Company lists · Data refreshed September 2026
Top 22 Renewable energy startups based in Japan
RevenueBase identified 83 company matches for renewable energy startups associated with Japan as of September 2026 and tracks 912 professional contacts across them, including 226 with verified work emails. Jing is the largest hub.
This list covers company matches for renewable energy startups associated with Japan, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 22 largest renewable energy startups based in Japan
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 178 contacts → | ||||
Exact match “Shizen Energy was founded in 2011 by 3 founding members who were determined to "be the change,” three months after Japan experienced the tragic nuclear accident caused by the…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 130 contacts → | ||||
Exact match “RENOVA is an independent renewable energy developer and power producer.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 81 contacts → | ||||
Exact match “Preliminary surveys, planning, design, materials procurement and sales, civil engineering, construction, operation, maintenance and inspection work, and electric power sales…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 67 contacts → | ||||
Exact match “GPSS Holdings Inc is a Tokyo-based renewable energy company which constructs, operates and maintains solar, geothermal, wind, biogas and small-hydroelectric power plants.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 33 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 28 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 28 contacts → | ||||
Exact match “Nozomi Energy, headquartered in Tokyo, is led by a team of executives who have a proven track record in spearheading various renewable energy projects in Japan.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 27 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 23 contacts → | ||||
Exact match “Headquartered in Tokyo, Japan, Tekoma Energy is a privately held renewable power developer specializing in PV solar across Northern Asia.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “As the Japanese retail branch of global solar energy conglomerate, Q CELLS, we provide green energy products to residential and commercial customers.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “Technology startup of offshore renewable energy devices which include offshore floating wind turbine, floating marine current turbine, and wave energy converter.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “BioPower is a Spanish-Japanese renewable energy company whose actions are directed towards the development, construction and operation of photovoltaic solar energy projects.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Clean Energy Connect Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Quantum Group is a company in the renewable energy industry (wind, solar, bioenergy, micro hydraulic) providing project development, financing, Engineering, EPC Contracting and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Sustainability through innovation and entrepreneurship" We create new business through innovations for sustainable economy, energy and environment industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Horizon Energy is a leading renewable energy IPP accelerating Asia's energy transition through the acquisition, development, financing, and optimization of renewable power…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “Renewable energy operations & maintenance” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “renewable energy startups”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 22 of 83 renewable energy startups based in Japan
See the full list, filter by size, metro and specialty, and access 226 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Renewable energy startups based in Japan at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 83 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Japan whose business descriptions match “renewable energy startups” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 226 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “renewable energy startups”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many renewable energy startups are there based in Japan?
RevenueBase identified 83 company matches for renewable energy startups associated with Japan as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Shizen Energy Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most renewable energy startups?
Jing leads with 15 company records, followed by Tokyo (11) and Xian (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 226 professional contacts with verified work emails tracked across these 83 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 83 renewable energy startups based in Japan. Start with a free account, no credit card.
Download this list →Related lists
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Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 22 renewable energy startups based in Japan
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 83 matching company records for renewable energy startups based in Japan, with 912 tracked contacts and 226 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 renewable energy startups based in Japan
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Shizen Energy Groupshizenenergy.netHQ: Chuo Ward, JapanReported employees: 51-200 | Chuo Ward, Japan | 51-200 | Exact match | 178 contacts → |
“Shizen Energy was founded in 2011 by 3 founding members who were determined to "be the change,” three months after Japan experienced the tragic nuclear accident caused by the…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Renova, INCrenovainc.comHQ: Chuo-ku, JapanReported employees: 201-500 | Chuo-ku, Japan | 201-500 | Exact match | 130 contacts → |
“RENOVA is an independent renewable energy developer and power producer.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Eneos Renewable Energy Corporationeneos-re.comHQ: Tokyo, JapanReported employees: 501-1,000 | Tokyo, Japan | 501-1,000 | Exact match | 81 contacts → |
“Preliminary surveys, planning, design, materials procurement and sales, civil engineering, construction, operation, maintenance and inspection work, and electric power sales…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gpss Groupgpss.jpHQ: 港区, JapanReported employees: 201-500 | 港区, Japan | 201-500 | Exact match | 67 contacts → |
“GPSS Holdings Inc is a Tokyo-based renewable energy company which constructs, operates and maintains solar, geothermal, wind, biogas and small-hydroelectric power plants.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Pacifico Energy K.Kpacificoenergy.jpHQ: 港区, JapanReported employees: 51-200 | 港区, Japan | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Bison Energy Groupbisonenergy.netHQ: 中央区, JapanReported employees: 11-50 | 中央区, Japan | 11-50 | Exact match | 30 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | (株)ユーラスエナジーホールディングスeurus-energy.com HQ: 港区, JapanReported employees: 201-500 | 港区, Japan | 201-500 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Nozomi Energynozomi-energy.comHQ: Minato-ku, JapanReported employees: 11-50 | Minato-ku, Japan | 11-50 | Exact match | 28 contacts → |
“Nozomi Energy, headquartered in Tokyo, is led by a team of executives who have a proven track record in spearheading various renewable energy projects in Japan.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | (株)キューデン・インターナショナルkyuden-intl.co.jp HQ: 福岡市 中央区, JapanReported employees: 11-50 | 福岡市 中央区, Japan | 11-50 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Tekoma Energytekoma.energy HQ: Tokyo, JapanReported employees: 11-50 | Tokyo, Japan | 11-50 | Exact match | 23 contacts → |
“Headquartered in Tokyo, Japan, Tekoma Energy is a privately held renewable power developer specializing in PV solar across Northern Asia.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | (株)グリーンパワーインベストメントgreenpower.co.jp HQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Q.Enest Denki Co., LTDqenest-denki.comHQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 8 contacts → |
“As the Japanese retail branch of global solar energy conglomerate, Q CELLS, we provide green energy products to residential and commercial customers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Albatross Technology INCalbatross-technology.comHQ: Chuo-ku, JapanReported employees: 1-10 | Chuo-ku, Japan | 1-10 | Exact match | 8 contacts → |
“Technology startup of offshore renewable energy devices which include offshore floating wind turbine, floating marine current turbine, and wave energy converter.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | スマートソーラー(株)smartsolar.co.jp HQ: 木更津市, JapanReported employees: 51-200 | 木更津市, Japan | 51-200 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Nippon Renewable Energy K.Knipponenergy.co.jpHQ: Tokyo, JapanReported employees: 11-50 | Tokyo, Japan | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  Biopowerbiopower.com.esHQ: Tokio, JapanReported employees: 11-50 | Tokio, Japan | 11-50 | Exact match | 6 contacts → |
“BioPower is a Spanish-Japanese renewable energy company whose actions are directed towards the development, construction and operation of photovoltaic solar energy projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Clean Energy Connectcleanenergyconnect.jpHQ: Chiyoda-ku, JapanReported employees: 11-50 | Chiyoda-ku, Japan | 11-50 | Exact match | 5 contacts → |
“Clean Energy Connect Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Minato-ku, JapanReported employees: 51-200 | Minato-ku, Japan | 51-200 | Exact match | 5 contacts → |
“Quantum Group is a company in the renewable energy industry (wind, solar, bioenergy, micro hydraulic) providing project development, financing, Engineering, EPC Contracting and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Energy & Environment Investmentee-investment.jp HQ: JapanReported employees: 11-50 | Japan | 11-50 | Exact match | 4 contacts → |
“Sustainability through innovation and entrepreneurship" We create new business through innovations for sustainable economy, energy and environment industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Horizon Energyhorizonenergy.co.jp HQ: Tokyo, JapanReported employees: 1-10 | Tokyo, Japan | 1-10 | Exact match | 2 contacts → |
“Horizon Energy is a leading renewable energy IPP accelerating Asia's energy transition through the acquisition, development, financing, and optimization of renewable power…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | エナジー・ソリューションズ(株)energy-itsol.com HQ: 千代田区, JapanReported employees: 11-50 | 千代田区, Japan | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Powerguard Co., LTDpower-guard.jp HQ: Fukuoka, JapanReported employees: 11-50 | Fukuoka, Japan | 11-50 | Exact match | 1 contacts → |
“Renewable energy operations & maintenance” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 83 company matches
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Renewable energy startups: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
80 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 83 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for renewable energy startups?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many renewable energy startups did RevenueBase find based in Japan?
The saved snapshot records 83 matching company records, 912 tracked contacts and 226 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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- Renewable energy startups based in Brisbane, Australia
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- Renewable energy startups based in Curitiba, Brazil
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Browse the directory
Cite this list
RevenueBase Data Team. Top 22 renewable energy startups based in Japan. Snapshot: September 16, 2026. https://revenuebase.ai/companies/renewable-energy-startups/japan.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Renewable energy startups based in Brisbane, Australia
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- Renewable energy startups based in Sydney, Australia
- Renewable energy startups based in Belo Horizonte, Brazil
- Renewable energy startups based in Curitiba, Brazil
Company intelligence · public preview
Top 22 renewable energy startups based in Japan
RevenueBase records 83 matching company records for renewable energy startups based in Japan, with 912 tracked contacts and 226 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 renewable energy startups based in Japan
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Shizen Energy Groupshizenenergy.net HQ: Chuo Ward, JapanReported employees: 51-200 | Chuo Ward, Japan | 51-200 | Exact match | 178 contacts → |
“Shizen Energy was founded in 2011 by 3 founding members who were determined to "be the change,” three months after Japan experienced the tragic nuclear accident caused by the…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Renova, INCrenovainc.com HQ: Chuo-ku, JapanReported employees: 201-500 | Chuo-ku, Japan | 201-500 | Exact match | 130 contacts → |
“RENOVA is an independent renewable energy developer and power producer.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Eneos Renewable Energy Corporationeneos-re.com HQ: Tokyo, JapanReported employees: 501-1,000 | Tokyo, Japan | 501-1,000 | Exact match | 81 contacts → |
“Preliminary surveys, planning, design, materials procurement and sales, civil engineering, construction, operation, maintenance and inspection work, and electric power sales…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gpss Groupgpss.jp HQ: 港区, JapanReported employees: 201-500 | 港区, Japan | 201-500 | Exact match | 67 contacts → |
“GPSS Holdings Inc is a Tokyo-based renewable energy company which constructs, operates and maintains solar, geothermal, wind, biogas and small-hydroelectric power plants.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pacifico Energy K.Kpacificoenergy.jp HQ: 港区, JapanReported employees: 51-200 | 港区, Japan | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Bison Energy Groupbisonenergy.net HQ: 中央区, JapanReported employees: 11-50 | 中央区, Japan | 11-50 | Exact match | 30 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | (株)ユーラスエナジーホールディングスeurus-energy.com HQ: 港区, JapanReported employees: 201-500 | 港区, Japan | 201-500 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Nozomi Energynozomi-energy.com HQ: Minato-ku, JapanReported employees: 11-50 | Minato-ku, Japan | 11-50 | Exact match | 28 contacts → |
“Nozomi Energy, headquartered in Tokyo, is led by a team of executives who have a proven track record in spearheading various renewable energy projects in Japan.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | (株)キューデン・インターナショナルkyuden-intl.co.jp HQ: 福岡市 中央区, JapanReported employees: 11-50 | 福岡市 中央区, Japan | 11-50 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Tekoma Energytekoma.energy HQ: Tokyo, JapanReported employees: 11-50 | Tokyo, Japan | 11-50 | Exact match | 23 contacts → |
“Headquartered in Tokyo, Japan, Tekoma Energy is a privately held renewable power developer specializing in PV solar across Northern Asia.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | (株)グリーンパワーインベストメントgreenpower.co.jp HQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Q.Enest Denki Co., LTDqenest-denki.com HQ: 港区, JapanReported employees: 11-50 | 港区, Japan | 11-50 | Exact match | 8 contacts → |
“As the Japanese retail branch of global solar energy conglomerate, Q CELLS, we provide green energy products to residential and commercial customers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Albatross Technology INCalbatross-technology.com HQ: Chuo-ku, JapanReported employees: 1-10 | Chuo-ku, Japan | 1-10 | Exact match | 8 contacts → |
“Technology startup of offshore renewable energy devices which include offshore floating wind turbine, floating marine current turbine, and wave energy converter.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | スマートソーラー(株)smartsolar.co.jp HQ: 木更津市, JapanReported employees: 51-200 | 木更津市, Japan | 51-200 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Nippon Renewable Energy K.Knipponenergy.co.jp HQ: Tokyo, JapanReported employees: 11-50 | Tokyo, Japan | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Biopowerbiopower.com.es HQ: Tokio, JapanReported employees: 11-50 | Tokio, Japan | 11-50 | Exact match | 6 contacts → |
“BioPower is a Spanish-Japanese renewable energy company whose actions are directed towards the development, construction and operation of photovoltaic solar energy projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Clean Energy Connectcleanenergyconnect.jp HQ: Chiyoda-ku, JapanReported employees: 11-50 | Chiyoda-ku, Japan | 11-50 | Exact match | 5 contacts → |
“Clean Energy Connect Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Minato-ku, JapanReported employees: 51-200 | Minato-ku, Japan | 51-200 | Exact match | 5 contacts → |
“Quantum Group is a company in the renewable energy industry (wind, solar, bioenergy, micro hydraulic) providing project development, financing, Engineering, EPC Contracting and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Energy & Environment Investmentee-investment.jp HQ: JapanReported employees: 11-50 | Japan | 11-50 | Exact match | 4 contacts → |
“Sustainability through innovation and entrepreneurship" We create new business through innovations for sustainable economy, energy and environment industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Horizon Energyhorizonenergy.co.jp HQ: Tokyo, JapanReported employees: 1-10 | Tokyo, Japan | 1-10 | Exact match | 2 contacts → |
“Horizon Energy is a leading renewable energy IPP accelerating Asia's energy transition through the acquisition, development, financing, and optimization of renewable power…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | エナジー・ソリューションズ(株)energy-itsol.com HQ: 千代田区, JapanReported employees: 11-50 | 千代田区, Japan | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Powerguard Co., LTDpower-guard.jp HQ: Fukuoka, JapanReported employees: 11-50 | Fukuoka, Japan | 11-50 | Exact match | 1 contacts → |
“Renewable energy operations & maintenance” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 83 company matches
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Renewable energy startups: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
80 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 83 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for renewable energy startups?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many renewable energy startups did RevenueBase find based in Japan?
The saved snapshot records 83 matching company records, 912 tracked contacts and 226 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 22 renewable energy startups based in Japan. Snapshot: September 16, 2026. https://revenuebase.ai/companies/renewable-energy-startups/japan.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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