List of LEED Data Centers (Updated)

Fannie Mae Urbana Technology Center: In 2005 this 247,000 square foot facility became the first data center to earn LEED certification. The FNMA Technology Center, located in Urbana, Md., is a mixed-use facility with both office and data center components, a trend seen in a number of LEED-certified data centers, as the office component makes it somewhat easier to meet the standards.

Highmark Data Center (Silver): This 87,000 square foot facility includes office space and 28,000 square feet of raised-floor technical space. The data center in West Hanover, Pa., which opened in November 2005, processes 500,000 claims per day. It was the second LEED data center, and the first to earn a LEED Silver certification.

The U.S. EPA National Computer Center (Silver): This facility in North Carolina's Research Triangle Park provides large-scale computing services for the EPA nationwide. NCC also supports regulatory program offices and administrative activities, as well as advanced supercomputing for scientific research in air quality protection and other environmental studies. A 2007 upgrade added solar panels on the roof.

Digital Realty Trust Chicago Project (Gold): This 20,000 square foot build-to-suit facility within Digital Realty's 350 East Cermak Road carrier hotel became the first data center to be certified for LEED Gold status.

Monsanto Headquarters Data Center: The company spent $21 million building a green data center facility at its headquarters campus in Creve Coeur, Mo. You can check out a time lapse video of the data center construction.

Advanced Data Centers is building a 237,000 square foot data center at McClellan Park on McClellan Air Force Base in Sacramento, California. The USGBC has pre-certified the ADC facility for a LEED score of 50 points, above the 45 points required for LEED Platinum, the highest certification tier.

60 Oxford Street, Cambridge, Mass. is a 9,000 square foot data center on the campus of Harvard University that is LEED-certified and houses the university's Network Operations Center and the Server Operations Center.

Citigroup Data Center in Georgetown, Texas (Austin market). This $450 million facility has received LEED Gold certification, and is one of several new Citigroup facilities designed to achieve LEED status.

Citigroup Frankfurt Data Center achieved LEED Platinum certification. the 230,000 square foot facility features a green roof and green wall. Citi invested $232 million in the construction of the facility.

The American College Testing data center in Iowa City, Iowa has received a LEED Platinum certification. The 8,000 square foot facility uses an unusual geothermal cooling system. 

The Honda North American Data Center in Longmont, Colorado has been awarded a Silver rating. The Longmont data center is a Tier III facility, with a 18,700 square foot computer room will ultimately support 1.6 megawatts of equipment load. The facility uses a flat plate heat exchanger to provide free cooling when the outside temperature allows, reducing the use of chillers for approximately half the year.