A power outage Tuesday morning has some 3,500 National Grid customers waking up in the dark. 

The outage is affecting customers in New Hartford and South Utica.

via NationalGrid.us
via NationalGrid.us
loading...

UPDATE: By 8:20 a.m. Tuesday morning the vast majority of the outages reported this morning had been restored.

No word at this time on what caused the outage.