Largest Electricity companies in Spain by Market Capitalization

This ranking features the largest 4 Electricity companies in Spain ranked by Market Capitalization, totaling a Market Capitalization of USD 162.74 B, for June 20, 2025.

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Frequently Asked Questions
  • Which Electricity company in Spain has the highest Market Capitalization ?

    The Electricity company in Spain with the highest Market Capitalization is Iberdrola, S.A. (MCE: IBE.MC) at USD 117.90 B.

  • Which Electricity company in Spain has the lowest Market Capitalization ?

    The Electricity company in Spain with the lowest Market Capitalization is Arteche Lantegi Elkartea, S.A. (MCE: ART.MC) at USD 713.89 M.