The Unite Union will today start consultations with electronics giants Sharp after the firm's announcement it'll stop making solar panels at its factory in Wrexham.
Bosses have blamed "unavoidable market conditions" for their decision.
Two hundred and fifty posts will be shed. It also won't renew around 350 agency workers' contracts.
Microwave ovens will still be made there.
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Breezy with further showers, locally heavy, spreading in from the west at times.
Breezy, but winds gradually easing overnight. There will be clear spells and isolated showers through the evening.
Calls are being made for a report into allegations over the care of dementia patients at a north Wales hospital to be published.