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The Greening of IT
282 How Companies Can Make a Difference for the Environment

data center in West Virginia could potentially save millions of dollars in
electricity costs each year. With high-speed networks (including the
Internet) available throughout the United States and, for a large part,
worldwide, data centers can now be located almost anywhere.
As indicated in this appendix, the cost per KWH and emissions esti-
mates can vary widely on a worldwide basis. This appendix is intended to
give information on how the cost of electricity varies around the world—
and how this could impact the location choice for new data centers.

U.S. Average Electricity Prices by State

Electrical prices can vary significantly within the United States.
Based on Table D.1, average electrical prices per KWH during 2006
ranged from a low of 4.92 cents/KWH in Idaho to a high of 20.72
cents/KWH in Hawaii. The average U.S. price per KWH during 2006
was 8.9 cents/KWH.

Table D.1 U.S. Average Electricity Prices by State
ptg
U.S. Department of Energy EIA (Energy Information Agency) released November 2007.
(http://www.eia.doe.gov/cneaf/electricity/st_profiles/e_profiles_sum.html)

State Electricity Profiles—Alphabetical DOE/EIA-0348 Date of Data: 2006
Data Release Date: November 2007
Name Avg. Retail Price Summer Net Total Retail
(cents/KWH) Capability Generation Sales
(megawatts) (megawatthours) (megawatthours)
Alabama 7.07 30,664 140,895,441 90,677,695
Alaska 12.84 1,884 6,674,197 6,182,291
Arizona 8.24 25,608 104,392,528 73,252,776
Arkansas 6.99 14,507 52,168,703 46,635,624
California 12.82 63,213 216,798,688 262,958,528
Colorado 7.61 11,156 50,698,353 49,733,698
Connecticut 14.83 7,882 34,681,736 31,677,453
Delaware 10.13 3,374 7,182,179 11,554,672
District of 11.08 806 81,467 11,396,424
Columbia
Florida 10.45 53,206 223,751,621 228,219,544
Georgia 7.63 36,499 138,010,208 134,834,168