Based on the number of clients, Naturgy was Spain's natural gas supplier with the largest market share in 2023, accounting for some **** percent of the market. That year, Naturgy's total number of clients nearly reached *** million customers. Endesa ranked second, but by a wide margin, representing some **** percent of Spain's natural gas market.
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Comisión Nacional de los Mercados y la Competencia. (June 14, 2024). Market share of the main natural gas suppliers in Spain in 2023, based on number of clients [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 05, 2026, from /statistics/1321113/market-share-of-natural-gas-suppliers-based-on-number-of-clients-spain/
Comisión Nacional de los Mercados y la Competencia. "Market share of the main natural gas suppliers in Spain in 2023, based on number of clients." Chart. June 14, 2024. ÌÇÐÄÆÆ½â°æ. Accessed August 05, 2026. /statistics/1321113/market-share-of-natural-gas-suppliers-based-on-number-of-clients-spain/
Comisión Nacional de los Mercados y la Competencia. (2024). Market share of the main natural gas suppliers in Spain in 2023, based on number of clients. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 05, 2026. /statistics/1321113/market-share-of-natural-gas-suppliers-based-on-number-of-clients-spain/
Comisión Nacional de los Mercados y la Competencia. "Market Share of The Main Natural Gas Suppliers in Spain in 2023, Based on Number of Clients." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 14 Jun 2024, /statistics/1321113/market-share-of-natural-gas-suppliers-based-on-number-of-clients-spain/
Comisión Nacional de los Mercados y la Competencia, Market share of the main natural gas suppliers in Spain in 2023, based on number of clients ÌÇÐÄÆÆ½â°æ, /statistics/1321113/market-share-of-natural-gas-suppliers-based-on-number-of-clients-spain/ (last visited August 05, 2026)
Market share of the main natural gas suppliers in Spain in 2023, based on number of clients [Graph], Comisión Nacional de los Mercados y la Competencia, June 14, 2024. [Online]. Available: /statistics/1321113/market-share-of-natural-gas-suppliers-based-on-number-of-clients-spain/