Update 11.42pm: The fire at an ESB substation in Bluebell has now been extinguished, Dublin Fire Brigade has confirmed.
Update 10.04pm: The ESB say they have now made safe the 220 voltage substation on Jamestown Road in Inchicore aftter it caught fire this evening.
The blaze is understood to have started just after 7.30pm this evening - when a transformer caught fire.
Update 9.23pm: Gardaí have advised residents living near the fire at the ESB substation in Bluebell to keep windows and doors shut and remain indoors.
Members of the public are advised to avoid the fumes emanating from this fire.
A safety cordon has been put in place.
Earlier: Thousands of ESB customers were without power for a time this evening as emergency services deal with a large blaze in South Dublin.
Dublin Fire Brigade say six units are battling the fire at a 220 voltage substation on Jamestown Rd in Inchicore.
As a result 15,000 homes and businesses in the area are currently without power.
— Dublin Fire Brigade (@DubFireBrigade) April 17, 2016
ESB crews have been dispatched and an ESB spokesperson said that the power is being restored.