It could be in the early hours of Thursday morning before some areas across the region have their electricity restored.
Over 3,500 homes and businesses are without power this morning after Storm Barra continues to batter the north west.
825 premises are impacted around Bundoran with an estimated time of power being restored of 4am Thursday morning.
It’s a similar situation for 465 buildings around Ballintogher and 100 in the Cloonamahon area where the time varies between 10:30pm tonight and 1am tomorrow morning.
A further 965 peole are without electricity around Ballymote with time expected to be restored there by 6.30pm this evening.
875 are impacted around Drumkeerin with power hoped to be restored by 1.30am Thursday, 95 are impacted near Manorhamilton with a restoration time of 10.15pm tonight.
And 105 customers are impacted around Kilcar with an estimated time of it being restored of between 4pm and 7pm today.
Spokesperson for ESB Networks, Siobhan Wynne, says crews will resume work this morning to restore services.