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Electricity Monthly Update

With Data for June 2015  |  Release Date: Aug. 26, 2015  |  Next Release Date: Sep. 24, 2015

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End Use: June 2015


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 were higher in 31 states and the District of Columbia, flat in two states and down in 17 states in June. Iowa had the largest increase, up over 12%, followed by Massachusetts and Washington, both up just over 9% compared to last year. Hawaii had the largest decline by a wide margin, down 23% from last year and the sixth month in row the state had the largest year-over-year drop. Hawaii's petroleum-heavy bulk power system has benefitted greatly from the large fall in world oil prices that began in the latter half of 2014. Louisiana had the next greatest year-over-year drop, down nearly 12%. Colorado, Georgia, New York, and Kentucky were next with declines between 5-10%.

Total average revenues per kilowatthour were 10.64 cents in June, down 1.1% from last year. Every sector saw declines, from -4% in the Industrial sector to -0.4% in the Residential sector.

Total retail sales volumes were up 1.2% to 323,094 GWh in June compared to last year. The largest increase was found in the Residential sector (up 2%) and just edged out the Commercial sector (up 0.6%) as the sector with the largest retail sales volumes during the month. The Transportation sector, by far the smallest of the four, was the only sector declining from last year, down 0.3%. Retail sales volumes are up considerably from last month's total of 285,707 GWh as summer weather set in across much of the country.

Retail sales



Electric industry retail sales volume trends this June were notable for their lack of geographic consistency. Year-over-year retail sales volume changes varied a lot between neighboring states. Also, many states with lower retail sales levels were scattered throughout the country, with one or two in seemingly every region amongst a sea of states with higher year-over-year retail sales volumes.

For example, the largest gain was found in North Dakota, up nearly 11% from last June. Neighboring Minnesota, however, had the second-largest year-over-year drop, down over 4%. New Hampshire had the third-largest gain of any state, up nearly 9% from last year, while neighboring Vermont had one of the largest declines, down 2%. Other states that were down from last year, such as Washington, California, New Mexico, and Maryland, were surrounded by states up from last year. In total, 35 states and the District of Columbia were higher and 15 states lower relative to one year ago.


Cooling Degree Day (CDD) trends were more regionally consistent than retail sales volume trends during the month of June. New England and New York, the Great Lakes region and Texas and New Mexico, all had lower to much-lower levels of CDDs compared to last year. The Mid-Atlantic, Southeast, and West (besides New Mexico), had uniformly higher levels of CDDs in June. States in the Northwest all had CDD increases in excess of 200% compared to last year and many of those states experienced their hottest June on record.

In relation to a "normal" June, the weather this year was much warmer than normal across most of the country. All states outside of New England, the Great Lakes, New York, Iowa, and Nebraska had elevated levels of CDDs. Nearly half of the states, 24, had CDD levels more than 25% higher than an average June.

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