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Electricity Monthly Update

With Data for May 2017  |  Release Date: July 25, 2017  |  Next Release Date: August 24, 2017
Re-release date: July 31, 2017   |   Revision

Previous Issues

End Use: May 2017


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 8 states and the District of Columbia in May compared to last year. The largest declines were found in Rhode Island (down 3.6 %), Virginia (down 2.4%), and Ohio (down just over 2%). Forty-one states increased compared to last year, led by Hawaii (up 11.4%), New Mexico (up 10.3%), and Mississippi (up nearly 9%). Delaware showed no change from last year.

Total average revenues per kilowatthour were up 3% to 10.37 cents in May compared to last year. All sectors were up on the month, with the Transportation sector leading at 4.9%. The Industrial sector had the second-highest percent growth with an increase of 3.8%. The Commercial sector followed with a growth of 3.2%. The Residential sector showed the smallest increase, up 1.8% from last year. Total retail sales rose by almost 3%. The Residential sector gained the highest percent, up 5.1%. The Industrial sector followed with an increase of 2.0%. The Commercial sector followed closely with a gain of 1.7%. The Transportation sector rose only slightly, up 0.2%.

Retail sales



State retail sales volumes were down in 11 states in May compared to last year. New Jersey recorded the largest year-over-year decline, down 3.3%. Michigan and Delaware had the next largest declines, down 2.4% and 2.1%, respectively. Thirty-nine states and the District of Columbia had retail sales volume increases in May, led by Missouri (up 10.3%), Texas (up almost 7.2%), and Nevada (up 7.1%).


Cooling Degree Days (CDD) were down in 23 states compared to last May. The largest year-over-year decrease was found in Wisconsin (decreasing 21 CDDs, almost 78%). Seven other states had a decrease of over 50% in CDDs: New Jersey, Minnesota, Michigan, Vermont, North Dakota, New York, and Illinois. Twenty-one states and the District of Columbia had an increase in CDDs from the prior year, led by Washington (up 93%), Utah (up 92%), and Oregon (up 87%).

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