Company lists · Data refreshed September 2026
Top 25 Energy companies based in Spain
RevenueBase lists 392 energy companies based in Spain, with 35,434 business contacts and 3,055 email addresses. The directory covers organizations involved in producing, generating, transmitting, distributing, trading, or supplying energy. As of September 2026, Madrid is the single most-represented city among the companies on the list.
Energy companies produce, generate, transmit, distribute, trade, or supply energy and related energy products and services. This list covers companies that produce, generate, transmit, distribute, trade, or supply energy, including electricity, fuels, and renewable energy products. Ranked by team size, largest first. Data current as of September 6, 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.
The 25 largest energy companies based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,598 contacts → | ||||
Strong evidence “With more than 180 years of history, Iberdrola is today a global energy leader, the leading wind power producer and one of the largest electricity companies in the world in terms…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,646 contacts → | ||||
Strong evidence “Cepsa is a leading international company committed to sustainable mobility and energy with strong technical expertise after more than 90 years of activity.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,951 contacts → | ||||
Indirect evidence “Gas Natural Fenosa is a leading multi-national in the gas and power sectors.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | 3,185 contacts → | ||||
Strong evidence “Naturgy es un grupo multinacional del sector energético con más de 180 años de historia.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | 774 contacts → | ||||
Strong evidence “Estamos creado una nueva energía en el planeta.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | 533 contacts → | ||||
Strong 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 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | 371 contacts → | ||||
Indirect evidence “El holding ISASTUR está integrado por un conjunto de empresas con distintas actividades que por su tradición y experiencia están fundamentalmente vinculadas con el sector de la…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | 268 contacts → | ||||
Indirect evidence “The Spanish company MAETEL, with its head office located in the city of Zaragoza, which is integrated in the industrial division of ACS Group.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | 203 contacts → | ||||
Strong evidence “Somos una compañía española con más de 20 años en el sector energético.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | 202 contacts → | ||||
Strong evidence “Nexus Energía es una empresa energética cuyo buque insignia es la comercialización de electricidad y gas natural.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | 188 contacts → | ||||
Strong evidence “Fenie Energía es una comercializadora de energía formada por 1.800 empresas instaladoras eléctricas que serán su red comercial.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | 175 contacts → | ||||
Strong 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 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | 166 contacts → | ||||
Strong evidence “En Tradivel llevamos más de 20 años ofreciendo una amplia gama de servicios energéticos poniendo foco en la calidad del servicio y la satisfacción de nuestros clientes.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | 153 contacts → | ||||
Strong evidence “Nortegas es una compañía de infraestructuras y servicios energéticos que cuenta con más de un millón de clientes, tanto domésticos como industriales, a quienes suministra gas…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | 145 contacts → | ||||
Strong evidence “Hace 43 años nos pusimos al frente de una transformación energética.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | 144 contacts → | ||||
Strong evidence “Perteneciente a la división de energía del Grupo Villar Mir, se establece con el objetivo de poner al servicio de otras empresas su experiencia en la optimización de costes…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | 123 contacts → | ||||
Indirect evidence “Tot i que portem més de 100 anys en el sector elèctric, els nostres inicis són poc corrents.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | 111 contacts → | ||||
Indirect evidence “UFG was established in 1998 and it has been since then committed to the active participation in all the links of the natural gas value chain and in the infrastructure needed to…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | 93 contacts → | ||||
Strong evidence “Bienvenido a CHC Energía.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | 83 contacts → | ||||
Strong evidence “Somos una familia de energías con más de 30 años de experiencia, comprometidos con ofrecer soluciones diversificadas y sostenibles en el sector energético.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | 79 contacts → | ||||
Strong evidence “Somos Gana Energía, la compañía de luz sin líos.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | 69 contacts → | ||||
Strong evidence “Contáctanos en el 900 908 108 o info@odfenergia.es ODF Energía es una empresa que opera en el sector energético español.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | 65 contacts → | ||||
Strong evidence “The energy industry is broken: oligopolistic in nature, high and unpredictable prices, highly pollutant and mostly non-digital results in it being the worst rated industry in…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | 61 contacts → | ||||
Indirect evidence “Des de 1987 distribuïm i comercialitzem combustibles i carburants arreu de Catalunya.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | 55 contacts → | ||||
Strong evidence “Enerclic Innovatio es una empresa tecnológica española especializada en soluciones digitales avanzadas para el sector energético, con todos sus desarrollos diseñados y…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
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: energy 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 energy companies.
- Partial evidence
- Its own public description names part of energy companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy 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 392 energy companies based in Spain
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Energy companies based in Spain at a glance
As of Sep 6, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 energy 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 “energy 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 energy 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 energy 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, 3,055 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 6, 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.
Energy companies by metro
Frequently asked
What are energy companies?
Energy companies produce, generate, transmit, distribute, trade, or supply energy and related products and services.
How many energy companies are based in Spain?
The directory lists 392 energy companies based in Spain, with 35,434 business contacts and 3,055 email addresses.
Which city has the most energy companies in this list?
Madrid is the single most-represented city among the companies on the list.
Ready to reach these companies? Verified emails and direct dials for all 392 energy companies based in Spain. Start with a free account, no credit card.
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Energy companies by geography
- Energy companies based in the United States
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- Energy companies based in the Netherlands
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Browse the directory
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.
More company lists
Company intelligence · public preview
Top 25 energy companies based in Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 392 matching company records for energy companies based in Spain, with 35,434 tracked contacts and 3,055 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 energy companies based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Iberdrolaiberdrola.comHQ: Bilbao, SpainReported employees: 10001+ | Bilbao, Spain | 10001+ | Exact match | 7,598 contacts → |
“With more than 180 years of history, Iberdrola is today a global energy leader, the leading wind power producer and one of the largest electricity companies in the world in terms…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CEPSAcepsa.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 4,646 contacts → |
“Cepsa is a leading international company committed to sustainable mobility and energy with strong technical expertise after more than 90 years of activity.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  GAS Natural Fenosagasnaturalfenosa.comHQ: Barcelona, SpainReported employees: 10001+ | Barcelona, Spain | 10001+ | Exact match | 3,951 contacts → |
“Gas Natural Fenosa is a leading multi-national in the gas and power sectors.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Naturgynaturgy.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,185 contacts → |
“Naturgy es un grupo multinacional del sector energético con más de 180 años de historia.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  EDP Españaedpenergia.esHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 774 contacts → |
“Estamos creado una nueva energía en el planeta.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  IGNISignis.esHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 533 contacts → |
“We are a vertically integrated energy company and offer tailored solutions for large consumers and for new energy demands, such as data centers.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Isasturgrupoisastur.comHQ: Llanera, SpainReported employees: 1,001-5,000 | Llanera, Spain | 1,001-5,000 | Exact match | 371 contacts → |
“El holding ISASTUR está integrado por un conjunto de empresas con distintas actividades que por su tradición y experiencia están fundamentalmente vinculadas con el sector de la…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Maetelmaetel.comHQ: Zaragoza, SpainReported employees: 201-500 | Zaragoza, Spain | 201-500 | Exact match | 268 contacts → |
“The Spanish company MAETEL, with its head office located in the city of Zaragoza, which is integrated in the industrial division of ACS Group.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Capital Energycapitalenergy.comHQ: Pozuelo De Alarcón, SpainReported employees: 201-500 | Pozuelo De Alarcón, Spain | 201-500 | Exact match | 203 contacts → |
“Somos una compañía española con más de 20 años en el sector energético.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Nexus Energíanexusenergia.comHQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 202 contacts → |
“Nexus Energía es una empresa energética cuyo buque insignia es la comercialización de electricidad y gas natural.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Feníe Energíafenieenergia.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 188 contacts → |
“Fenie Energía es una comercializadora de energía formada por 1.800 empresas instaladoras eléctricas que serán su red comercial.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Greeninggreening-group.comHQ: Granada, SpainReported employees: 501-1,000 | Granada, Spain | 501-1,000 | Exact match | 175 contacts → |
“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 description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tradiveltradivel.comHQ: Alcorcón, SpainReported employees: 501-1,000 | Alcorcón, Spain | 501-1,000 | Exact match | 166 contacts → |
“En Tradivel llevamos más de 20 años ofreciendo una amplia gama de servicios energéticos poniendo foco en la calidad del servicio y la satisfacción de nuestros clientes.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Nortegasnortegas.esHQ: Bilbao, SpainReported employees: 201-500 | Bilbao, Spain | 201-500 | Exact match | 153 contacts → |
“Nortegas es una compañía de infraestructuras y servicios energéticos que cuenta con más de un millón de clientes, tanto domésticos como industriales, a quienes suministra gas…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Esergui - Aviaesergui.comHQ: Donostia - San Sebastián, SpainReported employees: 201-500 | Donostia - San Sebastián, Spain | 201-500 | Exact match | 145 contacts → |
“Hace 43 años nos pusimos al frente de una transformación energética.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Enérgya-Vmenergyavm.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 144 contacts → |
“Perteneciente a la división de energía del Grupo Villar Mir, se establece con el objetivo de poner al servicio de otras empresas su experiencia en la optimización de costes…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Estabanellestabanell.comHQ: Granollers, SpainReported employees: 201-500 | Granollers, Spain | 201-500 | Exact match | 123 contacts → |
“Tot i que portem més de 100 anys en el sector elèctric, els nostres inicis són poc corrents.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Union Fenosa GASunionfenosagas.comHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 111 contacts → |
“UFG was established in 1998 and it has been since then committed to the active participation in all the links of the natural gas value chain and in the infrastructure needed to…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  CHC Energíachcenergia.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 93 contacts → |
“Bienvenido a CHC Energía.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Nieves Energíanievesenergia.comHQ: Esparreguera, SpainReported employees: 51-200 | Esparreguera, Spain | 51-200 | Exact match | 83 contacts → |
“Somos una familia de energías con más de 30 años de experiencia, comprometidos con ofrecer soluciones diversificadas y sostenibles en el sector energético.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Gana Energíaganaenergia.comHQ: Valencia, SpainReported employees: 51-200 | Valencia, Spain | 51-200 | Exact match | 79 contacts → |
“Somos Gana Energía, la compañía de luz sin líos.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ODF Energíaodfenergia.esHQ: Seville, SpainReported employees: 51-200 | Seville, Spain | 51-200 | Exact match | 69 contacts → |
“Contáctanos en el 900 908 108 o info@odfenergia.es ODF Energía es una empresa que opera en el sector energético español.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Samarasamara.energy HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 65 contacts → |
“The energy industry is broken: oligopolistic in nature, high and unpredictable prices, highly pollutant and mostly non-digital results in it being the worst rated industry in…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Petrocat Grupo Repsolpetrocat.catHQ: Rubí, SpainReported employees: 201-500 | Rubí, Spain | 201-500 | Exact match | 61 contacts → |
“Des de 1987 distribuïm i comercialitzem combustibles i carburants arreu de Catalunya.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Enerclicenerclic.esHQ: Málaga, SpainReported employees: 51-200 | Málaga, Spain | 51-200 | Exact match | 55 contacts → |
“Enerclic Innovatio es una empresa tecnológica española especializada en soluciones digitales avanzadas para el sector energético, con todos sus desarrollos diseñados y…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 392 company matches
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Energy companies: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
389 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Energy companies by metro
Questions about this company list
What does Exact match mean for energy companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many energy companies did RevenueBase find based in Spain?
The saved snapshot records 392 matching company records, 35,434 tracked contacts and 3,055 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Energy companies by geography
- Energy companies based in the United States
- Energy companies based in Italy
- Energy companies based in Germany
- Energy companies based in the United Kingdom
- Energy companies based in Brazil
- Energy companies based in France
- Energy companies based in Canada
- Energy companies based in the Netherlands
- Energy companies based in Poland
- Energy companies based in Switzerland
- Energy companies based in Australia
- Energy companies based in Mexico
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 energy companies based in Spain. Snapshot: September 6, 2026. https://revenuebase.ai/companies/energy-companies/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 energy companies based in Spain
RevenueBase records 392 matching company records for energy companies based in Spain, with 35,434 tracked contacts and 3,055 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 energy companies based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Iberdrolaiberdrola.com HQ: Bilbao, SpainReported employees: 10001+ | Bilbao, Spain | 10001+ | Exact match | 7,598 contacts → |
“With more than 180 years of history, Iberdrola is today a global energy leader, the leading wind power producer and one of the largest electricity companies in the world in terms…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CEPSAcepsa.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 4,646 contacts → |
“Cepsa is a leading international company committed to sustainable mobility and energy with strong technical expertise after more than 90 years of activity.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | GAS Natural Fenosagasnaturalfenosa.com HQ: Barcelona, SpainReported employees: 10001+ | Barcelona, Spain | 10001+ | Exact match | 3,951 contacts → |
“Gas Natural Fenosa is a leading multi-national in the gas and power sectors.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Naturgynaturgy.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,185 contacts → |
“Naturgy es un grupo multinacional del sector energético con más de 180 años de historia.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | EDP Españaedpenergia.es HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 774 contacts → |
“Estamos creado una nueva energía en el planeta.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | IGNISignis.es HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 533 contacts → |
“We are a vertically integrated energy company and offer tailored solutions for large consumers and for new energy demands, such as data centers.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Isasturgrupoisastur.com HQ: Llanera, SpainReported employees: 1,001-5,000 | Llanera, Spain | 1,001-5,000 | Exact match | 371 contacts → |
“El holding ISASTUR está integrado por un conjunto de empresas con distintas actividades que por su tradición y experiencia están fundamentalmente vinculadas con el sector de la…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Maetelmaetel.com HQ: Zaragoza, SpainReported employees: 201-500 | Zaragoza, Spain | 201-500 | Exact match | 268 contacts → |
“The Spanish company MAETEL, with its head office located in the city of Zaragoza, which is integrated in the industrial division of ACS Group.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Capital Energycapitalenergy.com HQ: Pozuelo De Alarcón, SpainReported employees: 201-500 | Pozuelo De Alarcón, Spain | 201-500 | Exact match | 203 contacts → |
“Somos una compañía española con más de 20 años en el sector energético.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Nexus Energíanexusenergia.com HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 202 contacts → |
“Nexus Energía es una empresa energética cuyo buque insignia es la comercialización de electricidad y gas natural.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Feníe Energíafenieenergia.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 188 contacts → |
“Fenie Energía es una comercializadora de energía formada por 1.800 empresas instaladoras eléctricas que serán su red comercial.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Greeninggreening-group.com HQ: Granada, SpainReported employees: 501-1,000 | Granada, Spain | 501-1,000 | Exact match | 175 contacts → |
“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 description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tradiveltradivel.com HQ: Alcorcón, SpainReported employees: 501-1,000 | Alcorcón, Spain | 501-1,000 | Exact match | 166 contacts → |
“En Tradivel llevamos más de 20 años ofreciendo una amplia gama de servicios energéticos poniendo foco en la calidad del servicio y la satisfacción de nuestros clientes.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nortegasnortegas.es HQ: Bilbao, SpainReported employees: 201-500 | Bilbao, Spain | 201-500 | Exact match | 153 contacts → |
“Nortegas es una compañía de infraestructuras y servicios energéticos que cuenta con más de un millón de clientes, tanto domésticos como industriales, a quienes suministra gas…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Esergui - Aviaesergui.com HQ: Donostia - San Sebastián, SpainReported employees: 201-500 | Donostia - San Sebastián, Spain | 201-500 | Exact match | 145 contacts → |
“Hace 43 años nos pusimos al frente de una transformación energética.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Enérgya-Vmenergyavm.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 144 contacts → |
“Perteneciente a la división de energía del Grupo Villar Mir, se establece con el objetivo de poner al servicio de otras empresas su experiencia en la optimización de costes…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Estabanellestabanell.com HQ: Granollers, SpainReported employees: 201-500 | Granollers, Spain | 201-500 | Exact match | 123 contacts → |
“Tot i que portem més de 100 anys en el sector elèctric, els nostres inicis són poc corrents.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Union Fenosa GASunionfenosagas.com HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 111 contacts → |
“UFG was established in 1998 and it has been since then committed to the active participation in all the links of the natural gas value chain and in the infrastructure needed to…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CHC Energíachcenergia.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 93 contacts → |
“Bienvenido a CHC Energía.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Nieves Energíanievesenergia.com HQ: Esparreguera, SpainReported employees: 51-200 | Esparreguera, Spain | 51-200 | Exact match | 83 contacts → |
“Somos una familia de energías con más de 30 años de experiencia, comprometidos con ofrecer soluciones diversificadas y sostenibles en el sector energético.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gana Energíaganaenergia.com HQ: Valencia, SpainReported employees: 51-200 | Valencia, Spain | 51-200 | Exact match | 79 contacts → |
“Somos Gana Energía, la compañía de luz sin líos.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ODF Energíaodfenergia.es HQ: Seville, SpainReported employees: 51-200 | Seville, Spain | 51-200 | Exact match | 69 contacts → |
“Contáctanos en el 900 908 108 o info@odfenergia.es ODF Energía es una empresa que opera en el sector energético español.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Samarasamara.energy HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 65 contacts → |
“The energy industry is broken: oligopolistic in nature, high and unpredictable prices, highly pollutant and mostly non-digital results in it being the worst rated industry in…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Petrocat Grupo Repsolpetrocat.cat HQ: Rubí, SpainReported employees: 201-500 | Rubí, Spain | 201-500 | Exact match | 61 contacts → |
“Des de 1987 distribuïm i comercialitzem combustibles i carburants arreu de Catalunya.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Enerclicenerclic.es HQ: Málaga, SpainReported employees: 51-200 | Málaga, Spain | 51-200 | Exact match | 55 contacts → |
“Enerclic Innovatio es una empresa tecnológica española especializada en soluciones digitales avanzadas para el sector energético, con todos sus desarrollos diseñados y…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 392 company matches
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Energy companies: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
389 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Energy companies by metro
Questions about this company list
What does Exact match mean for energy companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many energy companies did RevenueBase find based in Spain?
The saved snapshot records 392 matching company records, 35,434 tracked contacts and 3,055 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 energy companies based in Spain. Snapshot: September 6, 2026. https://revenuebase.ai/companies/energy-companies/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗