Special batteries are to be supplied to provide electricity to Dinis Cottage in Killarney National Park.
Folowing a request by Kerry Fine Gael TD Brendan Griffin, the Department of Regional, Rural & Gaeltacht confirmed the UPS batteries will be made available.
A request for tenders has been issued for the operation of the cottage as a tea room facility.
The former hunting lodge was built by the Herbert family of Muckross House and dates back to the 1700s.
Deputy Griffin welcomed the developments and said he hopes the tender process if successful to ensure the tea-rooms are reopened as soon as possible.