Company lists · Data refreshed September 2026

Top 25 Off-grid energy system providers based in Spain

Name: Off-grid energy system providers based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 241 companies tracked

RevenueBase identified 241 company matches for off-grid energy system providers associated with Spain as of September 2026 and tracks 3,748 professional contacts across them, including 232 with verified work emails. Madrid is the largest hub.

This list covers company matches for off-grid energy system providers 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

241Companies

3,748Contacts tracked

232Verified emails

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The 25 largest off-grid energy system providers based in Spain

Ranked by team size

Top 25 of 241 company matches for off-grid energy system providers 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	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
2	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
3	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
4	Atersa Elecnor	Exact match	Ribarroja Del Túria, SpainHQ recorded Sep 17, 2026	201-500	73 contacts →
	Exact match “Fruto de la fusión de las empresas ELECSOL y ATESOL, fundadas en 1979 y especializadas en la distribución de material solar fotovoltaico, nace APLICACIONES TÉCNICAS DE LA ENERGÍA…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Hesstec Hybrid Energy Storage Solutions LTD	Exact match	Paterna, SpainHQ recorded Sep 17, 2026	11-50	61 contacts →
	Exact match “Hybrid Energy Storage Solution Ltd.(hereinafter called HESS Ltd.) is a technological solution provider, pioneer in creating hybrid energy storage solutions (HESS), optimized in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Ampere Energy	Exact match	Puzol, SpainHQ recorded Sep 17, 2026	51-200	56 contacts →
	Exact match “Welcome to the new energy model.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	LRP Energy	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	201-500	52 contacts →
	Exact match “Apostando por soluciones ecológicas, ofrecemos servicios que proporcionan independencia energética.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Comunidad Solar	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	11-50	35 contacts →
	Exact match “Acercamos la energía renovable a tu hogar: Construimos un nuevo modelo de relación entre la energía y las personas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Sumsol	Exact match	Getafe, SpainHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “Distribution of photovoltaic solar energy equipment” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Awergy	Exact match	Elda, SpainHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “Somos AWERGY, una empresa de ingeniería especializada en energías renovables.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Plug & Play Energy	Exact match	11, SpainHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Somos una empresa española dedicada a la distribución de sistemas fotovoltaicos para aisladas, revamping o autoconsumo.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Solenver Soluciones Energéticas	Exact match	Sudanell, SpainHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “SOLENVER está formado por un equipo cualificado y con amplia experiencia en el sector energético.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Techno SUN	Exact match	Paterna, SpainHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Distribuidores mayoristas especializados en energía solar fotovoltaica.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Sonnen Spain	Exact match	Olot, SpainHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “La energía limpia y asequible para todos es uno de los mayores desafíos de nuestro tiempo.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Efiwatt	Exact match	Palma De Mallorca, SpainHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Impulsamos la energía del futuro en las Islas Baleares.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Pebblex	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “En Pebblex diseñamos y desplegamos sistemas de almacenamiento energético que hacen la transición renovable posible.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Voltaic Renovables S.L.U	Exact match	Olot, SpainHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “En Voltaic somos especialistas en soluciones de energía renovable para hogares e industrias.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Solcam Energia	Exact match	Riudoms, SpainHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Impulsamos la transición energética del sector industrial con soluciones integrales y de gran escala.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Solarcasa Energy	Exact match	Llagostera, SpainHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Som una companyia basada en la sostenibilitat i l'eficiència energètica, cercant tant el benefici econòmic com el el mediambiental.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Solar In Spain	Exact match	Pedreguer, SpainHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Solar in Spain es una consultora de energías renovables con sede en Valencia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Fundación EKI	Exact match	Getxo, SpainHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “En EKI damos acceso a la energía en África subsahariana con instalaciones solares, facilitando financiación solidaria y capacitación técnica.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Enersola Energía	Exact match	Sant Cugat Del Vallès, SpainHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “La experiencia nos avala.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Ethical Power Spain	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Ethical Power Spain is a group company of Ethical Power Group.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Crusol Proyectos E Instalaciones, S.L	Exact match	Cartagena, SpainHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Detrás de cada instalación fotovoltaica de Crusol hay algo que no se ve a simple vista, pero que lo cambia todo: ingeniería rigurosa.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Isgeneration Intelligent Systems Generation	Exact match	Puebla De Vallbona, SpainHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “En Intelligent Systems Generation SLU, somos líderes en la distribución de soluciones fotovoltaicas avanzadas.” 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 energy system providers”. 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 241 off-grid energy system providers based in Spain

See the full list, filter by size, metro and specialty, and access 232 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Off-grid energy system providers based in Spain at a glance

As of Sep 17, 2026

6.2%Verified-email coverage

15.6Average contacts per company

1-10Median size (employees)

14.1%Largest-city concentration · Madrid

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

139

11-50

51-200

201-500

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 241 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 “off-grid energy system providers” 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 232 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 energy system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many off-grid energy system providers are there based in Spain?

RevenueBase identified 241 company matches for off-grid energy system providers 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?

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

Which city has the most off-grid energy system providers?

Madrid leads with 34 company records, followed by Barcelona (10) and Valencia (7).

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 232 professional contacts with verified work emails tracked across these 241 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.