Company lists · Data refreshed September 2026

Top 24 Renewable energy suppliers based in Madrid, Spain

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 259 companies tracked

RevenueBase identified 259 renewable energy suppliers headquartered in Madrid, Spain as of September 2026 and tracks 15,215 professional contacts across them, including 1,080 with verified work emails. Madrid is the largest hub.

This list covers renewable energy suppliers headquartered in Madrid, 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 17, 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 17, 2026 86% judged on-target in blind review

259Companies

15,215Contacts tracked

1,080Verified emails

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The 24 largest renewable energy suppliers based in Madrid, Spain

Ranked by team size

Top 24 of 259 renewable energy suppliers based in Madrid, Spain, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to renewable energy suppliers: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Grenergy	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	501-1,000	699 contacts →
	Partial evidence “The on-demand energy producer empowering ever-changing lives Grenergy is a Spanish multinational clean energy producer.” Source: RevenueBase Database · checked Sep 17, 2026
2	IGNIS	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	501-1,000	533 contacts →
	Partial 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 17, 2026
3	X-Elio	Strong evidence	Madrid, SpainHQ checked Sep 17, 2026	201-500	466 contacts →
	Strong evidence “X-ELIO: global leader in the development of renewable energy projects.” Source: RevenueBase Database · checked Sep 17, 2026
4	Fotowatio Renewable Ventures FRV	Strong evidence	Madrid, SpainHQ checked Sep 17, 2026	201-500	339 contacts →
	Strong evidence “We are world leaders in providing comprehensive renewable energy solutions.” Source: RevenueBase Database · checked Sep 17, 2026
5	Solaria Energía Y Medio Ambiente	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	305 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 17, 2026
6	Sólida	Strong evidence	Madrid, SpainHQ checked Sep 17, 2026	201-500	298 contacts →
	Strong evidence “SÓLIDA, a Bureau Veritas Company, is an independent company founded in 2007 that provides high added-value engineering and consulting services within the renewable energy sector.” Source: RevenueBase Database · checked Sep 17, 2026
7	RIC Energy Group	Strong evidence	Madrid, SpainHQ checked Sep 17, 2026	201-500	216 contacts →
	Strong evidence “At RIC Energy, we aspire to change the trajectory of renewable energy and energy efficiency.” Source: RevenueBase Database · checked Sep 17, 2026
8	Exus Renewables	Strong evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	193 contacts →
	Strong 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 17, 2026
9	Elawan Energy	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	201-500	189 contacts →
	Partial 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 17, 2026
10	MAI Group	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	152 contacts →
	Partial evidence “MAI has been in international consultancy for over 25 years driving energy and environmental project around the world, helping to design and plan reliable supply systems based on…” Source: RevenueBase Database · checked Sep 17, 2026
11	Contigo Energía	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	110 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
12	Imenergy Power Plants S.L	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	103 contacts →
	Partial evidence “IMENERGY Power Plants S.L.(IMENERGY) es una compañía especializada en proyectos de generación de energía, principalmente de fuentes renovables.” Source: RevenueBase Database · checked Sep 17, 2026
13	POWEN	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	103 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
14	NESS	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	11-50	81 contacts →
	Partial evidence “NESS, empresa de servicios energéticos especializada en la gestión y ahorro energético.” Source: RevenueBase Database · checked Sep 17, 2026
15	Univergy Solar	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	71 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
16	Sferaone	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	61 contacts →
	Partial evidence “SferaOne, parte del Grupo Diggia, es una empresa que realiza actividades de proyección global desde 2002, especializada en la transición Energética desarrollando trabajos de…” Source: RevenueBase Database · checked Sep 17, 2026
17	Bluetree Group	Strong evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	60 contacts →
	Strong evidence “Helping investors and energy companies maximise renewable asset performance while keeping risk under control.” Source: RevenueBase Database · checked Sep 17, 2026
18	Gnera Energia	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	11-50	52 contacts →
	Partial evidence “The GNERA group was created to participate in the transition towards a new energy model, assuming the dual mission of integrating new energy sources and new technology, while…” Source: RevenueBase Database · checked Sep 17, 2026
19	LRP Energy	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	201-500	52 contacts →
	Partial evidence “Apostando por soluciones ecológicas, ofrecemos servicios que proporcionan independencia energética.” Source: RevenueBase Database · checked Sep 17, 2026
20	PODO	Indirect evidence	Madrid, SpainHQ checked Sep 17, 2026	11-50	51 contacts →
	Indirect evidence “Podo nació en 2016 con un objetivo muy claro: poner al alcance de las personas el mejor servicio y las tarifas más competitivas del sector.” Source: RevenueBase Database · checked Sep 17, 2026
21	Solar360 DE Repsol Y Movistar	Indirect evidence	Madrid, SpainHQ checked Sep 17, 2026	11-50	48 contacts →
	Indirect evidence “Esto es inteligencia solar En Repsol y Movistar hemos unido nuestra experiencia en innovación y tecnología para crear una nueva solución de autoconsumo.” Source: RevenueBase Database · checked Sep 17, 2026
22	Avalon Renovables	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	43 contacts →
	Partial evidence “En Avalon desarrollamos proyectos de energía solar y de generación de hidrogeno verde, prestando servicios en todas las fases necesarias para llevarlos hasta la Operación…” Source: RevenueBase Database · checked Sep 17, 2026
23	Prime Energy	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	42 contacts →
	Partial evidence “Somos Colaborador Oficial de IBERDROLA, grupo empresarial dedicado a la producción, distribución y comercialización de energía.” Source: RevenueBase Database · checked Sep 17, 2026
24	Comunidad Solar	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	11-50	35 contacts →
	Partial evidence “Acercamos la energía renovable a tu hogar: Construimos un nuevo modelo de relación entre la energía y las personas.” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: renewable energy suppliers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names renewable energy suppliers.
Partial evidence: Its own public description names part of renewable energy suppliers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name renewable energy suppliers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 24 of 259 renewable energy suppliers based in Madrid, Spain

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Renewable energy suppliers based in Madrid, Spain at a glance

As of Sep 17, 2026

7.1%Verified-email coverage

58.7Average contacts per company

11-50Median size (employees)

100.0%Largest-city concentration · Madrid

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

117

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole Spain list rather than for Madrid, so it is reported there. Company counts and contact totals on this page are exact for Madrid, over 259 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 renewable energy suppliers, 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 Madrid, Spain whose own description of what they do matches “renewable energy suppliers”. 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 renewable energy suppliers), 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 renewable energy suppliers, and records with no verified work email. Companies headquartered outside Madrid 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, 1,080 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 17, 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.

Renewable energy suppliers by metro in Spain

Renewable energy suppliers in Madrid259
Renewable energy suppliers in Barcelona76
Renewable energy suppliers in Sevilla48
Renewable energy suppliers in Valencia47
Renewable energy suppliers in Zaragoza32
Renewable energy suppliers in Murcia26

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 renewable energy suppliers, 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 renewable energy suppliers are there based in Madrid, Spain?

RevenueBase identified 259 renewable energy suppliers headquartered in Madrid, 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?

Grenergy, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most renewable energy suppliers?

Madrid leads with 259 headquartered companies, followed by Barcelona (76) and Sevilla (48).

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 1,080 verified decision-maker contacts tracked across these 259 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 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 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.