leaging companies energy spain

Discover the leading companies in the Spanish energy sector, including giants in electricity, gas, and renewable energies. This list explores the main players driving Spain's energy transition, from providers with significant market share to innovators in solar and wind power. It analyzes their impact on energy generation and distribution, as well as their contribution to the national energy landscape. This is an essential guide to understanding the most influential companies and their role in the country's energy future.

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  1. 1

    Endesa

    386 Global Votes
    • Holds 33% market share

    Endesa is a fundamental player in the Spanish energy sector, holding the largest market share in electricity sales in 2022 and an installed renewable capacity of 11.3 GW. The company actively drives the energy transition in Spain, investing in solar and wind energy projects and significantly contributing to national renewable energy targets.

  2. 2

    Iberdrola

    0 Global Votes
    • Highest ranked Spanish energy company

      (+1)

    Iberdrola is a Spanish multinational electric utility company based in Bilbao, recognized for its global leadership in electrification and decarbonization. The company is a benchmark in renewable energy and electrical grids, managing large-scale projects such as Europe's largest photovoltaic plant.

  3. 3

    Acciona Energía

    0 Global Votes
    • Involved in clean energy

      (+2)

    ACCIONA Energía is the world's largest 100% renewable energy company, distinguished by its exclusive commitment to clean sources and its lack of fossil fuel legacy. The company develops comprehensive solutions for the decarbonization of the economy, including renewable energy production and sales, energy storage, and sustainable infrastructure projects.

  4. 4

    EDPR (EDP Renewables)

    0 Global Votes
    • Fourth in the world in wind energy based on net installed capacity

      (+2)

    EDP Renewables is a leading player in the Spanish energy sector, with a clear focus on renewable energies and decarbonization. The company is the fourth-largest wind energy producer globally and is developing innovative wind-solar hybridization and storage projects in Spain, solidifying its leadership in the country's energy transition.

  5. 5

    Capital Energy

    0 Global Votes
    • Specializes in renewable energy

      (+4)

    Capital Energy is a leading Spanish company in renewable energy development, boasting one of the largest independent wind and solar project platforms on the Iberian Peninsula. Its commitment to sustainability and innovation positions it as a key player in the country's energy transition, driving the production and storage of 100% renewable energy.

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  7. 6

    Nexus Energía

    0 Global Votes
    • Sixth largest energy trader in Spain

      (+2)

    Nexus Energía is a key electricity and natural gas supplier in Spain, with a strong presence in the Catalan market and significant revenue. Its focus on renewable energy commercialization and energy efficiency positions it as an important player in the country's energy transition. The company has demonstrated its ability to secure major contracts, such as supplying the Catalan government, which underscores its relevance in the sector.

  8. 7

    ALTEN Energías Renovables

    0 Global Votes

    ALTEN Energías Renovables demonstrates extensive international expertise in the development and management of photovoltaic projects, covering the entire value chain. The company has successfully launched significant projects in Spain, such as the 13MW plant in El Casar, and continues to develop new solar installations.

  9. 8

    Elawan Energy

    0 Global Votes
    • Global leader in renewable energy

      (+4)

    Elawan Energy is a leading company in Spain's renewable energy sector, with over 10 GW of promoted capacity across wind, solar, and hydroelectric projects. It has secured financing for 175 MW of hydropower capacity in Spain and actively develops new solar and wind projects within the country. Its focus on continuous innovation and integrated solutions positions it as a key player in the Spanish energy transition.

  10. 9

    GNERA Energía

    0 Global Votes
    • Positioned among the main representative agents in Spain

      (+4)

    GNERA Energy is a fundamental player in the Spanish electricity market, managing and optimizing the sale of electricity from renewable energy producers. The company has positioned itself among the top 4 representative agents in Spain, with a portfolio of facilities totaling 2,517 MW of capacity.

  11. 10

    Petronor

    0 Global Votes
    • Leading industrial company in Bizkaia

      (+4)

    Petronor is a leading company in Spain's energy transition, driving large-scale renewable hydrogen projects. Its hydrogen hub in Muskiz, featuring electrolyzers up to 100 MW, is crucial for industrial decarbonization and the production of sustainable fuels in the north of the country.

  12. 11

    Matrix Renewables

    0 Global Votes
    • Develops, builds, finances, and operates renewable energy assets

      (+4)

    Matrix Renewables is a leading company in Spain's renewable energy sector, distinguished by its Independent Power Producer model and TPG backing. The company drives the energy transition through the development and operation of solar and storage projects, strengthening the country's clean energy infrastructure.

  13. 12

    Delfos Energy

    0 Global Votes
    • AI-powered APM for wind, solar, BESS and hydro

      (+4)

    Delfos Energy is a leading company in Spain due to its innovative AI-powered performance platform for renewable energy portfolios. Its technology cuts downtime by up to 18% and enables faster monitoring, optimizing the efficiency and reliability of energy assets. The company significantly contributes to the digital transformation and sustainability of the Spanish energy sector.

Frequently asked questions

This ranking evaluates leading companies in the Spanish energy sector, including their market share, presence in renewable energy, and participation in electricity generation.
Relevance is determined by factors such as market share in the electricity and renewable energy sectors, generation capacity, and presence in the Spanish market.
The results reflect the position of companies based on their impact and dominance in the Spanish energy market, highlighting the main operators in different segments of the sector.
Yes, the ranking considers the participation of companies in the renewable energy market in Spain, including the main operators in this segment.

How we built this ranking and what to consider when choosing

This ranking has been developed to identify the leading companies in the Spanish energy sector, based on public information regarding their market share and activity.

  • The market share of companies in the electricity and gas sectors in Spain has been considered.
  • The presence and impact of companies in the renewable energy sector have been evaluated.
  • The participation of companies in national electricity generation has been taken into account.
  • Information has been gathered from available contextual sources to reflect the current market situation.
  • Companies must have a significant presence and relevant market share in the Spanish energy sector.
  • Priority is given to companies with active participation in electricity and gas generation and distribution.
  • Investment and development in renewable energy and sustainability are valued.
  • Information about the company must be publicly accessible and verifiable for inclusion.