Company lists · Data refreshed October 2026

Top 25 District heating solar companies worldwide

RevenueBase identified 6,620 company matches for district heating solar companies worldwide as of October 2026 and tracks 67,551 professional contacts across them, including 21,031 with verified work emails. Germany is the largest market and London the largest hub.

This list covers company matches for district heating solar companies 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 11, 2026. Country and city lists for district heating solar companies 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 11, 2026 How this list was built
6,620Companies
67,551Contacts tracked
21,031Verified emails
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The 25 largest district heating solar companies worldwide

Ranked by team size
Top 25 of 6,620 company matches for district heating solar companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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 matchOslo, NorwayHQ recorded Oct 11, 20265,001-10,0004,137 contacts →

Exact match

“Statkraft is a leading company in hydropower internationally and Europe’s largest generator of renewable energy.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchBoulogne-billancourt, FranceHQ recorded Oct 11, 20265,001-10,0003,448 contacts →

Exact match

“Fondé en France en 1963, le groupe IDEX, fort de près de 6 500 collaborateurs, développe, conçoit, finance, construit et exploite des infrastructures énergétiques locales et…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchNordborg, DenmarkHQ recorded Oct 11, 202610001+1,227 contacts →

Exact match

“At Danfoss Climate Solutions, we engineer energy-efficient heating and cooling solutions to help the world get more out of less.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchWarwick, United KingdomHQ recorded Oct 11, 20261,001-5,000884 contacts →

Exact match

“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchBerlin, GermanyHQ recorded Oct 11, 20261,001-5,000793 contacts →

Exact match

“Wärme und Energie für Berlin Als BEW Berliner Energie und Wärme sind wir Teil der Berliner Landesfamilie.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchBlackburn, United KingdomHQ recorded Oct 11, 2026501-1,000749 contacts →

Exact match

“Our 30+ years’ experience have involved us in the creation of major UK district heating networks in areas such as Sheffield, Nottingham and London.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchStockholm, SwedenHQ recorded Oct 11, 2026501-1,000730 contacts →

Exact match

“We are Stockholm’s energy company.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchLinköping, SwedenHQ recorded Oct 11, 2026501-1,000708 contacts →

Exact match

“Tekniska verken is a regional company which aims to create an efficient community which is sustainable in the long term.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchHelsinki, FinlandHQ recorded Oct 11, 20261,001-5,000647 contacts →

Exact match

“Olemme yksi Suomen suurimmista energiayhtiöistä.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchRanders Nv, DenmarkHQ recorded Oct 11, 2026201-500380 contacts →

Exact match

“Verdo Holding A/S er en forbrugerejet energikoncern med hovedsæde i Randers, der består af et holdingselskab samt datterselskaber inden for vand, varme og elproduktion.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchİstanbul, TürkiyeHQ recorded Oct 11, 20261,001-5,000370 contacts →

Exact match

“Vaillant Group, ısıtma ve havalandırma teknolojisi alanlarında uluslararası pazarlarda lider bir kuruluştur.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchLisbon, PortugalHQ recorded Oct 11, 2026201-500361 contacts →

Exact match

“Greenvolt Next is your guide to change the way on how you produce, consume, and share energy.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchBrabrand, DenmarkHQ recorded Oct 11, 2026501-1,000341 contacts →

Exact match

“Kredsløb is an utility company with around 500 employees who work with contributing to the green transition and supporting our customers and partners in doing the same every day.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchVantaa, FinlandHQ recorded Oct 11, 2026501-1,000317 contacts →

Exact match

“Our vision is to become the leading partner in the energy transition.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchEindhoven, NetherlandsHQ recorded Oct 11, 2026201-500298 contacts →

Exact match

“Ennatuurlijk koppelt lokale producenten en ontvangers van duurzame warmte en koude aan elkaar.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchParis, FranceHQ recorded Oct 11, 2026501-1,000293 contacts →

Exact match

“Le plus grand réseau de chaleur de France Depuis 1927, nous produisons et acheminons de la chaleur pour le chauffage et l’eau chaude en métropole parisienne.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Oct 11, 2026501-1,000289 contacts →

Exact match

“Vicinity Energy is a leading district energy company that owns and operates the largest portfolio of district energy systems nationwide, providing steam, hot water, and chilled…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchOdense C, DenmarkHQ recorded Oct 11, 2026201-500281 contacts →

Exact match

“Fjernvarmeforsyningen er en nonprofit virksomhed, hvor fjernvarmeprisen er omkostningsbestemt, og økonomisk følger princippet "hvile i sig selv".”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchSion, SwitzerlandHQ recorded Oct 11, 2026501-1,000223 contacts →

Exact match

“Avenir activé.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchVantaa, FinlandHQ recorded Oct 11, 2026201-500220 contacts →

Exact match

“Vantaan Energia on yksi Suomen suurimmista kaupunkienergiayhtiöistä.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchVilnius, LithuaniaHQ recorded Oct 11, 202651-200216 contacts →

Exact match

“Ignitis“ yra atsinaujinančios energijos bendrovės „Ignitis grupė“ dalis.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchHalmstad, SwedenHQ recorded Oct 11, 2026201-500199 contacts →

Exact match

“The area's leading business, in relation to energy, environment and climate.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchLlinars Del Vallès, SpainHQ recorded Oct 11, 2026501-1,000198 contacts →

Exact match

“SolarProfit es la compañía líder especializada en energías renovables, como energía solar fotovoltaica y sistemas de aerotermia.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchBochum, GermanyHQ recorded Oct 11, 2026501-1,000192 contacts →

Exact match

“Seit mehr als 170 Jahren versorgen die Stadtwerke Bochum die Bochumer Bürger mit Strom, Gas, Wasser und Fernwärme.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchSteinhagen, GermanyHQ recorded Oct 11, 2026201-500174 contacts →

Exact match

“Mit Premium-Photovoltaikanlagen und Wärmepumpen im Komplettpaket erleichtern wir seit 2010 Privat- und Gewerbekunden bundesweit den Umstieg auf eine unabhängige, nachhaltige…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 6,620 district heating solar companies worldwide

See the full list, filter by size, metro and specialty, and access 21,031 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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District heating solar companies worldwide at a glance

As of Oct 11, 2026
31.1%Verified-email coverage
10.2Average contacts per company
1-10Median size (employees)
0.5%Largest-city concentration · London
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
3,280
11-50
2,322
51-200
660
201-500
151
501-1,000
46
1,001-5,000
30
5,001-10,000
6
10001+
7

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 district heating solar companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “district heating solar 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. 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 21,031 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 11, 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.

District heating solar companies by location

27 lists · largest first

Every District heating solar companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “district heating solar companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many district heating solar companies are there worldwide?

RevenueBase identified 6,620 company matches for district heating solar companies 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?

Statkraft tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most district heating solar companies?

Germany leads with 744 companies, followed by France (430) and the United Kingdom (429). Every district heating solar companies list by country and city is linked on this page.

Which city has the most district heating solar companies?

London leads with 31 company records, followed by Madrid (30) and Berlin (29).

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 21,031 professional contacts with verified work emails tracked across these 6,620 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 11, 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.