Hydro One says a motor vehicle collision is responsible for some power outages Monday stretching from Campbellford northeast past Marmora, Madoc and Flinton.
Approximately 4,500 customers are affected.
Hydro One originally estimated time of restoration to be about 2:15 p.m. today however that time has been stretched into later afternoon for some areas.
Peterborough County OPP reported a single vehicle collision occurred in the Havelock area on Belmont Sixth Line around 11:20 a.m. Monday morning and that power outages were anticipated as a result.