There is considerable controversy over whether nuclear power can be considered sustainable. Some forms of nuclear power (ones which are able to "burn" nuclear waste through a process known as nuclear transmutation, such as an Integral Fast Reactor, could belong in the "Green Energy" category).
ມັນມີຂໍ້ໂຕ້ຖຽງກັນວ່າ ພະລັງງານນິວເຄລຍ ສາມາດຖືວ່າເປັນຄວາມຍືນຍົງໄດ້ຫຼືບໍ່. ບາງຮູບແບບຂອງ ພະລັງງານນິວເຄຼຍ (ສິ່ງທີ່ສາມາດ "ເຜົາ" ສິ່ງເສດເຫຼືອຂອງນິວເຄຼຍໂດຍຜ່ານຂະບວນການທີ່ເອີ້ນວ່າ nuclear transmutation, ເຊັ່ນ: Integral Fast Reactor,ເຊິ່ງສາມາດຈັດຢູ່ໃນຫມວດ "ພະລັງງານສີຂຽວ"ໄດ້).