Company lists · Data refreshed September 2026

Top 25 Renewable energy system integrators based in Portugal

Name: Renewable energy system integrators based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 332 companies tracked

RevenueBase identified 332 company matches for renewable energy system integrators associated with Portugal as of September 2026 and tracks 4,369 professional contacts across them, including 1,157 with verified work emails. Lisbon is the largest hub.

This list covers company matches for renewable energy system integrators associated with Portugal, 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 17, 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 Sep 17, 2026 How this list was built

332Companies

4,369Contacts tracked

1,157Verified emails

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The 25 largest renewable energy system integrators based in Portugal

Ranked by team size

Top 25 of 332 company matches for renewable energy system integrators based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	CJR Renewables	Exact match	Matosinhos, PortugalHQ recorded Sep 17, 2026	1,001-5,000	816 contacts →
	Exact match “CJR Renewables: EPC/BOP/BOS integrated services provider for wind farms and solar plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Sotécnica	Exact match	Loures, PortugalHQ recorded Sep 17, 2026	501-1,000	295 contacts →
	Exact match “Sotécnica, a brand of VINCI Energies, is an integrated engineering solutions company and a multi-technical team in the areas of Electrical Installations, Technical Installations…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Firefly Energies	Exact match	Vila Verde, PortugalHQ recorded Sep 17, 2026	201-500	256 contacts →
	Exact match “Com um percurso sólido e uma equipa experiente, consolidámos ao longo de quase duas décadas a nossa presença como empresa multinacional líder na área das energias renováveis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Greenvolt Group	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	501-1,000	242 contacts →
	Exact match “We are a 100% renewable energy Group with the purpose of creating sustainable value from the sun, wind, and forests, for the benefit of society, shareholders, and employees.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	JDC Jayme DA Costa	Exact match	Grijó, PortugalHQ recorded Sep 17, 2026	51-200	146 contacts →
	Exact match “Com mais de 100 anos de atividade, mas com a capacidade de executar de uma estrutura jovem e dinâmica, a JdC é hoje uma empresa nacional focada no desenvolvimento tecnológico de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Universal Kraft	Exact match	Porto, PortugalHQ recorded Sep 17, 2026	51-200	46 contacts →
	Exact match “Universal Kraft is an independent multinational company specialized in renewable energy solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Winpower, S.A	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	51-200	46 contacts →
	Exact match “WinPower is an engineering company with more than 30 years of experience in the energy sector, and references of power generation projects in Europe, Africa, and America.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Dstsolar	Exact match	Braga, PortugalHQ recorded Sep 17, 2026	11-50	44 contacts →
	Exact match “Acreditamos no poder das forças da natureza e nas energias limpas e renováveis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Elergone Energia	Exact match	Leça Da Palmeira, PortugalHQ recorded Sep 17, 2026	11-50	42 contacts →
	Exact match “Com um histórico de mais de 15 anos no setor da energia, a Elergone Energia oferece aos seus clientes uma visão global e estratégica na sustentabilidade energética, económica e…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Enersado	Exact match	Quinta Do Anjo, PortugalHQ recorded Sep 17, 2026	201-500	41 contacts →
	Exact match “OUR VISION Enersado is a company founded with the purpose of being a national and international market reference in the areas of power production sources mounting and assembly.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Megajoule	Exact match	Moreira, PortugalHQ recorded Sep 17, 2026	11-50	39 contacts →
	Exact match “MEGAJOULE is the Portuguese leading private and independent wind and solar assessment consultant.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Electro-Minho	Exact match	Viana Do Castelo, PortugalHQ recorded Sep 17, 2026	201-500	36 contacts →
	Exact match “Fundada em 1955, a Electro-Minho, Lda.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Enforce	Exact match	Covilhã, PortugalHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “A Enforce foi fundada há 10 anos resultando da transformação da empresa João Nuno Serra Lda.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Smartwatt	Exact match	Porto, PortugalHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “A Smartwatt, com mais de 15 anos de experiência, cria e implementa soluções de eficiência energética, produção de energia renovável e digitalização da gestão da energia…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Value Element Engineering Solutions	Exact match	Paços De Ferreira, PortugalHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “No atual contexto energético e ambiental, a importância da produção de eletricidade através de fontes de Energia Renovável é o ponto-chave na contribuição da descarbonização do…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Cirelius	Exact match	Avintes, PortugalHQ recorded Sep 17, 2026	51-200	25 contacts →
	Exact match “Cirelius is a company based out of 26 Rua da Cancela Velha, Avintes, Portugal.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Donauer	Exact match	Venda Do Pinheiro, PortugalHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “Localizada em Portugal, a Donauer fornece soluções energéticas renováveis e trabalha hoje para criar um amanhã mais sustentável.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Winrg Iberia	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “WiNRG Iberia is specialized in the renewable energies sector with branch offices in Lisbon and Madrid.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Gesto Energy Consulting	Exact match	Algés, PortugalHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Gesto is an international company focused on energy consulting and renewable energy project development.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Foeng Group	Exact match	Cacia, PortugalHQ recorded Sep 17, 2026	51-200	23 contacts →
	Exact match “FOeng is an Engineering Office founded in 2007, initially focused on Civil Engineering and Architecture Projects, with a commitment to providing innovative and optimized services…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Powersil	Exact match	Vialonga, PortugalHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Powersil offers integrated energy solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Keepon	Exact match	2681-502 Camarate, PortugalHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “A KeepOn é uma empresa de instalação e manutenção de sistemas fotovoltaicos, AVAC, eletricidade, sistemas solares térmicos, mobilidade elétrica e tratamento de águas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Builtin Instalações Especiais	Exact match	V.n.famalicão, PortugalHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Builtin, empresa engenharia, Instalação Eletricidade, Ar Condicionado, painéis solares e especialidades” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Hellonext	Exact match	Algés, PortugalHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Pioneering Sustainable Energy Solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Voltel	Exact match	Santa Catarina Da Serra, PortugalHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “A Voltel – Instalações Técnicas de Electricidade, Lda.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “renewable energy system integrators”. 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 332 renewable energy system integrators based in Portugal

See the full list, filter by size, metro and specialty, and access 1,157 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable energy system integrators based in Portugal at a glance

As of Sep 17, 2026

26.5%Verified-email coverage

13.2Average contacts per company

1-10Median size (employees)

12.0%Largest-city concentration · Lisbon

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

177

11-50

109

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Portugal, so it is reported there. Company counts and contact totals on this page are exact for Portugal, over 332 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 Portugal whose business descriptions match “renewable 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 1,157 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 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “renewable energy system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy system integrators are there based in Portugal?

RevenueBase identified 332 company matches for renewable energy system integrators associated with Portugal 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?

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

Which city has the most renewable energy system integrators?

Lisbon leads with 40 company records, followed by Porto (15) and Braga (11).

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 1,157 professional contacts with verified work emails tracked across these 332 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 17, 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.