When I went to the site listed it showed an average electricity price for the US for 2016 of 13.5 cents/kWh.  The data is from the US Department of Labor. Ontario Hydro shows a blended average for Ontario of 11 cents/kWh reflecting time of use usage. If you do not have a Smart Meter the average price is 10.3 cents/kWh for the first 1000 kWh. If you do have a Smart meter the cost varies from 8.7 to 18 cents/kWh. According to the Ontario Energy Board the average household uses 2/3 of their electricity during off-peak hours.  For San Francisco the 2016 average cost is 19.5 cents/kWh. What is not shown in either case are distribution costs and other administrative costs.

So electricity prices are not so low in the US they are higher than in Ontario.

Gasoline is another story. In Toronto we currently pay  about $1.09/L which is $4.12/gallon.  The US average for 2016 is $2.20/gallon. This is from the same data source. So gasoline prices are much lower in the US than in Canada.