Company lists · Data refreshed November 2026

Top 23 Off-grid system installers based in Spain

RevenueBase identified 855 company matches for off-grid system installers associated with Spain as of November 2026 and tracks 7,394 professional contacts across them, including 778 with verified work emails. Madrid is the largest hub.

This list covers company matches for off-grid system installers 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 November 6, 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 Nov 6, 2026 How this list was built
855Companies
7,394Contacts tracked
778Verified emails
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The 23 largest off-grid system installers based in Spain

Ranked by team size
Top 23 of 855 company matches for off-grid system installers based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, SpainHQ recorded Nov 6, 20265,001-10,0001,358 contacts →

Exact match

“En Zener crecemos acelerando el crecimiento de nuestros clientes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPeligros, SpainHQ recorded Nov 6, 2026201-500333 contacts →

Exact match

“Somos un grupo energético global verticalmente integrado con más de 25 años de trayectoria y presencia consolidada en Europa, América y Asia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSant Boi De Llobregat, SpainHQ recorded Nov 6, 202651-200140 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGranada, SpainHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“CANSOL ENERGY SOLUTIONS, construyendo un futuro sostenible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSta Cruz De Tenerife, SpainHQ recorded Nov 6, 202651-200122 contacts →

Exact match

“Somos un equipo de profesionales especializados en energías renovables.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLogroño, SpainHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“La evolución creciente de las demandas de consumo energético, la escasez de recursos no renovables y su impacto ambiental han supuesto en un breve lapso de tiempo el uso cada vez…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchZaragoza, SpainHQ recorded Nov 6, 202651-20055 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“Esto es inteligencia solar En Repsol y Movistar hemos unido nuestra experiencia en innovación y tecnología para crear una nueva solución de autoconsumo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMadrid, SpainHQ recorded Nov 6, 2026201-50051 contacts →

Exact match

“Apostando por soluciones ecológicas, ofrecemos servicios que proporcionan independencia energética.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCerdanyola Del Vallès, SpainHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“Nuestra visión es hacer que todos podamos vivir de las energías renovables para siempre y gratis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLas Rozas De Madrid, SpainHQ recorded Nov 6, 2026201-50044 contacts →

Exact match

“We are disrupting the energy industry to change the world for better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSalteras, SpainHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Empresa de planificación y ejecución de instalaciones fotovoltaicas (para autoconsumo, aisladas o de bombeo solar)”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBurgos, SpainHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Fundada en 2006 Norsol es una compañía especializada en energía solar fotovoltaica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSiero, SpainHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Electricidad Llano se crea en el año 1990 para dar servicio a las crecientes necesidades en instalaciones eléctricas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGranada, SpainHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Lidera el cambio a la energía 100% renovable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAiós, SpainHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Somos expertos en el sector eléctrico, especialmente en la instalación de energías renovables, como empresa puntera a nivel nacional e internacional, y contamos con las…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAlicante, SpainHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Especialistas en instalación y montaje de proyectos fotovoltaicos Conócenos Volcados plenamente en la construcción y mantenimiento de instalaciones fotovoltaicas, Solar Works nace…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5038 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCastalla, SpainHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Somos especialistas en el diseño e instalación de proyectos fotovoltaicos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDerio, SpainHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Somos una ingeniería y consultora especializada en eficiencia, gestión y transformación energética para empresas, con un enfoque técnico, integral y orientado a resultados.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchTudela, SpainHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Empresa especializada en la Ejecución y Mantenimiento de proyectos de energías renovables.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAizoain, SpainHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Puntos recarga vehículo eléctrico Renovables: fotoeléctrica y aerotermina Instalaciones y reparaciones de alta y baja tensión Mantenimiento Industrial Cuadros Eléctricos Proyectos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“ALISEA es una de las Empresas de Servicios Energéticos pionera en España especializada en promover proyectos de eficiencia energética, por medio del diseño y soluciones para el…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 23 of 855 off-grid system installers based in Spain

See the full list, filter by size, metro and specialty, and access 778 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Off-grid system installers based in Spain at a glance

As of Nov 6, 2026
10.5%Verified-email coverage
8.6Average contacts per company
1-10Median size (employees)
10.5%Largest-city concentration · Madrid
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
451
11-50
325
51-200
51
201-500
13
501-1,000
1
5,001-10,000
2

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 855 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 system installers” 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 778 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 November 6, 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.

Off-grid system installers by metro

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 system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 855 company matches for off-grid system installers associated with Spain as of November 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?

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

Which city has the most off-grid system installers?

Madrid leads with 90 company records, followed by Barcelona (23) and Valencia (20).

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 778 professional contacts with verified work emails tracked across these 855 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 November 6, 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.