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Electricity Monthly Update

With Data for September 2016  |  Release Date: Nov. 29, 2016  |  Next Release Date: Dec. 23, 2016

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End Use: September 2016

Retail rates/prices and consumption

In this section, we look at what electricity costs and how much is purchased. Charges for retail electric service are based primarily on rates approved by state regulators. However, a number of states have allowed retail marketers to compete to serve customers and these competitive retail suppliers offer electricity at a market-based price.

EIA does not directly collect retail electricity rates or prices. However, using data collected on retail sales revenues and volumes, we calculate average retail revenues per kWh as a proxy for retail rates and prices. Retail sales volumes are presented as a proxy for end-use electricity consumption.

Average revenue per kWh by state

Average revenue per kilowatthour figures decreased in 21 states and the District of Columbia in September compared to last year. The largest declines were found in Nevada (down 12.1%), Mississippi (down 9.9%), and the District of Columbia (down 4.8%). Thirty states increased compared to last year, led by Minnesota (up 8.3%), West Virginia (up 7.9%), and Maine (up 7.7%).

Total average revenues per kilowatthour were down 1.0% to 10.69 cents in September compared to last year. All sectors were down on the month, from a 4.5% drop in the Transportation sector to a 0.8% drop in the Industrial sector. Retail sales were down overall (0.1%) to 332,378 gigawatthours (GWh). The Residential, Commercial, and Transportation sectors showed slight gains of 2.9%, 0.9%, and 3.6%, respectively, while the Industrial sector showed a decline of 6.0%.

Retail sales

State retail sales volumes were down in 30 states in September compared to last year. Nevada recorded the largest year-over-year decline, down 7.8%, Arizona and California had the next largest declines, down 7.2 and 6.1%, respectively. Twenty-one states and the District of Columbia had retail sales volume increases in September, led by Georgia (up 8%), Tennessee (up 7.6%), and Maryland (up 5.5%).

September 2016 was the warmest September in 136 years of modern record-keeping, according to a monthly analysis of global temperatures by scientists at NASA's Goddard Institute for Space Studies (GISS) in New York. Cooling Degree Days (CDD) were higher across most of the country, up in 27 states and the District of Columbia compared to last September. Three states had an over 50-percent-increase in CDDs. The largest year-over-year increase was found in Rhode Island, followed by Washington and Georgia, all of which had an over 50% increase in CDDs from September 2015 to September 2016. Twenty-three states had less CDDs than last September, with these states mostly found in the Mountain West. North Dakota had the largest CDD decrease of any state, followed by Wyoming, Wisconsin, and Minnesota.

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