Company lists · Data refreshed September 2026

Top 25 Distributed energy resource companies based in Spain

Name: Distributed energy resource companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 221 companies tracked

RevenueBase identified 221 distributed energy resource companies headquartered in Spain as of September 2026 and tracks 5,043 professional contacts across them, including 608 with verified work emails. Madrid is the largest hub.

This list covers distributed energy resource companies 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 16, 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 16, 2026 86% judged on-target in blind review

221Companies

5,043Contacts tracked

608Verified emails

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The 25 largest distributed energy resource companies based in Spain

Ranked by team size

Top 25 of 221 distributed energy resource companies based in Spain, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to distributed energy resource companies: 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 16, 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 16, 2026
2	Holaluz	Strong evidence	Barcelona, SpainHQ checked Sep 16, 2026	201-500	345 contacts →
	Strong 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 16, 2026
3	Exus Renewables	Partial evidence	Madrid, SpainHQ checked Sep 16, 2026	51-200	193 contacts →
	Partial 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 16, 2026
4	Matrix Renewables	Partial evidence	Madrid, SpainHQ checked Sep 16, 2026	51-200	147 contacts →
	Partial evidence “Matrix Renewables is a global renewable energy platform created and backed by global alternative asset manager TPG and its $31 billion impact-investing platform.” Source: RevenueBase Database · checked Sep 16, 2026
5	ESR Energy Solutions	Partial evidence	Sant Boi De Llobregat, SpainHQ checked Sep 16, 2026	51-200	125 contacts →
	Partial evidence “Somos ESR Energy Solutions y llevamos más de 10 años llevando la energía solar a miles de hogares.” Source: RevenueBase Database · checked Sep 16, 2026
6	Diverxia	Indirect evidence	Valencia, SpainHQ checked Sep 16, 2026	51-200	83 contacts →
	Indirect evidence “Diverxia is a global company focused on the development and execution of large-scale renewable projects.” Source: RevenueBase Database · checked Sep 16, 2026
7	Hesstec Hybrid Energy Storage Solutions LTD	Partial evidence	Paterna, SpainHQ checked Sep 16, 2026	11-50	61 contacts →
	Partial evidence “Hybrid Energy Storage Solution Ltd.(hereinafter called HESS Ltd.) is a technological solution provider, pioneer in creating hybrid energy storage solutions (HESS), optimized in…” Source: RevenueBase Database · checked Sep 16, 2026
8	Arena Green Power	Partial evidence	Seville, SpainHQ checked Sep 16, 2026	51-200	61 contacts →
	Partial evidence “ARENA Green Power is an independent Renewable Energy company focused in the Development, Construction and Operation of proprietary projects and also in providing turnkey…” Source: RevenueBase Database · checked Sep 16, 2026
9	Ampere Energy	Partial evidence	Puzol, SpainHQ checked Sep 16, 2026	51-200	56 contacts →
	Partial evidence “Welcome to the new energy model.” Source: RevenueBase Database · checked Sep 16, 2026
10	Gnera Energia	Partial evidence	Madrid, SpainHQ checked Sep 16, 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 16, 2026
11	Energy Solar Tech	Partial evidence	Las Rozas De Madrid, SpainHQ checked Sep 16, 2026	201-500	51 contacts →
	Partial evidence “We are disrupting the energy industry to change the world for better.” Source: RevenueBase Database · checked Sep 16, 2026
12	Planea Energía	Partial evidence	Albacete, SpainHQ checked Sep 16, 2026	51-200	51 contacts →
	Partial evidence “Somos comercializadora y generadores de energía renovable, ofrecemos propuestas claras, trato directo y servicio a tu medida, sin rodeos ni letra pequeña.” Source: RevenueBase Database · checked Sep 16, 2026
13	Solar360 DE Repsol Y Movistar	Indirect evidence	Madrid, SpainHQ checked Sep 16, 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 16, 2026
14	1komma5 ES	Partial evidence	Cerdanyola Del Vallès, SpainHQ checked Sep 16, 2026	51-200	39 contacts →
	Partial evidence “Nuestra visión es hacer que todos podamos vivir de las energías renovables para siempre y gratis.” Source: RevenueBase Database · checked Sep 16, 2026
15	Enchufesolar	Indirect evidence	Lucena, SpainHQ checked Sep 16, 2026	11-50	38 contacts →
	Indirect evidence “En EnchufeSolar trabajamos para hacer fácil lo complejo.” Source: RevenueBase Database · checked Sep 16, 2026
16	Comunidad Solar	Partial evidence	Madrid, SpainHQ checked Sep 16, 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 16, 2026
17	Ingenium	Partial evidence	Valencia, SpainHQ checked Sep 16, 2026	11-50	33 contacts →
	Partial evidence “INGENIUM GROUP is an international energy group specialized in the development and investment in renewable energy projects, with a presence in Italy, Spain, and Germany.” Source: RevenueBase Database · checked Sep 16, 2026
18	Naturelek Energía E Ingeniería	Partial evidence	Derio, SpainHQ checked Sep 16, 2026	51-200	30 contacts →
	Partial evidence “Somos una ingeniería y consultora especializada en eficiencia, gestión y transformación energética para empresas, con un enfoque técnico, integral y orientado a resultados.” Source: RevenueBase Database · checked Sep 16, 2026
19	Benbros	Partial evidence	Madrid, SpainHQ checked Sep 16, 2026	11-50	25 contacts →
	Partial evidence “Benbros nace con la vocación de ser líder en el sector de las energías renovables, ayudando a crear un planeta más sostenible, contribuyendo a la descarbonización del mismo…” Source: RevenueBase Database · checked Sep 16, 2026
20	Atalaya Generacion	Partial evidence	Zaragoza, SpainHQ checked Sep 16, 2026	11-50	23 contacts →
	Partial evidence “ATALAYA GENERACION is a renewable energy development company focused on large scale projects in the Spanish solar and wind sectors.” Source: RevenueBase Database · checked Sep 16, 2026
21	MASPV	Partial evidence	Madrid, SpainHQ checked Sep 16, 2026	11-50	20 contacts →
	Partial evidence “Solar Energy Experts ¿Sabes que puedes tener energía solar sin inversión inicial?” Source: RevenueBase Database · checked Sep 16, 2026
22	Sonnen Spain	Partial evidence	Olot, SpainHQ checked Sep 16, 2026	11-50	18 contacts →
	Partial evidence “La energía limpia y asequible para todos es uno de los mayores desafíos de nuestro tiempo.” Source: RevenueBase Database · checked Sep 16, 2026
23	Stratenergy	Partial evidence	Derio, SpainHQ checked Sep 16, 2026	11-50	18 contacts →
	Partial evidence “Como líderes en servicios energéticos, estamos comprometidos con mejorar la eficiencia energética, promover el autoconsumo solar fotovoltaico, fomentar la movilidad eléctrica e…” Source: RevenueBase Database · checked Sep 16, 2026
24	Solar Europe	Partial evidence	Cullar Vega, SpainHQ checked Sep 16, 2026	11-50	17 contacts →
	Partial evidence “En Solar Europe llevamos más de 20 años impulsando la transición energética con soluciones que combinan innovación, excelencia técnica y compromiso con la sostenibilidad.” Source: RevenueBase Database · checked Sep 16, 2026
25	Opengy	Partial evidence	Alcobendas, SpainHQ checked Sep 16, 2026	11-50	16 contacts →
	Partial evidence “Somos una empresa especializada en nuevas soluciones de suministro y gestión de energía eléctrica renovable (autoconsumo, autogeneración, PPAs) para empresas.” Source: RevenueBase Database · checked Sep 16, 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: distributed energy resource companies. 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 distributed energy resource companies.
Partial evidence: Its own public description names part of distributed energy resource companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name distributed energy resource companies. 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 25 of 221 distributed energy resource companies based in Spain

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Distributed energy resource companies based in Spain at a glance

As of Sep 16, 2026

12.1%Verified-email coverage

22.8Average contacts per company

11-50Median size (employees)

22.2%Largest-city concentration · Madrid

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

101

11-50

51-200

201-500

501-1,000

1,001-5,000

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 221 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 distributed energy resource companies, 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 “distributed energy resource companies”. 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 distributed energy resource companies), 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 distributed energy resource companies, 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, 608 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 16, 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.

Distributed energy resource companies by metro

Distributed energy resource companies in Madrid49

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 distributed energy resource companies, 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 distributed energy resource companies are there based in Spain?

RevenueBase identified 221 distributed energy resource companies 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?

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

Which city has the most distributed energy resource companies?

Madrid leads with 49 headquartered companies, followed by Barcelona (13) and Sevilla (9).

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 608 verified decision-maker contacts tracked across these 221 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 16, 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.