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Wednesday, October 26, 2016


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Average Energy Prices, Chicago-Gary-Kenosha — September 2016

Gasoline prices averaged $2.415 a gallon in the Chicago-Gary-Kenosha area in September 2016, the U.S. Bureau of Labor Statistics reported today. Assistant Commissioner for Regional Operations Charlene Peiffer noted that area gasoline prices were down 32.2 cents compared to September 2015 when they averaged $2.737 per gallon. Chicago area households paid an average of 15.1 cents per kilowatt-hour (kWh) of electricity in September 2016, 3.8 percent less than the 15.7 cents per kWh paid in September 2015. In September, the average cost of utility (piped) gas was 84.4 cents per therm, up from its average price of 78.6 cents per therm a year earlier. (Data in this release are not seasonally adjusted; accordingly, over-the-year-analysis is used throughout.)

At $2.415 a gallon, prices for gasoline in the Chicago area were 14.6 cents higher than the national average of $2.269 a gallon in September 2016. In the previous four years (2012-2015) in September, Chicago area gasoline prices were also higher than the national average, ranging from 20.8 cents to 37.0 cents more. (See chart 1.)

The 15.1 cents per kWh that Chicago households paid for electricity in September 2016 was 8.6 percent higher than the nationwide average cost of 13.9 cents per kWh. With the exception of September 2013, when Chicago area electricity costs were 8.0 percent lower than the national average, Chicago electricity prices in the previous four years (2012-2015) have exceeded the national average, ranging from 6.8 percent to 16.3 percent more. (See chart 2.)

Prices paid by Chicago area consumers for utility (piped) gas, commonly referred to as natural gas, were 84.4 cents per therm in September 2016, 11.5 percent below the national average of 95.4 cents per therm. In the previous four years (2012-2015) in September, Chicago area utility (piped) gas costs were lower than the national average, ranging from 4.6 percent to 20.8 percent less. (See chart 3.)

The Chicago-Gary-Kenosha, Ill.-Ind.-Wis., Consolidated Metropolitan Statistical Area consists of Cook, De Kalb, Du Page, Grundy, Kane, Kankakee, Kendall, Lake, McHenry, and Will Counties in Illinois; Lake and Porter Counties in Indiana; and Kenosha County in Wisconsin.

Historical average energy prices for the U.S. and select metropolitan areas are available at

The Consumer Price Index for October 2016 is scheduled to be released on Thursday, November 17, 2016.

Technical Note

Average prices are estimated from Consumer Price Index (CPI) data for selected commodity series to support the research and analytic needs of CPI data users. Average prices for electricity, utility (piped) gas, and gasoline are published monthly for the U.S. city average, the 4 regions, the 3 population size classes, 10 region/size-class cross-classifications, and the 14 largest local index areas. For electricity, average prices per kilowatt-hour (kWh) are published. For utility (piped) gas, average prices per therm are published. For gasoline, the average price per gallon is published. Average prices for commonly available grades of gasoline are published as well as the average price across all grades.

All eligible prices are converted to a price per normalized quantity. These prices are then used to estimate a price for a defined fixed quantity. The average price per kilowatt-hour represents the total bill divided by the kilowatt-hour usage. The total bill is the sum of all items applicable to all consumers appearing on an electricity bill including, but not limited to, variable rates per kWh, fixed costs, taxes, surcharges, and credits. This calculation also applies to the average price per therm for utility (piped) gas.

Information in this release will be made available to sensory impaired individuals upon request. Voice phone: (202) 691-5200; Federal Relay Service: (800) 877-8339.

Table 1. Average prices for gasoline, electricity, and utility (piped) gas, Chicago-Gary-Kenosha and the United States, September 2015 – September 2016, not seasonally adjusted
Year and month Gasoline per gallon Electricity per kWh Utility (piped) gas per therm
Chicago area United States Chicago area United States Chicago area United States




$2.737 $2.463 $0.157 $0.141 $0.786 $0.921


2.658 2.357 0.158 0.136 0.760 0.909


2.332 2.249 0.158 0.134 0.733 0.903


2.129 2.125 0.156 0.133 0.702 0.892




1.992 2.034 0.153 0.134 0.717 0.898


1.710 1.833 0.153 0.134 0.733 0.895


2.095 2.021 0.154 0.134 0.725 0.884


2.331 2.196 0.154 0.134 0.709 0.879


2.499 2.324 0.155 0.133 0.707 0.877


2.708 2.422 0.151 0.138 0.744 0.891


2.403 2.287 0.153 0.139 0.781 0.931


2.390 2.218 0.151 0.139 0.813 0.943


2.415 2.269 0.151 0.139 0.844 0.954


Last Modified Date: Wednesday, October 26, 2016