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News Release Information

20-1971-SAN
Thursday, October 15, 2020

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Technical information:
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  • (415) 625-2270

Average Energy Prices, Seattle-Tacoma-Bellevue – September 2020

Gasoline prices averaged $2.689 a gallon in the Seattle-Tacoma-Bellevue area in September 2020, the U.S. Bureau of Labor Statistics reported today. Assistant Commissioner for Regional Operations Richard Holden noted that area gasoline prices were lower than last September when they averaged $3.114 per gallon. Seattle area households paid an average of 11.4 cents per kilowatt hour (kWh) of electricity in September 2020, higher than the 11.1 cents per kWh paid in September 2019. The average cost of utility (piped) gas at $1.089 per therm in September was more than the $0.999 per therm spent last year. (Data in this release are not seasonally adjusted; accordingly, over-the-year-analysis is used throughout.) 

At $2.689 a gallon, Seattle area consumers paid 19.0 percent more than the $2.260 national average in September 2020. A year earlier, consumers in the Seattle area paid 15.6 percent more than the national average for a gallon of gasoline. The local price of a gallon of gasoline has been within 19.0 percent of the national average in the month of September during the past five years. (See chart 1.)

The 11.4 cents per kWh Seattle households paid for electricity in September 2020 was 16.8 percent less than the nationwide average of 13.7 cents per kWh. Last September, electricity costs were 20.1 percent lower in Seattle compared to the nation. In each of the past five years during the month of September, prices paid by Seattle area consumers for electricity were less than the U.S. average by at least 16.8 percent. (See chart 2.)

Prices paid by Seattle area consumers for utility (piped) gas, commonly referred to as natural gas, were $1.089 per therm, 2.3 percent more than the national average in September 2020 ($1.064 per therm). A year earlier, area consumers paid 2.0 percent less per therm for natural gas compared to the nation. In the past five years, the per therm cost for natural gas in September in the Seattle area has varied between 2.0 percent below and 17.3 percent above the U.S. average. (See chart 3.)

The Seattle-Tacoma-Bellevue, Wash. metropolitan area consists of King, Snohomish, and Pierce Counties of Washington.


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, 9 divisions, 2 population size classes, 8 region/size-class cross-classifications, and the 23 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, Seattle-Tacoma-Bellevue and the United States, September 2019-September 2020, not seasonally adjusted
Year and month Gasoline per gallon Electricity per kWh Utility (piped) gas per therm
Seattle area United States Seattle area United States Seattle area United States
2019            

September

$3.114 $2.694 $0.111 $0.139 $0.999 $1.019

October

3.255 2.741 0.109 0.136 1.000 1.041

November

3.284 2.687 0.109 0.133 1.008 1.058

December

3.079 2.652 0.109 0.133 1.137 1.057
2020            

January

2.964 2.631 0.111 0.134 1.137 1.066

February

2.956 2.530 0.111 0.134 1.137 1.050

March

2.950 2.334 0.111 0.134 1.139 1.034

April

2.465 1.946 0.113 0.133 1.139 1.028

May

2.374 1.946 0.114 0.134 1.090 1.037

June

2.462 2.141 0.114 0.137 1.090 1.037

July

2.621 2.243 0.114 0.137 1.090 1.027

August

2.667 2.245 0.114 0.137 1.090 1.031

September

2.689 2.260 0.114 0.137 1.089 1.064

 

Last Modified Date: Thursday, October 15, 2020