A web search for 'desalination cost' will easily confirm this for you. e.g. https://www.sciencedirect.com/science/article/abs/pii/S0011916408002683 https://ww

A web search for 'desalination cost' will easily confirm this for you. e.g. https://www.sciencedirect.com/science/article/abs/pii/S0011916408002683 https://www.sciencedirect.com/science/article/abs/pii/S00119... "current [published in 2008] large-scale desalination plants are capable of producing water in the range of $0.50–$2.00/m3"