Bluewater Power says there's a planned outage in the Sherwood Village subdivision Tuesday September 15.
Utility spokesman Chris Gould says they're connecting about 8km of underground conductor as part of a conductor refurbishment project.
About 90 per cent of area residents will be without power from about 8am until 4pm. There's a rain date of September 17.
The utility will be hand delivering notices to impacted residents. You can also follow them on Twitter @Bluewaterpower.