ESB have reported a large electricity fault in the Longford area.
Houses in Ballymahon and surrounding areas have been affected, with outages reaching as far as Taghshinny and Colehill in one direction, and Darogue and Foighe in the other directions.
Homes in Newtowncashel are also experiencing outages.
On Twitter, ESB has apologised for the large "fault".
The ESB has mapped the faults on their website, which will be updated in real time as faults are repaired. Click here for updates.
Subscribe or register today to discover more from DonegalLive.ie
Buy the e-paper of the Donegal Democrat, Donegal People's Press, Donegal Post and Inish Times here for instant access to Donegal's premier news titles.
Keep up with the latest news from Donegal with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.