Theenergycrisismeansthattheeconomyisaffectedbytheshortageofenergysupplyortheriseinprices.Thisusuallyinvolvesshortagesofoil,electricity,orothernaturalresources.

Waterenergyisakindofenergy,itisacleanenergyandagreenenergy.

Themostsignificantcharacteristicsofwaterenergyresourcesarerenewableandpollution-free.Anditcansupplypowerinaccordancewiththeneeds,controlfloodflood,provideirrigationwater,improverivernavigation.Thedevelopmentofwaterenergyhasapositiveeffectonthecomprehensivemanagementandcomprehensiveutilizationofrivers.Itisofgreatsignificancetoalleviatetheenvironmentalpollutioncausedbytheconsumptionofcoalandpetroleumresources.Waterenergycanberecycledyearbyyear,whilecoal,oilandnaturalgasareallconsumingenergy,andtheremainingonesarelessandevenexhausted.

Butthedistributionofwaterenergyislimitedbythenaturalconditionssuchashydrology,climateandgeomorphology.Wateriseasilypolluted,anditisalsoeasilyaffectedbymanyfactorssuchasterrain,climateandsoon.

Hydroelectricpowerisusedtostudythetechnologyandtechnologyoftechnicalandeconomicproblemssuchastheconversionofwaterenergyintotheconstructionofelectricalenergyandtheproductionandoperationofelectricity.