planet Inc. - Making a clean energy revolution with "Quantum Hydrogen Energy" Clean Planet will initiate, create and distribute clean energy technologies that... - Japan Flag Japan - Japan (HQ) 2012 Energy, Renewable Energy -
1
Low
6
4.0K (-9%) 6 years ago Corporate Round 2 996.2M 202 5 months ago
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 Flag Japan - Japan (HQ) 2018 Energy, Renewable Energy [email protected]
1
Low
13
12.5K (-35%) 10 months ago Series C 6 5.8B 263 4 months ago
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 Flag Japan - Japan (HQ) 2014 Consumer Electronics, Energy +4 [email protected]
1
Low
34
162.3K (-45%) 11 months ago Series D 8 20.2M 1367 1 TAI x5J
ASUENE - - Established in 2019, Asuene is a key player in sustainable transformation soluti... - Japan Flag Japan - Japan (HQ) + 3 2019 Energy, Renewable Energy [email protected]
1
Low
60
144.4K (-19%) 11 months ago Series C 6 7.2B 2293 1 aTh DMH
ENECHANGE (エネチェンジ... - - ENECHANGE (TYO: 4169) is the leading climate-tech company listed at Tokyo Stock... - Japan Flag Japan - Japan (HQ) + 1 2015 Energy, Information Technology +2 -
1
Low
77
634 (-100%) 6 years ago Series B 6 19.1M 415 8 rCi WXa
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 Flag Japan - Japan (HQ) 2018 Content Creators, Energy +1 -
1
Low
4
67992 - Seed - 50.0M 24 1 1jv jkW
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 Flag Japan - Japan (HQ) 1982 Energy, Renewable Energy [email protected]
1
Low
1
931 (-38%) 9 years ago Post Ipo Equity 1 Unknown 86 7 snY dQh
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...
- Japan Flag Japan - Japan (HQ) + 1 2015 Energy, Information Technology [email protected]
1
Low
46
12.8K (13%) - - - - 674 5 months ago
Murata - Join the Innovators in Electronics. ■About Murata
Murata is a global leader in the design, manufacture and supply of...
- Japan Flag Japan - Japan (HQ) + 3 1944 Energy, Manufacturing -
1
Low
6214
701.2K (-12%) - - - - 76957 5 months ago
ITOCHU Corporation - I am One with Infinite Missions The history of ITOCHU Corporation dates back to 1858 when the Company's founder... - Japan Flag Japan - Japan (HQ) 1858 Consumer Goods, Energy +1 -
1
Low
1775
220.8K - - - - 23178 5 months ago
Sharing Energy - Tansform energy system through the creation of DERs. Providing Share Denki, PV systems without any initial cost and reasonable servic... - Japan Flag Japan - Japan (HQ) 2018 Energy -
1
Low
4
3.5K - - - - 68 1 year ago
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 Flag Japan - Japan (HQ) 1976 Energy, Water -
1
Low
18
11.1K (22%) - - - - 51 9 eK8 Kf1
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 Flag Japan - Japan (HQ) + 2 1918 Energy, Manufacturing +1 -
1
Low
4355
40.3K (-47%) - - - - 55199 5 months ago
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 Flag Japan - Japan (HQ) 1997 Energy, Renewable Energy -
1
Low
8
3.5K (-8%) - - - - 41589 6 ItO Tjh
TLV International, Inc. - A Steam Specialist Company Established in Japan in 1950, TLV has grown to become a world authority in steam... - Japan Flag Japan - Japan (HQ) + 15 1950 Energy, Industrial +1 -
1
Low
202
309.0K (-8%) - - - - 10279 5 months ago
Fuji Electric Co., Ltd. - Innovating Energy Technology Fuji Electric is committed to thoroughly exercising synergies between its core p... - Japan Flag Japan - Japan (HQ) 1923 Automation, Consumer Electronics +1 -
1
Low
1370
208.3K - - - - 147023 5 months ago
Sharing Energy - Tansform energy system through the creation of DERs. Providing Share Denki, PV systems without any initial cost and reasonable servic... - Japan Flag Japan - Japan (HQ) 2018 Energy -
1
Low
4
3.4K (-41%) - - - - 67 7 Ppa 1JB
Japan Interconnector Inc. - Developing East Asia's first international interconnectors Japan Interconnector was founded in 2022 as a dedicated platform for developing... - Japan Flag Japan - Japan (HQ) 2022 Energy -
1
Low
8
521 - - - - 98383 4 vM2 HUM
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 Flag Japan - Japan (HQ) 2018 Energy, IT [email protected]
1
Low
4
48.1K (-23%) - - - - 23 3 xwI oJ6
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...
- Japan Flag Japan - Japan (HQ) 2002 Energy -
1
Low
14
86.7K - - - - 99664 7 dbX DvP
J-POWER - - The Electric Power Development Co., Ltd., operating under the brand name J-POWER... - Japan Flag Japan - Japan (HQ) 1952 Energy, Energy Efficiency [email protected]
1
Low
135
79.6K (-11%) - - - - 29898 3 wX4 Xgg
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 Flag Japan - Japan (HQ) 2006 Energy, Renewable Energy +1 [email protected]
1
Low
39
44.7K (-18%) - - - - 3254 7 years ago
Kinkei System Corporation - - 1. Production of electrical power line fault monitoring and recording devices
2....
- Japan Flag Japan - Japan (HQ) + 3 1962 Energy, Privacy and Security -
1
Low
2
15.2K - - - - 19 7 PYb KWx
ASAHI YUKIZAI CORPORATION - The Thermoplastic Advantage ASAHI YUKIZAI CORPORATION was established at Nobeoka in Miyazaki Prefecture, not... - Japan Flag Japan - Japan (HQ) 1945 Energy, Industrial +1 -
1
Low
81
50727 - - - - 937 5 months ago
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 Flag Japan - Japan (HQ) 2023 Energy, Manufacturing +2 [email protected]
1
Low
3
27448 - - - - 71 9 gKv l0c