Hundreds of homes are without electricity following a number of outages due to thunder and lightning.
It is estimated that more than 1,000 homes and businesses are without power.
More than 500 of these are in Ballyshannon while a further 542 are in Glenties.
An estimated 65 homes are without power in Bundoran while 166 homes are without supply in Glenties.
Engineers are attempting to return supply as soon as possible.
