Risk & Uncertainties (Tables)

9 Months Ended

Sep. 30, 2020

Risks and Uncertainties [Abstract]

Unusual Risks and Uncertainties

As the economic impact of the COVID-19 pandemic started to materialize in Ohio in the second half of March and continued in the second and third quarters of 2020, the COVID-19 pandemic primarily impacted our retail sales demand as shown by the changes in weather-normalized volumes of kWh sold:

Customer class	For the three months ended September 30, 2020 compared to the same period in 2019	For the six months ended September 30, 2020 compared to the same period in 2019 (a)	For the nine months ended September 30, 2020 compared to the same period in 2019
Commercial	(4.8)%	(9.4)%	(7.0)%
Industrial	0.9%	(9.3)%	(6.8)%
Residential	11.0%	9.8%	6.0%

(a) This period most closely approximates the duration of the economic impact on our sales demand as a result of the COVID-19 pandemic.