Fig. 7From: An assessment of technical and economic feasibility to install geothermal well systems across UkraineDistribution of the expected NPV of the GWS operation across Ukraine: a) at minimum aquifer depth \(H_{ \hbox{min} }\) and flow rate \(Q_{ \hbox{min} }\), b) at maximum aquifer depth \(H_{ \hbox{max} }\) and flow rate \(Q_{ \hbox{max} }\)Back to article page