简介：Afterfouryears'extensivelyscramblingrivers'exploitationrightsbypowercompanies,thecountablehydropowerresourcesarealmostsharedup.Inwater-abundantsouthwesternregion,fivelargegenerationgroupsdelimitedtheirownspheresonlargerivers.Sharpprivateenterprisesavailedthemselvesofeveryopportunitytograspthetargetsonsmallandmediumrivers.Asnumerousinvestorsswarmed,hydropowerconstructionenteredarealhightideperiod.'Atpresent,theproportionofexploitedhydroenergyisapproximately20%oftheexploitablewaterenergyinChina.Itwillbeenoughforthedatumtobecloseto60%inChina,otherwisemoreproblemswithecologicalenvironmentwouldfollow.Thehydropowertobedevelopedshallbelimitedwithin350GW,andthisisthetop,'saidWangShucheng,MinisterofMinistryofWaterResources.'Excessivemarketizationislikelytoleadendlesstroubleinhydropowerconstruction.Incasetheinvestmentinahydropowerprojectfails,thedestroytoecologicalenvironmentareverydifficulttoberestored,'saidPengTubiao,chiefengineerfromChinaHydropowerandWaterResourcesPlanningandDesigninstitute.