Organization · Venture Capital
Japan Energy Fund
Japan Energy Fund is a Tokyo-based venture capital firm established in 2019, focusing on investments in climate technology startups that can scale in Japan. It is the only fund in Japan dedicated solely to climate tech.
Overview
What Japan Energy Fund does
What Japan Energy Fund is
Japan Energy Fund is a Tokyo-based venture capital firm established in 2019, focusing on investments in climate technology startups that can scale in Japan. It is the only fund in Japan dedicated solely to climate tech.
How it participates in the startup ecosystem
The current public profile supports funder and event host capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Founded
- Founded in 2019
- Approximate age
- About 7 years
- Structured capabilities
- Funder · Event host
- Last reviewed
- May 1, 2026
Official channels
Find Japan Energy Fund elsewhere
Open the official website or a supported primary organization account.
Capability profile
Japan Energy Fund as a funder
Investment thesis
Japan Energy Fund backs climate technologies that can materially decarbonize Japan and benefit from Japanese LP/corporate partnerships, primarily targeting European and North American startups.
Focus narrative
Japan Energy Fund invests in various climate tech sectors, including battery technology, smart meter data analysis, offshore wind technology, Virtual Power Plants (VPP), and Demand Response (DR). The fund primarily targets growth-stage companies with revenues exceeding $1 million or those at Series B and beyond, while also considering early-stage startups with significant potential.
Value beyond capital
Japan Energy Fund provides strategic support to portfolio companies, helping them navigate the Japanese market and connect with local corporate partners. The fund conducts due diligence alongside lead and co-investors, ensuring that startups are well-positioned for growth and market entry.
Terms and economics
- Typical check
- $1,000,000–$3,000,000
- Sweet spot
- $2,000,000
Focus and fit
- Stages
- Growth Equity · Series B · Series B+ · Seed · Seed+
- Sectors
- Climate · Energy · Renewable Energy · Carbon Capture · Energy Storage
- Regions
- Global · Asia · North America · Europe
Availability
- Currently deploying
- Yes
Portfolio and track record
Portfolio context
Notable portfolio companies include: Ambria: Develops long-duration liquid battery technology for renewable energy applications. Sense: Provides home monitoring technology that analyzes power consumption and encourages energy-saving behaviors. Leap: Offers a platform for Distributed Energy Resources (DER) to participate in energy markets. Akselos: Develops engineering simulation technology and digital twins for energy infrastructure. ZincFive: Focuses on nickel-zinc battery technology for energy storage solutions. WiTricity: Specializes in wireless charging technology for electric vehicles. Svante: Provides carbon capture technology for hard-to-abate industries. GHGSat: A leader in greenhouse gas emissions monitoring.
Capability profile
Japan Energy Fund as an event host
Event focus
Japan Energy Fund focuses on investing in climate technology solutions that can scale within the Japanese market. The fund targets growth-stage companies with revenues exceeding $1 million or those at Series B and beyond, while also considering early-stage startups with significant potential.
Format narrative
The Japan Energy Fund Summit will gather global climate-tech innovators and Japanese corporate leaders to discuss decarbonization technologies and foster networking opportunities.
Participant value
Attendees will gain insights into the latest decarbonization technologies and have opportunities to network with industry leaders and innovators in the climate tech space.
Format and cadence
- Event types
- summit
- Recurrence
- annual
- Modality
- in-person
- Startups can present
- No
Availability
- Registration state
- Not currently accepting
- Next recorded event
- November 13, 2025
- Next event location
- Tokyo
Audience and fit
- Selection criteria
- open
- Stages
- Growth Equity · Series B
- Audience
- Founders · Investors · Corporate Innovators
- Sectors
- Climate · Renewable Energy · Energy Storage
- Regions
- Asia
Common questions
What to know about Japan Energy Fund
Upseed classifies Japan Energy Fund under the Venture Capital organization type. Its current public profile includes funder and event host capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
May 1, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.