Up to 30km is no problem for water between 90-175 degrees celcius, so you reach plenty of cities. https://doi.org/10.1016/j.apenergy.2018.02.080 https://doi.or

Up to 30km is no problem for water between 90-175 degrees celcius, so you reach plenty of cities. https://doi.org/10.1016/j.apenergy.2018.02.080 https://doi.org/10.1016/j.apenergy.2018.02.080