Company lists · Data refreshed September 2026

Top 23 Off-grid solar installation companies based in Portugal

Name: Off-grid solar installation companies based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 113 companies tracked

RevenueBase identified 113 company matches for off-grid solar installation companies associated with Portugal as of September 2026 and tracks 1,069 professional contacts across them, including 324 with verified work emails. Lisbon is the largest hub.

This list covers company matches for off-grid solar installation companies 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

113Companies

1,069Contacts tracked

324Verified emails

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The 23 largest off-grid solar installation companies based in Portugal

Ranked by team size

Top 23 of 113 company matches for off-grid solar installation companies 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	Greenvolt Next	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	201-500	326 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 · Sep 17, 2026 · View company records in RevenueBase
2	Cleanwatts	Exact match	Coimbra, PortugalHQ recorded Sep 17, 2026	11-50	54 contacts →
	Exact match “Cleanwatts accelerates the energy transition through the development of distributed solar energy projects and energy communities.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	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
4	Solarshop	Exact match	Leiria, PortugalHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “A SolarShop iniciou a sua atividade no setor das energias renováveis em 2011, com um foco inicial em instalações isoladas e componentes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	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
6	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
7	Solcor Portugal	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Solcor oferece painéis solares sem custos de investimento e sem custos operacionais, compartilhamos apenas com o cliente as economias geradas pelos painéis solares.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Coeptum	Exact match	Gandra, PortugalHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “A COEPTUM atua no setor da energia, com particular enfoque nas áreas da sustentabilidade e eficiência energética.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	SEM IR LDA	Exact match	Vale Do Paraíso, PortugalHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “SEM IR \| Engenharia de Proximidade & Sustentabilidade Energética.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Firstrule	Exact match	Seixal, PortugalHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “FIRSTRULE, S.A.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Nextenergy, LDA	Exact match	Praia Da Vitória (santa Cruz), PortugalHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Desde 2004 que o nosso foco e motor para uma progressiva evolução é a ambição de entrar na casa de todos os nossos clientes, oferecendo-lhes um serviço de consultadoria/instalação…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Tlci Energia	Exact match	Guimarães, PortugalHQ recorded Sep 17, 2026	51-200	8 contacts →
	Exact match “A TLCI Energia é uma marca especializada na oferta de soluções de produção de energias renováveis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Sotysolar Portugal	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	51-200	6 contacts →
	Exact match “Ajudar cada vez mais pessoas na sua transição energética é a missão da SotySolar Portugal.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Trilhos Energéticos	Exact match	Sazes Do Lorvão - Penacova, PortugalHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “A TRILHOS ENERGÉTICOS – Soluções Sustentáveis, é uma empresa cuja área de atuação são as energias renováveis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Lefe,lda	Exact match	Joane, PortugalHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Somos uma empresa comprometida em fornecer soluções inovadoras e sustentáveis para os nossos clientes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Rewatt Renewables Developer	Exact match	Matosinhos, PortugalHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “Pretendemos que seja simples a introdução de energias renováveis na sua empresa, sem a desfocar do seu negócio principal.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Trineg	Exact match	Vila Nova De Gaia, PortugalHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “TRINEG is an engineering company based in Vila Nova de Gaia, Portugal, specialized in providing high-value technical services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Wild Power	Exact match	Viseu, PortugalHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Young, dynamic company, special in the Installation and Maintenance of Photovoltaic Panels, from Residential, Industrial and Photovoltaic Parks Projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Engie Hemera	Exact match	Alges, PortugalHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “A ENGIE Hemera é uma empresa do universo ENGIE Soluções de Energia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Sparkpoint Solar LDA	Exact match	Monsanto Idn, PortugalHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Design, Distribution and Installation of mission critical Photovoltaic Generation and Storage Systems.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Greenwatt	Exact match	Maia, PortugalHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Somos líderes em desenvolvimento de tecnologias avançadas de soluções de energia limpa, que ajudam os nossos clientes a atingir as suas metas de sustentabilidade.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	AUGE	Exact match	Vialonga, PortugalHQ recorded Sep 17, 2026	11-50	2 contacts →
	Exact match “A AUGE – automação e geradores, Lda, foi fundada por escritura de 05/04/1993 iniciando desde logo a sua atividade regendo-se por sólidos principios.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Brighter Energy	Exact match	Porto, PortugalHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “brighter energy puts you in control of your solar power installation.” 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 “off-grid solar installation 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 23 of 113 off-grid solar installation companies based in Portugal

See the full list, filter by size, metro and specialty, and access 324 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Off-grid solar installation companies based in Portugal at a glance

As of Sep 17, 2026

30.3%Verified-email coverage

9.5Average contacts per company

1-10Median size (employees)

11.5%Largest-city concentration · Lisbon

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 113 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 “off-grid solar installation 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 324 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 “off-grid solar installation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many off-grid solar installation companies are there based in Portugal?

RevenueBase identified 113 company matches for off-grid solar installation companies 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?

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

Which city has the most off-grid solar installation companies?

Lisbon leads with 13 company records, followed by Porto (6) and Braga (5).

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 324 professional contacts with verified work emails tracked across these 113 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.