Company lists · Data refreshed September 2026
Top 25 Solar energy investment firms based in Portugal
RevenueBase identified 158 solar energy investment firms headquartered in Portugal as of September 2026 and tracks 2,671 professional contacts across them, including 873 with verified work emails. Lisbon is the largest hub.
This list covers solar energy investment firms headquartered in Portugal, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 investment firms based in Portugal
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 560 contacts → | ||||
Indirect evidence “Our story began 50 years ago in Portugal.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 256 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 242 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 195 contacts → | ||||
Partial evidence “Founded in 2008, Capwatt benefits from decades of experience - dating back to the 1980s - in the development, construction and management of sustainable energy assets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 54 contacts → | ||||
Strong evidence “Cleanwatts accelerates the energy transition through the development of distributed solar energy projects and energy communities.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 42 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 42 contacts → | ||||
Partial evidence “Galp Solar products are now fully integrated within the Galp Group portfolio.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 38 contacts → | ||||
Partial evidence “A Bling Energy nasceu com o "brilho do sol" para dar mais energia a todos os que se preocupam em poupar o ambiente e a carteira!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 25 contacts → | ||||
Partial evidence “GreenVenture is a private investment and asset management holding firm based in Portugal that focuses on the identification, acquisition, development and implementation of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 24 contacts → | ||||
Partial evidence “Localizada em Portugal, a Donauer fornece soluções energéticas renováveis e trabalha hoje para criar um amanhã mais sustentável.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 23 contacts → | ||||
Partial evidence “A Triple Watt é um grupo empresarial português, sediado em Viseu, que se dedica ao desenvolvimento de projetos de geração de energia limpa e renovável, com especial enfoque na…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 contacts → | ||||
Partial evidence “Solcor oferece painéis solares sem custos de investimento e sem custos operacionais, compartilhamos apenas com o cliente as economias geradas pelos painéis solares.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Partial evidence “A COEPTUM atua no setor da energia, com particular enfoque nas áreas da sustentabilidade e eficiência energética.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Partial evidence “SEM IR | Engenharia de Proximidade & Sustentabilidade Energética.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9 contacts → | ||||
Indirect evidence “FIRSTRULE, S.A.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9 contacts → | ||||
Partial evidence “Na MACWATTS desenvolvemos soluções chave-na-mão na área da geração fotovoltaica e energia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Indirect evidence “Entre as exigências da sociedade e a absoluta necessidade de preservar o Planeta, a Solmaior canaliza o melhor de ambas: usa a mais avançada tecnologia associada à força da…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Partial evidence “Eneriberia specializes in clean energy solutions for industrial self-consumption.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Partial evidence “A TLCI Energia é uma marca especializada na oferta de soluções de produção de energias renováveis.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Partial evidence “A Energia em Conserva foi criada a 3 de Janeiro de 2011.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Partial evidence “Infraventus Group was set up in 2008, by Afonso Proença after the sale of Enersis Group assets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Partial evidence “We are a family held, investment office based in Lisbon with an institutional set up.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Strong evidence “We DEVELOP solar energy assets in europe (mainly Portugal); We IDENTIFY opportunities for M&A in renewable Energy assets; We STRUCTURE and manage investments in solar Energy; We…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Partial evidence “Frequent Summer is one of the main developers of photovoltaic solar parks in Portugal with more than 400 MW developed.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Partial evidence “A TRILHOS ENERGÉTICOS – Soluções Sustentáveis, é uma empresa cuja área de atuação são as energias renováveis.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: solar energy investment firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names solar energy investment firms.
- Partial evidence
- Its own public description names part of solar energy investment firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name solar energy investment firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 158 solar energy investment firms based in Portugal
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Solar energy investment firms based in Portugal at a glance
As of Sep 29, 2026Companies by employee count
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 158 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among solar energy investment firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Portugal whose own description of what they do matches “solar energy investment firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names solar energy investment firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among solar energy investment firms, and records with no verified work email. Companies headquartered outside Portugal are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 873 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names solar energy investment firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many solar energy investment firms are there based in Portugal?
RevenueBase identified 158 solar energy investment firms headquartered in Portugal as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
EDP Portugal, headquartered in Lisbon, tops this list with the largest team on record.
Which city has the most solar energy investment firms?
Lisbon leads with 29 headquartered companies, followed by Porto (12) and Braga (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 873 verified decision-maker contacts tracked across these 158 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.
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