DuPont Fabros, one of the largest wholesale colocation providers in the US, reported a 21% revenue increase in 2010 from the year before. The data center company made about US$43.7m in net income on about $242.5m in sales in 2010. Full-year net income was up from about $2.9m reported for 2009.

Along with its full-year earnings, DFT announced that most of its operating data center inventory was fully leased. As of the end of 2010, DuPont Fabros had about 930,000 sq ft of raised floor in eight data center around the US ÔÇô half of them in Ashburn, Virginia.

The only facilities that are not 100% leased are ACC5 in Ashburn, which is 88% leased and NJ1 in Piscataway, New Jersey, which is 22% leased. In its totality, the company's raised-floor inventory is powered by about 138MW of critical load.

DuPont Fabros president and CEO Hossein Fateh shared in a statement the company's plans for the remainder of 2011. "Our principal focus for 2011 is to maximize portfolio leasing, complete two additional fully funded developments in the third quarter of 2011, and fund and start our Chicago Phase II development for delivery in 2012."

"We remain optimistic regarding the demand of our wholesale locations," he added.

In the first quarter of 2011 to date, DFT signed four leases totaling 9.75MW. Some of it was space at ACC5 and the remainder was pre-lease of space in the second phase of the company's Chicago data center, which has not been brought online.

In 2010's final quarter, DFT signed two NJ1 leases totaling 2.84MW, or 16% of the building. Both the first phase at NJ1 and the second phase at ACC5 came online during that quarter.

The year's final three months proved profitable for the company, which reported about $66m in revenue for the quarter ÔÇô up from about $52.7m one year ago. Its net income in the fourth quarter was about $13m.

As of the end of 2010, DuPont Fabros was providing data center space and power to 27 tenants. Three of those tenants represented 60% of the company's annualized base rent.