Iberdrola and Endesa are the two largest electricity providers in Spain. Based on the number of clients, both companies had a market share of 34 and 33 percent in 2022, respectively. Based on sales, Endesa had a market share of 30 percent and Iberdrola of 26 percent in that same year.
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Market share of the main electricity providers in Spain in 2022, based on number of clients
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Comisión Nacional de los Mercados y la Competencia. (April 30, 2024). Market share of the main electricity providers in Spain in 2022, based on number of clients [Graph]. In Statista. Retrieved July 05, 2025, from https://www.statista.com/statistics/1359319/market-share-of-electricity-providers-clients-spain/
Comisión Nacional de los Mercados y la Competencia. "Market share of the main electricity providers in Spain in 2022, based on number of clients." Chart. April 30, 2024. Statista. Accessed July 05, 2025. https://www.statista.com/statistics/1359319/market-share-of-electricity-providers-clients-spain/
Comisión Nacional de los Mercados y la Competencia. (2024). Market share of the main electricity providers in Spain in 2022, based on number of clients. Statista. Statista Inc.. Accessed: July 05, 2025. https://www.statista.com/statistics/1359319/market-share-of-electricity-providers-clients-spain/
Comisión Nacional de los Mercados y la Competencia. "Market Share of The Main Electricity Providers in Spain in 2022, Based on Number of Clients." Statista, Statista Inc., 30 Apr 2024, https://www.statista.com/statistics/1359319/market-share-of-electricity-providers-clients-spain/
Comisión Nacional de los Mercados y la Competencia, Market share of the main electricity providers in Spain in 2022, based on number of clients Statista, https://www.statista.com/statistics/1359319/market-share-of-electricity-providers-clients-spain/ (last visited July 05, 2025)
Market share of the main electricity providers in Spain in 2022, based on number of clients [Graph], Comisión Nacional de los Mercados y la Competencia, April 30, 2024. [Online]. Available: https://www.statista.com/statistics/1359319/market-share-of-electricity-providers-clients-spain/
