Data centers in the Seattle market

About the Seattle market

The directory lists 42 data centers in the Seattle market, 36th among the 64 markets it covers and 2 percent of all listings in the United States. They are run by 14 operators in 6 towns and cities. Seattle itself holds 18 of them, 43 percent of the market, followed by Tukwila with 16 and Lynnwood with 5. Everett, Kent and Snoqualmie have one each.

Centersquare and Sabey have the most listings, 8 each, followed by Digital Realty and Equinix with 3 each and DataBank with 2. Colocation sites account for 29 of the records.

Capacity is published in two measures that should not be added together, and for few buildings. Of the 5 with a published IT load, the largest is Centersquare's SEA1 in Tukwila at 10.8 MW; the others are at 3 MW or less. Of the 2 with a published utility supply, the larger is Digital Realty SEA10 in Seattle at 16.5 MW. SEA10 is also the largest listed building by floor area, at 412,500 square feet, ahead of H5's Seattle data center at 293,000 square feet.

Only 1 listed facility is recorded as operational and the other 41 carry no status in the data; none is listed as under construction or planned.