They purchase wind energy credit three times more to their actual energy usage and send it back to the grid, offering more natural resources than what is used.
Bathengisa amandla emoyeni amandla kathathu ngokwengeziwe ekusetshenzisweni kwazo kwamandla futhi babuyisele emuva egrijini, banikeza izinsiza zemvelo ezingaphezulu kunezinto ezisetshenzisiwe.