Company lists · Data refreshed November 2026

Top 16 Hybrid energy system integrators based in Finland

RevenueBase identified 36 company matches for hybrid energy system integrators associated with Finland as of November 2026 and tracks 2,345 professional contacts across them, including 1,177 with verified work emails. Helsinki is the largest hub.

This list covers company matches for hybrid energy system integrators 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
36Companies
2,345Contacts tracked
1,177Verified emails
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The 16 largest hybrid energy system integrators based in Finland

Ranked by team size
Top 16 of 36 company matches for hybrid energy system integrators based in Finland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHelsinki, FinlandHQ recorded Nov 6, 202610001+991 contacts →

Exact match

“Wärtsilä leads the transition towards a 100% renewable energy future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchEspoo, FinlandHQ recorded Nov 6, 202651-200128 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchYlöjärvi, FinlandHQ recorded Nov 6, 202651-200123 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHelsinki, FinlandHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Intergrid is a Helsinki-based technology company developing an Autopilot for industrial energy operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchUusimaa, FinlandHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Höyrytys Oy on kokonaisvaltainen energiapalvelujen tuottaja, joka toteuttaa asiakkailleen joustavia energiaratkaisuja lämmön, höyryn ja sähkön tuotantoon.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOulu, FinlandHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“CFE Finland is an independent expert company in energy infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchTampere, FinlandHQ recorded Nov 6, 20261-1022 contacts →

Exact match

“Enico offers wide-ranging production, manufacturing and project services in the field of renewable energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHelsinki, FinlandHQ recorded Nov 6, 202611-5021 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOulu, FinlandHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Planora Oy was founded in 1987 and currently employs over 30 full-time energy engineers and consultants, environmental engineers, energy system designers, software developers and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchVasa, FinlandHQ recorded Nov 6, 202611-5011 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchVantaa, FinlandHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Hevtec helps OEMs electrify demanding mobile machines with complete electric and hybrid powertrain system integration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHelsinki, FinlandHQ recorded Nov 6, 20261-103 contacts →

Exact match

“RENEWE - Uusiutuvan energian asiantuntijasi Suomen johtavat aurinkoenergia, lämpöpumppu, lataus- ja jäähdytysjärjestelmät sekä kokonaispalvelut yhdestä osoitteesta, suunnittelusta…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTampere, FinlandHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Optimal energy services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchVantaa, FinlandHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Wahlres Oy was founded in 2016 and aims to reduce the reliance of Finnish buildings on non-renewable energy sources.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchVaasa, FinlandHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Solar energy systems”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchVaasa, FinlandHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Renewable energy specialist”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 16 of 36 hybrid energy system integrators based in Finland

See the full list, filter by size, metro and specialty, and access 1,177 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hybrid energy system integrators based in Finland at a glance

As of Nov 6, 2026
50.2%Verified-email coverage
65.1Average contacts per company
1-10Median size (employees)
16.7%Largest-city concentration · Helsinki
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
9
51-200
3
501-1,000
2
10001+
1

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 36 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 “hybrid energy system integrators” 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 1,177 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 November 6, 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 “hybrid energy system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hybrid energy system integrators are there based in Finland?

RevenueBase identified 36 company matches for hybrid energy system integrators associated with Finland as of November 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 hybrid energy system integrators?

Helsinki leads with 6 company records, followed by Tampere (5) and Espoo (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 1,177 professional contacts with verified work emails tracked across these 36 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 November 6, 2026.

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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.