Ngo-2006, amalahle abalwa ama-25% we amandla okuyisisekelo umhlaba. Ngo-2012, iku-29,6%. I- ukusetshenziswa de amalahle Emhlabeni jikelele, imele amakhilogremu ayi-184.000 ngomzuzwana, okungukuthi, amathani ayizigidi eziyizinkulungwane ezingama-5,8.
I-Las ukubhuka Izindawo zokugcina amalahle ezikhombisiwe zikhule kusuka eminyakeni engama-227 kuya kwengu-144 yokukhiqiza phakathi kuka-1999 no-2005. amalahle ahlolwa ngaphezu kwamathani ayizigidi eziyizinkulungwane ezingama-860 kuya kwezingama-984, futhi asatshalaliswa emazweni angaphezu kwama-70. Izinqolobane eziyinhloko ziku- States Ubumbano, Russia, China naseNdiya.
Ngabe wayezokwazi amalahle izinsuku ezibaliwe kusukela ngonyaka ka-2048, ngokuya ngomkhuba wamanje wokwanda Producción, noma ngo-2075 kuphela, ngokusho kwenqubekela phambili ebuthaka kunale?
Ngokwesimo esivela kaningi, uma ngabe ukusetshenziswa ihlala ingaguquguquki, izinsalela zamalahle ezaziwayo zingahlala okungenani emuva amakhulu eminyaka. Eqinisweni, ukukhiqizwa kwamalahle kufanele kudlule ku esiphezulu ngo-2030, ene- Producción cishe amathani ayizigidi ezingama-8.000 ngonyaka, bese izongena emthambekeni.
Imininingwane engaphezulu - I-Hydropower ingamandla ahlanzekile