Company lists · Data refreshed September 2026

Top 21 Solar farm operators based in Spain

RevenueBase identified 890 solar farm operators headquartered in Spain as of September 2026 and tracks 20,790 professional contacts across them, including 3,402 with verified work emails. Madrid is the largest hub.

This list covers solar farm operators headquartered in Spain, 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 18, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 18, 2026 86% judged on-target in blind review
890Companies
20,790Contacts tracked
3,402Verified emails
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The 21 largest solar farm operators based in Spain

Ranked by team size
Top 21 of 890 solar farm operators based in Spain, ranked by team size, largest first. Data refreshed Sep 18, 2026. RevenueBase Smart Search rates how each company's information relates to solar farm operators: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSpainHQ checked Sep 18, 2026501-1,000929 contacts →

Indirect evidence

“At Zelestra, we are on a mission to change the world by making decarbonization a reality for our partners.”

Source: RevenueBase Database · checked Sep 18, 2026
2Indirect evidenceMadrid, SpainHQ checked Sep 18, 2026501-1,000699 contacts →

Indirect evidence

“The on-demand energy producer empowering ever-changing lives Grenergy is a Spanish multinational clean energy producer.”

Source: RevenueBase Database · checked Sep 18, 2026
3Indirect evidenceValencia, SpainHQ checked Sep 18, 2026501-1,000538 contacts →

Indirect evidence

“GRUPOTEC - Empresa multidisciplinar de ingeniería y arquitectura y líder en el sector de la energía fotovoltaica.”

Source: RevenueBase Database · checked Sep 18, 2026
4Indirect evidenceMadrid, SpainHQ checked Sep 18, 2026501-1,000533 contacts →

Indirect evidence

“We are a vertically integrated energy company and offer tailored solutions for large consumers and for new energy demands, such as data centers.”

Source: RevenueBase Database · checked Sep 18, 2026
5Indirect evidenceMadrid, SpainHQ checked Sep 18, 2026201-500466 contacts →

Indirect evidence

“X-ELIO: global leader in the development of renewable energy projects.”

Source: RevenueBase Database · checked Sep 18, 2026
6Partial evidenceBarcelona, SpainHQ checked Sep 18, 2026201-500345 contacts →

Partial evidence

“Building the most impactful green energy community in Europe by unleashing the full potential of electrifying energy demand by scaling distributed Solar and Storage.”

Source: RevenueBase Database · checked Sep 18, 2026
7Indirect evidenceMadrid, SpainHQ checked Sep 18, 2026201-500339 contacts →

Indirect evidence

“We are world leaders in providing comprehensive renewable energy solutions.”

Source: RevenueBase Database · checked Sep 18, 2026
8Partial evidenceMadrid, SpainHQ checked Sep 18, 202651-200305 contacts →

Partial evidence

“Solaria Energía y Medio Ambiente is a company dedicated to selling carbon free energy generated by its solar plants.”

Source: RevenueBase Database · checked Sep 18, 2026
9Partial evidenceAlcobendas, SpainHQ checked Sep 18, 20261,001-5,000295 contacts →

Partial evidence

“Gransolar is a group of vertically integrated companies specialized in photovoltaic solar energy.”

Source: RevenueBase Database · checked Sep 18, 2026
10Partial evidenceZaragoza, SpainHQ checked Sep 18, 202651-200262 contacts →

Partial evidence

“Enerland nace en España en el año 2007 con el objetivo de ser líder del mercado solar fotovoltaico internacional, proporcionando soluciones Llaves en Mano a sus clientes en…”

Source: RevenueBase Database · checked Sep 18, 2026
11Indirect evidenceAlcorcón, SpainHQ checked Sep 18, 2026201-500253 contacts →

Indirect evidence

“Nacemos en enero de 2014 con vocación de ser un referente en el desarrollo de las áreas de servicios de empresas de energía renovable a nivel nacional e internacional.”

Source: RevenueBase Database · checked Sep 18, 2026
12Indirect evidenceMadrid, SpainHQ checked Sep 18, 2026201-500230 contacts →

Indirect evidence

“Opdenergy is an Independent Power Producer (IPP) with more than 20 years of experience, operating in Europe, the United States, and Latin America.”

Source: RevenueBase Database · checked Sep 18, 2026
13Indirect evidenceMadrid, SpainHQ checked Sep 18, 2026201-500216 contacts →

Indirect evidence

“At RIC Energy, we aspire to change the trajectory of renewable energy and energy efficiency.”

Source: RevenueBase Database · checked Sep 18, 2026
14Partial evidenceCiudad Real, SpainHQ checked Sep 18, 2026201-500210 contacts →

Partial evidence

“ID Energy Group is an international corporate group that is dedicated to renewable energy and specialised in solar photovoltaic energy.”

Source: RevenueBase Database · checked Sep 18, 2026
15Partial evidenceBarcelona, SpainHQ checked Sep 18, 202651-200205 contacts →

Partial evidence

“Enerside is a fast-growing, fully integrated solar photovoltaic platform with a global presence and headquarters in Barcelona, Spain.”

Source: RevenueBase Database · checked Sep 18, 2026
16Partial evidenceLlinars Del Vallès, SpainHQ checked Sep 18, 2026501-1,000199 contacts →

Partial evidence

“SolarProfit es la compañía líder especializada en energías renovables, como energía solar fotovoltaica y sistemas de aerotermia.”

Source: RevenueBase Database · checked Sep 18, 2026
17Indirect evidenceMadrid, SpainHQ checked Sep 18, 202651-200193 contacts →

Indirect evidence

“Exus Renewables Europe is an Energy Solutions Provider active across the full energy value chain, from development and construction to ownership, operations, and third-party asset…”

Source: RevenueBase Database · checked Sep 18, 2026
18Indirect evidenceMadrid, SpainHQ checked Sep 18, 2026201-500189 contacts →

Indirect evidence

“With more than 200 employees and a growing workforce, Elawan Energy provides integrated solutions across the clean energy lifecycle, from the promotion, development, and…”

Source: RevenueBase Database · checked Sep 18, 2026
19Indirect evidenceGranada, SpainHQ checked Sep 18, 2026501-1,000175 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 18, 2026
20Indirect evidenceLugo, SpainHQ checked Sep 18, 2026201-500174 contacts →

Indirect evidence

“Norvento is a Renewable Energy and Technology family business with a Spanish capital structure.”

Source: RevenueBase Database · checked Sep 18, 2026
21Partial evidenceMieres, SpainHQ checked Sep 18, 2026501-1,000155 contacts →

Partial evidence

“Rioglass Solar is an international renewable energy company with more than 15 years of experience in the solar power industry.”

Source: RevenueBase Database · checked Sep 18, 2026

Showing 21 of 890 solar farm operators based in Spain

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Solar farm operators based in Spain at a glance

As of Sep 18, 2026
16.4%Verified-email coverage
23.4Average contacts per company
11-50Median size (employees)
19.6%Largest-city concentration · Madrid
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
376
11-50
340
51-200
103
201-500
36
501-1,000
15
1,001-5,000
7
5,001-10,000
2
10001+
4

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 890 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 farm operators, 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 Spain whose own description of what they do matches “solar farm operators”. 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 farm operators), 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 farm operators, and records with no verified work email. Companies headquartered outside Spain 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, 3,402 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 18, 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 farm operators, 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 farm operators are there based in Spain?

RevenueBase identified 890 solar farm operators headquartered in Spain 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?

Zelestra, headquartered in Spain, tops this list with the largest team on record.

Which city has the most solar farm operators?

Madrid leads with 174 headquartered companies, followed by Barcelona (39) and Sevilla (34).

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 3,402 verified decision-maker contacts tracked across these 890 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 18, 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.