UK and North American cement companies as well as the nearby LafargeHolcim plant have bought some 0.3Mt of fly ash from the Endesa power station in Carboneras, Spain, in 2018. The fly ash is shipped to overseas customers from the port of Endesa Pucarsa.

In addition, Endesa has also sold 30,000t of slag and 60,000t of gypsum from its lime plant.