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Electricity Monthly Update

With Data for July 2017  |  Release Date: September 26, 2017  |  Next Release Date: October 24, 2017

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End Use: July 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 7 states and the District of Columbia in July compared to last year. The largest declines were found in Maryland (down 3.6%), Nebraska (down almost 3%), and Delaware (down almost 2%). Forty two states increased revenue per kilowatthour compared to last year, led by Louisiana (up 13.6%), Minnesota (up 8.3%), and New Mexico (up just over 7%).

Total average revenues per kilowatthour were up 2.9% to 11.02 cents in July compared to last year. All sectors were up on the month, with the Transportation sector leading at 5.8%. The Commercial and Residential sectors had nearly identical growth at 3.6% and 3.5%, respectively. The Industrial sector had the lowest growth, at 1.4%. Total retail sales dropped by 1.5%. All sectors dropped from the prior year, with the exception of the Industrial sector, which rose by 0.8%. The Residential sector fell the most, down 3.3%. The Transportation sector fell almost 3% and the Commercial sector fell slightly, down 0.9%.

Retail sales

State retail sales volumes were down in 30 states and the District of Columbia in July compared to last year. Rhode Island recorded the largest year-over-year decline, down 8%. Arkansas and New Jersey had the next largest declines, down 6.9% and 5%, respectively. Twenty states had retail sales volume increases in July, led by Idaho (up 8.9%), North Dakota, Montana (each up 7.3%), and Oregon (up almost 6%).

Cooling Degree Days (CDD) were down in 34 states and the District of Columbia compared to last July. The largest year-over-year decrease was found in Vermont. It had a decrease of 37 CDDs, almost 29%. Three other states in New England had a decrease of over 25% in CDDs: New Hampshire, Massachusetts, and Maine. This was due to milder weather in the region compared to last July. Sixteen states had an increase in CDDs from the prior year, led by Montana (up 82%), Idaho (up 57%), and Oregon (up 43%).

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