Company lists · Data refreshed October 2026
Top 25 Ocean thermal energy conversion firms worldwide
RevenueBase identified 193 company matches for ocean thermal energy conversion firms worldwide as of October 2026 and tracks 1,573 professional contacts across them, including 524 with verified work emails. The United States is the largest market and Edinburgh the largest hub.
This list covers company matches for ocean thermal energy conversion firms worldwide, 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 October 19, 2026. Country and city lists for ocean thermal energy conversion firms follow the table.
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 25 largest ocean thermal energy conversion firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 122 contacts → | ||||
Exact match “The open ocean is Earth’s largest and most power-dense renewable energy resource.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 111 contacts → | ||||
Exact match “CorPower Ocean designs, manufactures and operates wave energy farms for our customers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 59 contacts → | ||||
Exact match “Sweetch Energy is a renewable energy company pioneering osmotic power, turning the natural salinity of water into clean, 24/7, and cost-efficient electricity.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 43 contacts → | ||||
Exact match “Minesto is a leading ocean energy technology company on a mission to minimise the global carbon footprint of the energy industry by enabling commercial power production from the…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 40 contacts → | ||||
Exact match “Ocergy is an innovative company focusing on the development of complex ocean systems solving energy and environmental challenges in a sustainable manner.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 35 contacts → | ||||
Exact match “Nova are specialists in floating solar EPC and consultancy.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 27 contacts → | ||||
Exact match “Carnegie Clean Energy Limited is an Australian, ASX-listed (ASX: CCE) wave energy technology developer.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 27 contacts → | ||||
Exact match “Eco Wave Power (Nasdaq Stock Symbol: WAVE) is an advanced and innovative international wave power developer, headquartered in Israel.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “C-Power™ is an ocean power company, tapping the world’s largest battery, our oceans, to supply cost-effective, dependable, and predictable energy generation systems for our…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 22 contacts → | ||||
Exact match “Proteus is an innovative, cutting-edge marine energy business.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “IST specializes in design, manufacture and installation of Once Through Steam Generators (OTSGs) for Power Generation and Enhanced Oil Recovery (EOR) Applications.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 19 contacts → | ||||
Exact match “Mocean Energy designs and delivers ocean energy technology to provide clean, carbon-free, renewable power.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 19 contacts → | ||||
Exact match “Wavepiston is a revolutionary technology that harnesses wave energy to produce clean electricity and desalinated water.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 18 contacts → | ||||
Exact match “FSubsea is a Norwegian ocean technology company focused on climate-smart subsea desalination systems, as well as robust subsea pumping systems for a variety of energy and green…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 14 contacts → | ||||
Exact match “Founded in Bordeaux, France, in 2015, SEATURNS has developed an innovative, and cost-effective wave energy solution to meet the urgent global demand for sustainable and renewable…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “Agnes SpA is an innovative company, located in Ravenna (Italy) and Palo Alto (California), that is developing offhsore green energy hubs, with 3 GW in its portfolio.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “Wedge Global is an innovative technology and services provider for the marine energy market.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match “Safeguarding our beautiful planet for future generations and pushing boundaries of technology are at the core of our business.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “OceanWell is a California-based water technology company on a mission to help end the water crisis and adapt to climate change.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “Saving the Climate with Profitable and Stable Ocean Energy One solution, two global crises.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 13 contacts → | ||||
Exact match “Ocean Thermal Energy (OTE) Corporation is a leader in designing and developing secure ocean-based power plants.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 12 contacts → | ||||
Exact match “We utilize the power of waves to deliver desalinated water to shore where needed in a flexible, efficient way and without emissions, through putting Norway’s unique offshore…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 12 contacts → | ||||
Exact match “LPS addresses the problems of cost, environmental impact, and regulatory complexity in hydropower and ocean energy.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 12 contacts → | ||||
Exact match “Magallanes Renovables is a leader tidal energy company focused on generating clean and 100% predictable energy from tidal currents.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “Founded in 2012, Bombora is an award-winning ocean energy company from Australia with operational headquarters in Pembrokeshire, Wales.” Recorded in the RevenueBase company graph · Oct 19, 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 “ocean thermal energy conversion firms”. 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 25 of 193 ocean thermal energy conversion firms worldwide
See the full list, filter by size, metro and specialty, and access 524 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ocean thermal energy conversion firms worldwide at a glance
As of Oct 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for ocean thermal energy conversion firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “ocean thermal energy conversion firms” 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. 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 524 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 October 19, 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.
Ocean thermal energy conversion firms by location
1 lists · largest firstEvery Ocean thermal energy conversion firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “ocean thermal energy conversion firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ocean thermal energy conversion firms are there worldwide?
RevenueBase identified 193 company matches for ocean thermal energy conversion firms worldwide as of October 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?
Panthalassa tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most ocean thermal energy conversion firms?
The United States leads with 47 companies. Every ocean thermal energy conversion firms list by country and city is linked on this page.
Which city has the most ocean thermal energy conversion firms?
Edinburgh leads with 7 company records, followed by London (3) and New York (3).
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 524 professional contacts with verified work emails tracked across these 193 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 October 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 193 ocean thermal energy conversion firms worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 ocean thermal energy conversion firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 193 matching company records for ocean thermal energy conversion firms worldwide, with 1,573 tracked contacts and 524 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 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 25 ocean thermal energy conversion firms worldwide
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 | Panthalassapanthalassa.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 122 contacts → |
“The open ocean is Earth’s largest and most power-dense renewable energy resource.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Corpower Oceancorpowerocean.com HQ: Hägersten, SwedenReported employees: 51-200 | Hägersten, Sweden | 51-200 | Exact match | 111 contacts → |
“CorPower Ocean designs, manufactures and operates wave energy farms for our customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sweetch Energysweetch.energyHQ: Rennes, FranceReported employees: 51-200 | Rennes, France | 51-200 | Exact match | 59 contacts → |
“Sweetch Energy is a renewable energy company pioneering osmotic power, turning the natural salinity of water into clean, 24/7, and cost-efficient electricity.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Minestominesto.comHQ: Vastra Frolunda, SwedenReported employees: 51-200 | Vastra Frolunda, Sweden | 51-200 | Exact match | 43 contacts → |
“Minesto is a leading ocean energy technology company on a mission to minimise the global carbon footprint of the energy industry by enabling commercial power production from the…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ocergyocergy.com HQ: Oakland, CA, United StatesReported employees: 11-50 | Oakland, CA, United States | 11-50 | Exact match | 40 contacts → |
“Ocergy is an innovative company focusing on the development of complex ocean systems solving energy and environmental challenges in a sustainable manner.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Nova Innovationnovainnovation.comHQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Nova are specialists in floating solar EPC and consultancy.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Carnegie Clean Energycarnegiece.com HQ: North Fremantle, AustraliaReported employees: 11-50 | North Fremantle, Australia | 11-50 | Exact match | 27 contacts → |
“Carnegie Clean Energy Limited is an Australian, ASX-listed (ASX: CCE) wave energy technology developer.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ECO Wave Powerecowavepower.com HQ: Tel Aviv, IsraelReported employees: 11-50 | Tel Aviv, Israel | 11-50 | Exact match | 27 contacts → |
“Eco Wave Power (Nasdaq Stock Symbol: WAVE) is an advanced and innovative international wave power developer, headquartered in Israel.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  C-Powercpower.coHQ: Charlottesville, VA, United StatesReported employees: 11-50 | Charlottesville, VA, United States | 11-50 | Exact match | 24 contacts → |
“C-Power™ is an ocean power company, tapping the world’s largest battery, our oceans, to supply cost-effective, dependable, and predictable energy generation systems for our…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Proteus Marine Renewablesproteusmr.comHQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Proteus is an innovative, cutting-edge marine energy business.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Innovative Steam Technologiesotsg.com HQ: Cambridge, ON, CanadaReported employees: 51-200 | Cambridge, ON, Canada | 51-200 | Exact match | 20 contacts → |
“IST specializes in design, manufacture and installation of Once Through Steam Generators (OTSGs) for Power Generation and Enhanced Oil Recovery (EOR) Applications.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Mocean Energymocean.energyHQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Mocean Energy designs and delivers ocean energy technology to provide clean, carbon-free, renewable power.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wavepistonwavepiston.dk HQ: Helsingør, DenmarkReported employees: 11-50 | Helsingør, Denmark | 11-50 | Exact match | 19 contacts → |
“Wavepiston is a revolutionary technology that harnesses wave energy to produce clean electricity and desalinated water.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Fsubseafsubsea.comHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 18 contacts → |
“FSubsea is a Norwegian ocean technology company focused on climate-smart subsea desalination systems, as well as robust subsea pumping systems for a variety of energy and green…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Seaturnsseaturns.com HQ: Bordeaux, FranceReported employees: 1-10 | Bordeaux, France | 1-10 | Exact match | 14 contacts → |
“Founded in Bordeaux, France, in 2015, SEATURNS has developed an innovative, and cost-effective wave energy solution to meet the urgent global demand for sustainable and renewable…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  AGNESagnespower.comHQ: Ravenna, United StatesReported employees: 11-50 | Ravenna, United States | 11-50 | Exact match | 14 contacts → |
“Agnes SpA is an innovative company, located in Ravenna (Italy) and Palo Alto (California), that is developing offhsore green energy hubs, with 3 GW in its portfolio.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wedge Globalwedgeglobal.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 14 contacts → |
“Wedge Global is an innovative technology and services provider for the marine energy market.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | WECOwecoenergy.com HQ: The Hague, NetherlandsReported employees: 1-10 | The Hague, Netherlands | 1-10 | Exact match | 13 contacts → |
“Safeguarding our beautiful planet for future generations and pushing boundaries of technology are at the core of our business.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Oceanwelloceanwellwater.comHQ: Menlo Park, CA, United StatesReported employees: 1-10 | Menlo Park, CA, United States | 1-10 | Exact match | 13 contacts → |
“OceanWell is a California-based water technology company on a mission to help end the water crisis and adapt to climate change.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Noviocean ABnoviocean.energy HQ: Stockholm, SwedenReported employees: 1-10 | Stockholm, Sweden | 1-10 | Exact match | 13 contacts → |
“Saving the Climate with Profitable and Stable Ocean Energy One solution, two global crises.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ocean Thermal Energy Corporationotecorporation.comHQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 13 contacts → |
“Ocean Thermal Energy (OTE) Corporation is a leader in designing and developing secure ocean-based power plants.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ocean Oasisoceanoasis.co HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 12 contacts → |
“We utilize the power of waves to deliver desalinated water to shore where needed in a flexible, efficient way and without emissions, through putting Norway’s unique offshore…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Littoral Power Systems, INClittoralpower.comHQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 12 contacts → |
“LPS addresses the problems of cost, environmental impact, and regulatory complexity in hydropower and ocean energy.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Magallanes Renovablesmagallanesrenovables.com HQ: Redondela, SpainReported employees: 11-50 | Redondela, Spain | 11-50 | Exact match | 12 contacts → |
“Magallanes Renovables is a leader tidal energy company focused on generating clean and 100% predictable energy from tidal currents.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Bomborabomborawave.comHQ: Pembroke Dock, United KingdomReported employees: 11-50 | Pembroke Dock, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Founded in 2012, Bombora is an award-winning ocean energy company from Australia with operational headquarters in Pembrokeshire, Wales.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 193 company matches
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Ocean thermal energy conversion firms: dataset insights
October 19, 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
193 records in the displayed employee bands.
0 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 193 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: October 19, 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 ↗
Ocean thermal energy conversion firms by location
1 lists · largest firstEvery Ocean thermal energy conversion firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for ocean thermal energy conversion firms?
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 ocean thermal energy conversion firms did RevenueBase find worldwide?
The saved snapshot records 193 matching company records, 1,573 tracked contacts and 524 verified emails. The public preview displays 25 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: October 19, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 ocean thermal energy conversion firms worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/ocean-thermal-energy-conversion-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 ocean thermal energy conversion firms worldwide
RevenueBase records 193 matching company records for ocean thermal energy conversion firms worldwide, with 1,573 tracked contacts and 524 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 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 25 ocean thermal energy conversion firms worldwide
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 | Panthalassapanthalassa.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 122 contacts → |
“The open ocean is Earth’s largest and most power-dense renewable energy resource.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Corpower Oceancorpowerocean.com HQ: Hägersten, SwedenReported employees: 51-200 | Hägersten, Sweden | 51-200 | Exact match | 111 contacts → |
“CorPower Ocean designs, manufactures and operates wave energy farms for our customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sweetch Energysweetch.energy HQ: Rennes, FranceReported employees: 51-200 | Rennes, France | 51-200 | Exact match | 59 contacts → |
“Sweetch Energy is a renewable energy company pioneering osmotic power, turning the natural salinity of water into clean, 24/7, and cost-efficient electricity.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Minestominesto.com HQ: Vastra Frolunda, SwedenReported employees: 51-200 | Vastra Frolunda, Sweden | 51-200 | Exact match | 43 contacts → |
“Minesto is a leading ocean energy technology company on a mission to minimise the global carbon footprint of the energy industry by enabling commercial power production from the…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ocergyocergy.com HQ: Oakland, CA, United StatesReported employees: 11-50 | Oakland, CA, United States | 11-50 | Exact match | 40 contacts → |
“Ocergy is an innovative company focusing on the development of complex ocean systems solving energy and environmental challenges in a sustainable manner.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Nova Innovationnovainnovation.com HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 35 contacts → |
“Nova are specialists in floating solar EPC and consultancy.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Carnegie Clean Energycarnegiece.com HQ: North Fremantle, AustraliaReported employees: 11-50 | North Fremantle, Australia | 11-50 | Exact match | 27 contacts → |
“Carnegie Clean Energy Limited is an Australian, ASX-listed (ASX: CCE) wave energy technology developer.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ECO Wave Powerecowavepower.com HQ: Tel Aviv, IsraelReported employees: 11-50 | Tel Aviv, Israel | 11-50 | Exact match | 27 contacts → |
“Eco Wave Power (Nasdaq Stock Symbol: WAVE) is an advanced and innovative international wave power developer, headquartered in Israel.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | C-Powercpower.co HQ: Charlottesville, VA, United StatesReported employees: 11-50 | Charlottesville, VA, United States | 11-50 | Exact match | 24 contacts → |
“C-Power™ is an ocean power company, tapping the world’s largest battery, our oceans, to supply cost-effective, dependable, and predictable energy generation systems for our…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Proteus Marine Renewablesproteusmr.com HQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Proteus is an innovative, cutting-edge marine energy business.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Innovative Steam Technologiesotsg.com HQ: Cambridge, ON, CanadaReported employees: 51-200 | Cambridge, ON, Canada | 51-200 | Exact match | 20 contacts → |
“IST specializes in design, manufacture and installation of Once Through Steam Generators (OTSGs) for Power Generation and Enhanced Oil Recovery (EOR) Applications.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mocean Energymocean.energy HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Mocean Energy designs and delivers ocean energy technology to provide clean, carbon-free, renewable power.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Wavepistonwavepiston.dk HQ: Helsingør, DenmarkReported employees: 11-50 | Helsingør, Denmark | 11-50 | Exact match | 19 contacts → |
“Wavepiston is a revolutionary technology that harnesses wave energy to produce clean electricity and desalinated water.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fsubseafsubsea.com HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 18 contacts → |
“FSubsea is a Norwegian ocean technology company focused on climate-smart subsea desalination systems, as well as robust subsea pumping systems for a variety of energy and green…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Seaturnsseaturns.com HQ: Bordeaux, FranceReported employees: 1-10 | Bordeaux, France | 1-10 | Exact match | 14 contacts → |
“Founded in Bordeaux, France, in 2015, SEATURNS has developed an innovative, and cost-effective wave energy solution to meet the urgent global demand for sustainable and renewable…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | AGNESagnespower.com HQ: Ravenna, United StatesReported employees: 11-50 | Ravenna, United States | 11-50 | Exact match | 14 contacts → |
“Agnes SpA is an innovative company, located in Ravenna (Italy) and Palo Alto (California), that is developing offhsore green energy hubs, with 3 GW in its portfolio.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wedge Globalwedgeglobal.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 14 contacts → |
“Wedge Global is an innovative technology and services provider for the marine energy market.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | WECOwecoenergy.com HQ: The Hague, NetherlandsReported employees: 1-10 | The Hague, Netherlands | 1-10 | Exact match | 13 contacts → |
“Safeguarding our beautiful planet for future generations and pushing boundaries of technology are at the core of our business.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Oceanwelloceanwellwater.com HQ: Menlo Park, CA, United StatesReported employees: 1-10 | Menlo Park, CA, United States | 1-10 | Exact match | 13 contacts → |
“OceanWell is a California-based water technology company on a mission to help end the water crisis and adapt to climate change.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Noviocean ABnoviocean.energy HQ: Stockholm, SwedenReported employees: 1-10 | Stockholm, Sweden | 1-10 | Exact match | 13 contacts → |
“Saving the Climate with Profitable and Stable Ocean Energy One solution, two global crises.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ocean Thermal Energy Corporationotecorporation.com HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 13 contacts → |
“Ocean Thermal Energy (OTE) Corporation is a leader in designing and developing secure ocean-based power plants.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Ocean Oasisoceanoasis.co HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 12 contacts → |
“We utilize the power of waves to deliver desalinated water to shore where needed in a flexible, efficient way and without emissions, through putting Norway’s unique offshore…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Littoral Power Systems, INClittoralpower.com HQ: New Bedford, MA, United StatesReported employees: 11-50 | New Bedford, MA, United States | 11-50 | Exact match | 12 contacts → |
“LPS addresses the problems of cost, environmental impact, and regulatory complexity in hydropower and ocean energy.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Magallanes Renovablesmagallanesrenovables.com HQ: Redondela, SpainReported employees: 11-50 | Redondela, Spain | 11-50 | Exact match | 12 contacts → |
“Magallanes Renovables is a leader tidal energy company focused on generating clean and 100% predictable energy from tidal currents.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Bomborabomborawave.com HQ: Pembroke Dock, United KingdomReported employees: 11-50 | Pembroke Dock, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Founded in 2012, Bombora is an award-winning ocean energy company from Australia with operational headquarters in Pembrokeshire, Wales.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 193 company matches
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Ocean thermal energy conversion firms: dataset insights
October 19, 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
193 records in the displayed employee bands.
0 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 193 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: October 19, 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 ↗
Ocean thermal energy conversion firms by location
1 lists · largest firstEvery Ocean thermal energy conversion firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for ocean thermal energy conversion firms?
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 ocean thermal energy conversion firms did RevenueBase find worldwide?
The saved snapshot records 193 matching company records, 1,573 tracked contacts and 524 verified emails. The public preview displays 25 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: October 19, 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 25 ocean thermal energy conversion firms worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/ocean-thermal-energy-conversion-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗