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Energy Startups in Tokyo

Discover 25 energy companies in Tokyo, Japan. See funding amounts, founders, and recent rounds.

Total Companies
25
Total Funding
$1.6B
Avg Funding
$66.0M

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Recently Funded Companies

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$1.6M
raised

Albatross Technology is a IT company that develops offshore renewable energy devices and floating offshore wind turbines.

Tokyo, Japan
Sep 2026

Founder Contacts

41,000+ verified contacts

Clean Energy
$37.4M
raised

Starlight Engine develops and commercializes fusion energy power plant technologies.

Tokyo, Japan
Sep 2026

Founder Contacts

41,000+ verified contacts

Clean Energy
$16.9M
raised

Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas.

Tokyo, Japan
Sep 2026

Founder Contacts

41,000+ verified contacts

Energy

Loop is a renewable energy company specializing in power generation and supply, lowering costs by owning the entire value chain.

Tokyo, Japan
Sep 2021

Founder Contacts

41,000+ verified contacts

Clean Energy
$1.3B
raised

Kyoto Fusioneering is a fusion energy engineering company that develops engineering solutions for commercial fusion power plants.

Tokyo, Japan
Aug 2026

Founder Contacts

41,000+ verified contacts

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Energy
$2.4M
raised

EX4Energy is a telecommunications company that specializes in business law and system construction solutions.

Tokyo, Japan
Aug 2024

Founder Contacts

41,000+ verified contacts

Manufacturing
$121.0M
raised

TBM develops, manufactures, and sells LIMEX, an eco-friendly alternative to plastic and paper, promoting material recycling.

Tokyo, Japan
Jul 2021

Founder Contacts

41,000+ verified contacts

Energy
$2.1M
raised

pHydrogen is an energy engineering firm that offers electrolyzers with earth-abundant resources using electrolyte engineering.

Tokyo, Japan
Jun 2025

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$747K
raised

Greenphard Energy is an IT consulting firm that offers renewable energy, machine learning, IoT data analysis, and cloud computing services.

Tokyo, Japan
Jun 2026

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$17.0M
raised

Shizen Connect develops energy management systems that coordinate distributed energy resources.

Tokyo, Japan
May 2026

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Girasol Energy is an IoT Platform provides innovative PLC technologies that enable wiser PV Plants.

Tokyo, Japan
Apr 2025

Founder Contacts

41,000+ verified contacts

Building Material
$10.7M
raised

Monochrome is creating a home operating system in order to power the next generation of energy-producing homes and roofs.

Tokyo, Japan
Apr 2026

Founder Contacts

41,000+ verified contacts

Clean Energy
$4.4M
raised

Asusola is a renewable energy developer that specializes in the installation and operation of wind and solar energy projects.

Tokyo, Japan
Apr 2025

Founder Contacts

41,000+ verified contacts

Battery
$21.4M
raised

PowerX produces energy storage system solutions and power transfer vessels along with comprehensive EV charging station services.

Tokyo, Japan
Mar 2025

Founder Contacts

41,000+ verified contacts

$4.4M
raised

booost technologies is a corporate sustainability solution provider that offers energy management and new power agency services.

Tokyo, Japan
Mar 2026

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Energy Storage
$2.0M
raised

Carbon EX is an online platform that connects carbon credit and emissions exchange suppliers with consumers.

Tokyo, Japan
Mar 2025

Founder Contacts

41,000+ verified contacts

Blockchain

Updater is a sustainability platform that offers services in social issues, supplying renewable electricity, supply chain, well being.

Tokyo, Japan
Feb 2026

Founder Contacts

41,000+ verified contacts

$10.7M
raised

DG Capital Group is a firm that develops and manufactures devices to connect renewable energy distribution networks to conventional systems.

Tokyo, Japan
Feb 2024

Founder Contacts

41,000+ verified contacts

Energy
$7.2M
raised

Trende is a renewable energy company that offers smart solar power generation, energy storage, and retail electricity services.

Tokyo, Japan
Mar 2025

Founder Contacts

41,000+ verified contacts

$17.8M
raised

CO2 Recycling Research Institute specializes in research, development, manufacturing, and sales of artificial protein resources.

Tokyo, Japan
May 2024

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Clean Energy

Sustech is a technology company that develops platforms for decarbonization support and distributed power generation services.

Tokyo, Japan
Jan 2024

Founder Contacts

41,000+ verified contacts

Business Development
$640K
raised

Power Diamond Systems is a research and development firm that focuses on diamond semiconductor devices.

Tokyo, Japan
Jan 2025

Founder Contacts

41,000+ verified contacts

Agriculture
$15.9M
raised

Plantx is an agricultural technology company that plans, builds, and supports artificial-light plant factories and cultivation.

Tokyo, Japan
Nov 2023

Founder Contacts

41,000+ verified contacts

$5.2M
raised

Enerbank is a development and operation of electric power auction system.

Tokyo, Japan
Nov 2025

Founder Contacts

41,000+ verified contacts

Charging Infrastructure
$10.7M
raised

SODEN is a technology company that develops and sells electric vehicle chargers and their management software.

Tokyo, Japan
Oct 2025

Founder Contacts

41,000+ verified contacts

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