Company lists · Data refreshed September 2026
Top 25 Solar energy storage companies based in Finland
RevenueBase identified 76 company matches for solar energy storage companies associated with Finland as of September 2026 and tracks 2,007 professional contacts across them, including 908 with verified work emails. Helsinki is the largest hub.
This list covers company matches for solar energy storage companies associated with Finland, 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 25 largest solar energy storage companies based in Finland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 940 contacts → | ||||
Exact match “Wärtsilä leads the transition towards a 100% renewable energy future.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 119 contacts → | ||||
Exact match “Founded in 1975 in Finland, Efore Telecom Finland Oy has grown from a six-person engineering office into a global energy solutions provider with five decades of expertise.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 114 contacts → | ||||
Exact match “Merus Power is a technology company headquartered in the city of Ylöjärvi, Finland where we design and manufacture innovative Finnish battery energy storage systems and power…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 63 contacts → | ||||
Exact match “Virta päällä vihreässä siirtymässä.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 62 contacts → | ||||
Exact match “Cactos develops distributed energy storage systems based on batteries.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 48 contacts → | ||||
Exact match “Korkia is a global investor and developer accelerating the transition to renewable energy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 37 contacts → | ||||
Exact match “NEPower delivers electrification solutions for the industrial, grid and renewable energy sectors.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 28 contacts → | ||||
Exact match “At 1KOMMA5° Suomi (formerly Solar Age Oy), we believe in making it easy for people to access solar power solutions for their homes, businesses, and farms.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 22 contacts → | ||||
Exact match “Enico offers wide-ranging production, manufacturing and project services in the field of renewable energy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “Tarjoamme sähköisen talotekniikan palveluja: suunnittelua ja asennusta.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 19 contacts → | ||||
Exact match “Olemme kotimainen toimija ja kokenut aurinkoenergian asiantuntija.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “With its power-to-heat thermal energy storage innovation - and as a one of the front runners in the world in this sector - Elstor Oy transforms steam and heat production to zero…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 17 contacts → | ||||
Exact match “Solarvoima makes Solar Energy available for home owners, businesses, schools, non-profits and government organizations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “Ampner Oy – Power Engineering & DC Power Solutions for a Renewable Future Ampner is a Finnish technology company specialized in connecting renewable energy, energy storage systems…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “Comsel System is a product design and development company specialized in development and industrialization engineering for the energy sector.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 11 contacts → | ||||
Exact match “Olana is an energy storage company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Kotisol Oy toimittaa aurinkosähköjärjestelmät pientaloihin, maatiloille, yrityskiinteistöihin ja taloyhtiöille.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Nordic Nano is developing the next generation of solar, storage and hydrogen technologies, all of which are based on advanced nanocarbon materials.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “The Heliostorage solution captures and stores energy from the summer sun to maximize heat pump efficiency regardless of time of year, producing the required volume of thermal…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 7 contacts → | ||||
Exact match “TheStorage is a Finnish climate-tech company developing scalable, sand-based thermal energy storage systems.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “Will & Must is a Helsinki-based developer of energy and infrastructure projects, founded in 2022.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “Ralos Oy provides the most intelligent and efficient solar power plants for homes, industries and utilities.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “Halide Energy manufactures cost-effective, high performing, and sustainable copper flow batteries to enable grid-scale and industrial adopters to overcome their long duration…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “Fastest urban BESS deployment with maximum return on investment for the customer At GreenGen, we provide full-service Battery Energy Storage System (BESS) solutions designed for…” 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 “solar energy storage companies”. 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 76 solar energy storage companies based in Finland
See the full list, filter by size, metro and specialty, and access 908 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Solar energy storage companies based in Finland at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Finland, so it is reported there. Company counts and contact totals on this page are exact for Finland, over 76 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 Finland whose business descriptions match “solar energy storage companies” 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 908 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 “solar energy storage companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many solar energy storage companies are there based in Finland?
RevenueBase identified 76 company matches for solar energy storage companies associated with Finland 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?
Wärtsilä Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most solar energy storage companies?
Helsinki leads with 16 company records, followed by Espoo (7) and Tampere (6).
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 908 professional contacts with verified work emails tracked across these 76 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 76 solar energy storage companies based in Finland. Start with a free account, no credit card.
Download this list →Related lists
Solar energy storage companies by geography
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- Solar energy storage companies based in Melbourne, Australia
- Solar energy storage companies based in Perth, Australia
- Solar energy storage companies based in Sydney, Australia
- Solar energy storage companies based in Belo Horizonte, Brazil
- Solar energy storage companies based in Fortaleza, Brazil
- Solar energy storage companies based in Rio De Janeiro, Brazil
- Solar energy storage companies based in Sao Paulo, Brazil
- Solar energy storage companies based in Berlin, Germany
- Solar energy storage companies based in Hamburg, Germany
- Solar energy storage companies based in Munich, Germany
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Solar energy storage companies based in Adelaide, Australia
- Solar energy storage companies based in Brisbane, Australia
- Solar energy storage companies based in Melbourne, Australia
- Solar energy storage companies based in Perth, Australia
- Solar energy storage companies based in Sydney, Australia
- Solar energy storage companies based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 solar energy storage companies based in Finland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 76 matching company records for solar energy storage companies based in Finland, with 2,007 tracked contacts and 908 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: 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 25 solar energy storage companies based in Finland
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 |  Wärtsilä Energywartsila.comHQ: Helsinki, FinlandReported employees: 10001+ | Helsinki, Finland | 10001+ | Exact match | 940 contacts → |
“Wärtsilä leads the transition towards a 100% renewable energy future.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  EFOREefore.comHQ: Espoo, FinlandReported employees: 51-200 | Espoo, Finland | 51-200 | Exact match | 119 contacts → |
“Founded in 1975 in Finland, Efore Telecom Finland Oy has grown from a six-person engineering office into a global energy solutions provider with five decades of expertise.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Merus Powermeruspower.comHQ: Ylöjärvi, FinlandReported employees: 51-200 | Ylöjärvi, Finland | 51-200 | Exact match | 114 contacts → |
“Merus Power is a technology company headquartered in the city of Ylöjärvi, Finland where we design and manufacture innovative Finnish battery energy storage systems and power…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Lehto Group OYJlehto.fiHQ: Kempele, FinlandReported employees: 11-50 | Kempele, Finland | 11-50 | Exact match | 63 contacts → |
“Virta päällä vihreässä siirtymässä.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cactoscactos.comHQ: Kempele, FinlandReported employees: 51-200 | Kempele, Finland | 51-200 | Exact match | 62 contacts → |
“Cactos develops distributed energy storage systems based on batteries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Korkiakorkia.fiHQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 48 contacts → |
“Korkia is a global investor and developer accelerating the transition to renewable energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Nepowernepower.fiHQ: Vaasa, FinlandReported employees: 51-200 | Vaasa, Finland | 51-200 | Exact match | 37 contacts → |
“NEPower delivers electrification solutions for the industrial, grid and renewable energy sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  1komma5 Suomi1komma5.fiHQ: Espoo, FinlandReported employees: 11-50 | Espoo, Finland | 11-50 | Exact match | 28 contacts → |
“At 1KOMMA5° Suomi (formerly Solar Age Oy), we believe in making it easy for people to access solar power solutions for their homes, businesses, and farms.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Enico OYenico.fiHQ: Tampere, FinlandReported employees: 1-10 | Tampere, Finland | 1-10 | Exact match | 22 contacts → |
“Enico offers wide-ranging production, manufacturing and project services in the field of renewable energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Terawatt OYterawatt.fiHQ: Vantaa, FinlandReported employees: 51-200 | Vantaa, Finland | 51-200 | Exact match | 19 contacts → |
“Tarjoamme sähköisen talotekniikan palveluja: suunnittelua ja asennusta.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Oomi Solaroomisolar.fiHQ: Vantaa, FinlandReported employees: 11-50 | Vantaa, Finland | 11-50 | Exact match | 19 contacts → |
“Olemme kotimainen toimija ja kokenut aurinkoenergian asiantuntija.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Elstor OYelstor.fiHQ: Lappeenranta, FinlandReported employees: 11-50 | Lappeenranta, Finland | 11-50 | Exact match | 17 contacts → |
“With its power-to-heat thermal energy storage innovation - and as a one of the front runners in the world in this sector - Elstor Oy transforms steam and heat production to zero…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Solarvoimasolarvoima.fiHQ: Espoo, FinlandReported employees: 11-50 | Espoo, Finland | 11-50 | Exact match | 17 contacts → |
“Solarvoima makes Solar Energy available for home owners, businesses, schools, non-profits and government organizations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ampner OYampner.comHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 16 contacts → |
“Ampner Oy – Power Engineering & DC Power Solutions for a Renewable Future Ampner is a Finnish technology company specialized in connecting renewable energy, energy storage systems…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Comsel System LTDcomselsystem.comHQ: Vasa, FinlandReported employees: 11-50 | Vasa, Finland | 11-50 | Exact match | 12 contacts → |
“Comsel System is a product design and development company specialized in development and industrialization engineering for the energy sector.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Olana Energyolana.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 11 contacts → |
“Olana is an energy storage company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  At Aurinkopaneelit OYataurinkopaneelit.fiHQ: Orimattila, FinlandReported employees: 11-50 | Orimattila, Finland | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Kotisol OYkotisol.fi HQ: FinlandReported employees: 51-200 | Finland | 51-200 | Exact match | 9 contacts → |
“Kotisol Oy toimittaa aurinkosähköjärjestelmät pientaloihin, maatiloille, yrityskiinteistöihin ja taloyhtiöille.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nordic Nanonordicnano.co HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 9 contacts → |
“Nordic Nano is developing the next generation of solar, storage and hydrogen technologies, all of which are based on advanced nanocarbon materials.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Heliostorageheliostorage.com HQ: Kokkola, FinlandReported employees: 1-10 | Kokkola, Finland | 1-10 | Exact match | 8 contacts → |
“The Heliostorage solution captures and stores energy from the summer sun to maximize heat pump efficiency regardless of time of year, producing the required volume of thermal…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Thestoragethestorage.fi HQ: Tampere, FinlandReported employees: 1-10 | Tampere, Finland | 1-10 | Exact match | 7 contacts → |
“TheStorage is a Finnish climate-tech company developing scalable, sand-based thermal energy storage systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Will & Must OYwillmust.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 7 contacts → |
“Will & Must is a Helsinki-based developer of energy and infrastructure projects, founded in 2022.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  RALOSralos.fiHQ: Tampere, FinlandReported employees: 11-50 | Tampere, Finland | 11-50 | Exact match | 6 contacts → |
“Ralos Oy provides the most intelligent and efficient solar power plants for homes, industries and utilities.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Halide Energyhalide.energyHQ: Espoo, FinlandReported employees: 1-10 | Espoo, Finland | 1-10 | Exact match | 5 contacts → |
“Halide Energy manufactures cost-effective, high performing, and sustainable copper flow batteries to enable grid-scale and industrial adopters to overcome their long duration…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Greengengreengen.fiHQ: Tampere, FinlandReported employees: 1-10 | Tampere, Finland | 1-10 | Exact match | 5 contacts → |
“Fastest urban BESS deployment with maximum return on investment for the customer At GreenGen, we provide full-service Battery Energy Storage System (BESS) solutions designed for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 76 company matches
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Solar energy storage companies: 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
76 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 worldwide rather than for Finland, so it is reported there. Company counts and contact totals on this page are exact for Finland, over 76 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 solar energy storage companies?
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 solar energy storage companies did RevenueBase find based in Finland?
The saved snapshot records 76 matching company records, 2,007 tracked contacts and 908 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: 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
Solar energy storage companies by geography
- Solar energy storage companies based in Adelaide, Australia
- Solar energy storage companies based in Brisbane, Australia
- Solar energy storage companies based in Melbourne, Australia
- Solar energy storage companies based in Perth, Australia
- Solar energy storage companies based in Sydney, Australia
- Solar energy storage companies based in Belo Horizonte, Brazil
- Solar energy storage companies based in Fortaleza, Brazil
- Solar energy storage companies based in Rio De Janeiro, Brazil
- Solar energy storage companies based in Sao Paulo, Brazil
- Solar energy storage companies based in Berlin, Germany
- Solar energy storage companies based in Hamburg, Germany
- Solar energy storage companies based in Munich, Germany
Cite this list
RevenueBase Data Team. Top 25 solar energy storage companies based in Finland. Snapshot: September 16, 2026. https://revenuebase.ai/companies/solar-energy-storage-companies/finland.
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
- Solar energy storage companies based in Adelaide, Australia
- Solar energy storage companies based in Brisbane, Australia
- Solar energy storage companies based in Melbourne, Australia
- Solar energy storage companies based in Perth, Australia
- Solar energy storage companies based in Sydney, Australia
- Solar energy storage companies based in Belo Horizonte, Brazil
Company intelligence · public preview
Top 25 solar energy storage companies based in Finland
RevenueBase records 76 matching company records for solar energy storage companies based in Finland, with 2,007 tracked contacts and 908 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: 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 25 solar energy storage companies based in Finland
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 | Wärtsilä Energywartsila.com HQ: Helsinki, FinlandReported employees: 10001+ | Helsinki, Finland | 10001+ | Exact match | 940 contacts → |
“Wärtsilä leads the transition towards a 100% renewable energy future.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | EFOREefore.com HQ: Espoo, FinlandReported employees: 51-200 | Espoo, Finland | 51-200 | Exact match | 119 contacts → |
“Founded in 1975 in Finland, Efore Telecom Finland Oy has grown from a six-person engineering office into a global energy solutions provider with five decades of expertise.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Merus Powermeruspower.com HQ: Ylöjärvi, FinlandReported employees: 51-200 | Ylöjärvi, Finland | 51-200 | Exact match | 114 contacts → |
“Merus Power is a technology company headquartered in the city of Ylöjärvi, Finland where we design and manufacture innovative Finnish battery energy storage systems and power…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Lehto Group OYJlehto.fi HQ: Kempele, FinlandReported employees: 11-50 | Kempele, Finland | 11-50 | Exact match | 63 contacts → |
“Virta päällä vihreässä siirtymässä.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cactoscactos.com HQ: Kempele, FinlandReported employees: 51-200 | Kempele, Finland | 51-200 | Exact match | 62 contacts → |
“Cactos develops distributed energy storage systems based on batteries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Korkiakorkia.fi HQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 48 contacts → |
“Korkia is a global investor and developer accelerating the transition to renewable energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Nepowernepower.fi HQ: Vaasa, FinlandReported employees: 51-200 | Vaasa, Finland | 51-200 | Exact match | 37 contacts → |
“NEPower delivers electrification solutions for the industrial, grid and renewable energy sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 1komma5 Suomi1komma5.fi HQ: Espoo, FinlandReported employees: 11-50 | Espoo, Finland | 11-50 | Exact match | 28 contacts → |
“At 1KOMMA5° Suomi (formerly Solar Age Oy), we believe in making it easy for people to access solar power solutions for their homes, businesses, and farms.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Enico OYenico.fi HQ: Tampere, FinlandReported employees: 1-10 | Tampere, Finland | 1-10 | Exact match | 22 contacts → |
“Enico offers wide-ranging production, manufacturing and project services in the field of renewable energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Terawatt OYterawatt.fi HQ: Vantaa, FinlandReported employees: 51-200 | Vantaa, Finland | 51-200 | Exact match | 19 contacts → |
“Tarjoamme sähköisen talotekniikan palveluja: suunnittelua ja asennusta.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Oomi Solaroomisolar.fi HQ: Vantaa, FinlandReported employees: 11-50 | Vantaa, Finland | 11-50 | Exact match | 19 contacts → |
“Olemme kotimainen toimija ja kokenut aurinkoenergian asiantuntija.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Elstor OYelstor.fi HQ: Lappeenranta, FinlandReported employees: 11-50 | Lappeenranta, Finland | 11-50 | Exact match | 17 contacts → |
“With its power-to-heat thermal energy storage innovation - and as a one of the front runners in the world in this sector - Elstor Oy transforms steam and heat production to zero…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Solarvoimasolarvoima.fi HQ: Espoo, FinlandReported employees: 11-50 | Espoo, Finland | 11-50 | Exact match | 17 contacts → |
“Solarvoima makes Solar Energy available for home owners, businesses, schools, non-profits and government organizations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ampner OYampner.com HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 16 contacts → |
“Ampner Oy – Power Engineering & DC Power Solutions for a Renewable Future Ampner is a Finnish technology company specialized in connecting renewable energy, energy storage systems…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Comsel System LTDcomselsystem.com HQ: Vasa, FinlandReported employees: 11-50 | Vasa, Finland | 11-50 | Exact match | 12 contacts → |
“Comsel System is a product design and development company specialized in development and industrialization engineering for the energy sector.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Olana Energyolana.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 11 contacts → |
“Olana is an energy storage company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | At Aurinkopaneelit OYataurinkopaneelit.fi HQ: Orimattila, FinlandReported employees: 11-50 | Orimattila, Finland | 11-50 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Kotisol OYkotisol.fi HQ: FinlandReported employees: 51-200 | Finland | 51-200 | Exact match | 9 contacts → |
“Kotisol Oy toimittaa aurinkosähköjärjestelmät pientaloihin, maatiloille, yrityskiinteistöihin ja taloyhtiöille.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nordic Nanonordicnano.co HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 9 contacts → |
“Nordic Nano is developing the next generation of solar, storage and hydrogen technologies, all of which are based on advanced nanocarbon materials.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Heliostorageheliostorage.com HQ: Kokkola, FinlandReported employees: 1-10 | Kokkola, Finland | 1-10 | Exact match | 8 contacts → |
“The Heliostorage solution captures and stores energy from the summer sun to maximize heat pump efficiency regardless of time of year, producing the required volume of thermal…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Thestoragethestorage.fi HQ: Tampere, FinlandReported employees: 1-10 | Tampere, Finland | 1-10 | Exact match | 7 contacts → |
“TheStorage is a Finnish climate-tech company developing scalable, sand-based thermal energy storage systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Will & Must OYwillmust.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 7 contacts → |
“Will & Must is a Helsinki-based developer of energy and infrastructure projects, founded in 2022.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | RALOSralos.fi HQ: Tampere, FinlandReported employees: 11-50 | Tampere, Finland | 11-50 | Exact match | 6 contacts → |
“Ralos Oy provides the most intelligent and efficient solar power plants for homes, industries and utilities.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Halide Energyhalide.energy HQ: Espoo, FinlandReported employees: 1-10 | Espoo, Finland | 1-10 | Exact match | 5 contacts → |
“Halide Energy manufactures cost-effective, high performing, and sustainable copper flow batteries to enable grid-scale and industrial adopters to overcome their long duration…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Greengengreengen.fi HQ: Tampere, FinlandReported employees: 1-10 | Tampere, Finland | 1-10 | Exact match | 5 contacts → |
“Fastest urban BESS deployment with maximum return on investment for the customer At GreenGen, we provide full-service Battery Energy Storage System (BESS) solutions designed for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 76 company matches
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Solar energy storage companies: 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
76 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 worldwide rather than for Finland, so it is reported there. Company counts and contact totals on this page are exact for Finland, over 76 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 solar energy storage companies?
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 solar energy storage companies did RevenueBase find based in Finland?
The saved snapshot records 76 matching company records, 2,007 tracked contacts and 908 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: 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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Cite this list
RevenueBase Data Team. Top 25 solar energy storage companies based in Finland. Snapshot: September 16, 2026. https://revenuebase.ai/companies/solar-energy-storage-companies/finland.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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