But anti-nuclear group Pawb says it has concerns about Wylfa's vulnerability to cyber-attacks and air assaults.

BBC: Wylfa and other UK nuclear stations in 'safe hands'

Ychwanegodd Mr Lewis "os nad ydym yn galluogi pawb i gael budd ohono, dydyn ni ddim yn ei rheoli'n iawn".

BBC: Pwyllgor Cymunedau, Cydraddoldeb a Llywodraeth Leol

Dylan Morgan, of People Against Wylfa B (Pawb) said the plant should be closed, as planned in December this year.

BBC: Wylfa nuclear plant to operate for two more years

Carl Iwan Clowes, of People Against Wylfa B (Pawb), said the waste from nuclear power stations created problems for future generations.

BBC: Wylfa B consortium welcomes nuclear site confirmation

Tra'i fod yn cydnabod nad yw'r rhaglen yn addas ar gyfer pawb gan fod cost uchel i gymryd rhan, pwysleisiodd Dr Davies "fod y manteision ar gyfer yr SMEs iawn yn anferthol".

BBC: Pwyllgor Menter a Busnes