Forty-one customers are without power in the Derrybeg area of Gaoth Dobhair.
It is not certain how long it will take to restore the power in the area.
The ESB apologise for the loss of supply and say they are currently working to repair the fault and will restore power as quickly as possible.
Apologies for the loss of supply, you can check the status of an outage affecting your property or log a fault here: https://t.co/z3C5FkJZJa . Apologies again.— ESB Networks (@ESBNetworks) January 13, 2020
There are reports of other areas being without power earlier this morning.
There are also reports of fallen trees across the county.
The Road Safety Authority has asked that everyone exercise extra caution during Storm Brendan.
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.