The company’s operations are located in eight regions: the Basque Country, Asturias, Cataluña, Castile and Leon, Extremadura, Madrid, Murcia and Navarra. In 2010, Naturgas’ network totalled more than 9,521 km.
 
The company is a market leader in the gas markets of the Basque Country and Asturias, and it is the second electricity company of the Basque Country.

In 2010, in the regulated market, Naturgas had 983,873 points of supply and distributed 45,644 GWh of gas.
 

 In 2010, in the liberalized market, Naturgas had 824,000 customers and sold 29,809 GWh of gas.