An existing nuclear reactor on Anglesey could continue producing power until December 2015, according to its operator.
Wylfa was expected to shut down in 2014.
On its website today, operator Magnox said the plans are subject to Periodic Safety Review (PSR) approval.
Reactor 2 at the site was shut down last year.
More top news
Often clear skies this evening will allow for frost to develop. Low cloud will then roll in overnight, making the frost more localised.
Northampton Saints' Director of Rugby has denied that Wales international George North was knocked out during their game against Leicester.
Swansea defender Jordi Amat insists manager Bob Bradley has the backing of the players despite yesterday's 5-0 defeat to Tottenham.