Before this June, the highest the average price for a KWH had ever gone was 13.7 cents, the level it hit in June, July, August and September of last year.

The 14.3-cents average price for a KWH recorded this June is about 4.4 percent higher than that previous record.

Typically, the cost of electricity peaks in summer, declines in fall, and hits its lowest point of the year during winter. In each of the first six months of this year, the average price for a KWH hour of electricity has hit a record for that month. In June, it hit the all-time record.

Although the price for an average KWH hit its all-time record in June, the seasonally adjusted electricity price index--which measures changes in the price of electricity relative to a value of 100 and adjusts for seasonal fluctuations in price--hit its all-time high of 209.341 in March of this year, according to BLS. In June, it was slightly below that level, at 209.144.