Company lists · Data refreshed September 2026

Top 25 Residential renewable energy companies based in Spain

Name: Residential renewable energy companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 780 companies tracked

RevenueBase identified 780 company matches for residential renewable energy companies associated with Spain as of September 2026 and tracks 11,867 professional contacts across them, including 1,357 with verified work emails. Madrid is the largest hub.

This list covers company matches for residential renewable energy companies associated with Spain, 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

780Companies

11,867Contacts tracked

1,357Verified emails

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The 25 largest residential renewable energy companies based in Spain

Ranked by team size

Top 25 of 780 company matches for residential renewable energy companies based in Spain, 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	Grenergy	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	501-1,000	699 contacts →
	Exact match “The on-demand energy producer empowering ever-changing lives Grenergy is a Spanish multinational clean energy producer.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	IGNIS	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	501-1,000	533 contacts →
	Exact match “We are a vertically integrated energy company and offer tailored solutions for large consumers and for new energy demands, such as data centers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	X-Elio	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	201-500	466 contacts →
	Exact match “X-ELIO: global leader in the development of renewable energy projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Holaluz	Exact match	Barcelona, SpainHQ recorded Sep 17, 2026	201-500	345 contacts →
	Exact match “Building the most impactful green energy community in Europe by unleashing the full potential of electrifying energy demand by scaling distributed Solar and Storage.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Fotowatio Renewable Ventures FRV	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	201-500	339 contacts →
	Exact match “We are world leaders in providing comprehensive renewable energy solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Solaria Energía Y Medio Ambiente	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	51-200	305 contacts →
	Exact match “Solaria Energía y Medio Ambiente is a company dedicated to selling carbon free energy generated by its solar plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Enerside Energy	Exact match	Barcelona, SpainHQ recorded Sep 17, 2026	51-200	205 contacts →
	Exact match “Enerside is a fast-growing, fully integrated solar photovoltaic platform with a global presence and headquarters in Barcelona, Spain.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Solarprofit	Exact match	Llinars Del Vallès, SpainHQ recorded Sep 17, 2026	501-1,000	199 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 · Sep 17, 2026 · View company records in RevenueBase
9	Elawan Energy	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	201-500	189 contacts →
	Exact match “With more than 200 employees and a growing workforce, Elawan Energy provides integrated solutions across the clean energy lifecycle, from the promotion, development, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Greening	Exact match	Granada, SpainHQ recorded Sep 17, 2026	501-1,000	175 contacts →
	Exact match “Greening is a global, vertically integrated renewable energy company that not only generates and markets its own green energy, but does so through a diversified portfolio of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Rioglass	Exact match	Mieres, SpainHQ recorded Sep 17, 2026	501-1,000	155 contacts →
	Exact match “Rioglass Solar is an international renewable energy company with more than 15 years of experience in the solar power industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Cansol Energy Solutions	Exact match	Granada, SpainHQ recorded Sep 17, 2026	51-200	151 contacts →
	Exact match “CANSOL ENERGY SOLUTIONS, construyendo un futuro sostenible.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Ecoener	Exact match	La Coruña, SpainHQ recorded Sep 17, 2026	51-200	128 contacts →
	Exact match “Ecoener es una multinacional española especializada en energía renovables, con 37 años de experiencia en el desarrollo de proyectos que buscan una perfecta integración ambiental y…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	ESR Energy Solutions	Exact match	Sant Boi De Llobregat, SpainHQ recorded Sep 17, 2026	51-200	125 contacts →
	Exact match “Somos ESR Energy Solutions y llevamos más de 10 años llevando la energía solar a miles de hogares.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	EAVE	Exact match	Sta Cruz De Tenerife, SpainHQ recorded Sep 17, 2026	51-200	113 contacts →
	Exact match “Somos un equipo de profesionales especializados en energías renovables.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Contigo Energía	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	51-200	110 contacts →
	Exact match “En Contigo Energía tenemos la vocación de acompañar a nuestros clientes en la transición hacia un futuro energético más responsable con el medio ambiente y por eso solo ofrecemos…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	POWEN	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	51-200	103 contacts →
	Exact match “En POWEN Somos los especialistas en energía solar fotovoltaica para los clientes que desean una alternativa energética basada en el ahorro, respeto por el medio ambiente y el uso…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Autosolar Energy Solutions	Exact match	Alcàsser, SpainHQ recorded Sep 17, 2026	51-200	98 contacts →
	Exact match “AutoSolar es la tienda solar líder en España.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Greenalia S.A	Exact match	A Coruña, SpainHQ recorded Sep 17, 2026	51-200	87 contacts →
	Exact match “Greenalia is an independent renewable energy producer.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Diverxia	Exact match	Valencia, SpainHQ recorded Sep 17, 2026	51-200	83 contacts →
	Exact match “Diverxia is a global company focused on the development and execution of large-scale renewable projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	solfy.net	Exact match	Barcelona, SpainHQ recorded Sep 17, 2026	51-200	73 contacts →
	Exact match “Solfy quiere revolucionar el modelo energético actual, ofreciendo a cada persona y empresa la posibilidad de producir y autoconsumir su propia energía, ahorrando dinero y…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Univergy Solar	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	51-200	71 contacts →
	Exact match “Univergy Solar es una empresa hispano-japonesa especializada en el desarrollo y construcción de proyectos de energía solar, eólica y de hidrógeno verde, incluyendo soluciones de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Arena Green Power	Exact match	Seville, SpainHQ recorded Sep 17, 2026	51-200	61 contacts →
	Exact match “ARENA Green Power is an independent Renewable Energy company focused in the Development, Construction and Operation of proprietary projects and also in providing turnkey…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Bluetree Group	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	51-200	60 contacts →
	Exact match “Helping investors and energy companies maximise renewable asset performance while keeping risk under control.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	IASOL	Exact match	Zaragoza, SpainHQ recorded Sep 17, 2026	51-200	54 contacts →
	Exact match “Ingeniería y Aplicaciones Solares 2005 Zaragoza, S.L.(IASOL) es una empresa líder en Aragón en el desarrollo de energías limpias, que trabaja por el desarrollo sostenible y…” 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 “residential renewable energy 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 25 of 780 residential renewable energy companies based in Spain

See the full list, filter by size, metro and specialty, and access 1,357 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residential renewable energy companies based in Spain at a glance

As of Sep 17, 2026

11.4%Verified-email coverage

15.2Average contacts per company

1-10Median size (employees)

15.4%Largest-city concentration · Madrid

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

412

11-50

263

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 780 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 Spain whose business descriptions match “residential renewable energy 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 1,357 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 “residential renewable energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many residential renewable energy companies are there based in Spain?

RevenueBase identified 780 company matches for residential renewable energy companies associated with Spain 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?

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

Which city has the most residential renewable energy companies?

Madrid leads with 120 company records, followed by Barcelona (31) and Seville (23).

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 1,357 professional contacts with verified work emails tracked across these 780 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.