Company lists · Data refreshed September 2026

Top 22 Renewable energy investors based in Spain

Name: Renewable energy investors based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 306 companies tracked

RevenueBase identified 306 company matches for renewable energy investors associated with Spain as of September 2026 and tracks 13,356 professional contacts across them, including 2,369 with verified work emails. Madrid is the largest hub.

This list covers company matches for renewable energy investors 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

306Companies

13,356Contacts tracked

2,369Verified emails

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The 22 largest renewable energy investors based in Spain

Ranked by team size

Top 22 of 306 company matches for renewable energy investors 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	Zelestra	Exact match	SpainHQ recorded Sep 17, 2026	501-1,000	929 contacts →
	Exact match “At Zelestra, we are on a mission to change the world by making decarbonization a reality for our partners.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	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
3	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
4	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
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	Opdenergy	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	201-500	230 contacts →
	Exact match “Opdenergy is an Independent Power Producer (IPP) with more than 20 years of experience, operating in Europe, the United States, and Latin America.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	RIC Energy Group	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	201-500	216 contacts →
	Exact match “At RIC Energy, we aspire to change the trajectory of renewable energy and energy efficiency.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	ID Energy Group	Exact match	Ciudad Real, SpainHQ recorded Sep 17, 2026	201-500	210 contacts →
	Exact match “ID Energy Group is an international corporate group that is dedicated to renewable energy and specialised in solar photovoltaic energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	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
11	Exus Renewables	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	51-200	193 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	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
13	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
14	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
15	Matrix Renewables	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	51-200	147 contacts →
	Exact match “Matrix Renewables is a global renewable energy platform created and backed by global alternative asset manager TPG and its $31 billion impact-investing platform.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	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
17	Plenium Partners	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	201-500	124 contacts →
	Exact match “Founded in 2007, Plenium Partners is an investment company focused on power and sustainable infrastructure in Europe More than 7.5Bn invested to date,+300 employees, 5 countries…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Ríos Renovables	Exact match	Fustiñana, SpainHQ recorded Sep 17, 2026	201-500	95 contacts →
	Exact match “RÍOS Renovables Group es un grupo empresarial consolidado en el mercado de las energías renovables.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Grupo Zaragozá	Exact match	Valencia, SpainHQ recorded Sep 17, 2026	51-200	88 contacts →
	Exact match “We have history, we’re present, creating future” Zaragozá Group is a group that has grown and adapted to the business opportunities that have arisen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	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
21	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
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

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 “renewable energy investors”. 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 22 of 306 renewable energy investors based in Spain

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Renewable energy investors based in Spain at a glance

As of Sep 17, 2026

17.7%Verified-email coverage

43.6Average contacts per company

11-50Median size (employees)

31.4%Largest-city concentration · Madrid

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

101

11-50

126

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 306 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 “renewable energy investors” 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 2,369 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 “renewable energy investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy investors are there based in Spain?

RevenueBase identified 306 company matches for renewable energy investors 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?

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

Which city has the most renewable energy investors?

Madrid leads with 96 company records, followed by Seville (17) and Barcelona (16).

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 2,369 professional contacts with verified work emails tracked across these 306 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.