UPDATE: Power restored to most after DP&L substation issue knocked out electric for thousands


Dayton Power and Light reports that power has been restored to most customers in Montgomery County after a large outage knocked out power to nearly 11,000 people Monday morning.

As of 8:25 a.m., DP&L reported only 151 customers remained without power.

Previously, a company spokesperson said the issue was at a substation that went offline sometime around 6:30 a.m.

Further investigation of the outage was still being conducted, the spokesperson said.

UPDATE @ 8:05 a.m.:

Several traffic lights are out at multiple Riverside and Dayton intersections due to the ongoing large power outage in Montgomery County, caused by an issue at a DP&L substation.

The outage, which is centered in areas of Dayton and Riverside, north of U.S. 35, knocked out traffic lights at multiple Woodman Drive intersections, Riverside police said.

Officers reminded drivers to treat intersections with malfunctioning traffic lights as a four-way stop.

At 8 a.m., DP&L reported 10,849 outages in Montgomery County. A spokesperson previously said the issue was at a substation that went offline and crews were investigating and diagnosing further.

We’ll continue to update this story as we learn more.


An issue at a Dayton Power and Light substation has knocked out power to 10,872 customers in Montgomery County Monday morning, according to a company spokesperson.

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The utility provider reported a jump in power outages between 6 a.m. and 6:30 a.m. As of 7 a.m., 10,872 customers were without power, a jump from around 150 that were remaining from Sunday’s severe storms.

A DP&L spokesperson said the outage was connected to a substation that went offline and more about the cause was still being diagnosed.

It was not known if there was an estimated time for power restoration.

We’ll continue to update this story as new details become available.

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