Digital Realty Trust's Operational Efficiency Produces Significant Energy Savings for Datacenter Customers Energy Analysis of Digital Realty Trust Properties in San Francisco and Silicon Valley Reveals Integrated Energy Strategy Saves Estimated $6-10 Million in Power Costs Annually; Datacenters Achieve 1.6 PUE at Only 53 Percent Utilization

SAN FRANCISCO, Sept. 2 /PRNewswire/ -- Digital Realty Trust, Inc. (NYSE: DLR), the world's largest wholesale datacenter provider, has conducted an energy efficiency audit of its San Francisco and Silicon Valley properties, which confirms that its energy efficiency initiatives are producing significant cost savings for its customers. The analysis of energy efficiency across all of Digital Realty Trust's Bay Area Turn-Key Datacenters® determined the following:


Overall IT Capacity of Datacenters

20,850 kW

Total Utility Draw

18,060 kW

Current Utilization by Customers

11,236 kW

Current Utilization Rate

53 percent

PUE Rating

1.6

Estimated Power Savings

10,000 kW annually

Estimated Cost Savings

$6-10 million annually




"This is industry-leading energy efficiency for such a large IT load over so many properties, especially when you take into account that customers are only at 53 percent utilization," said Jim Smith, CTO of Digital Realty Trust. "The industry average for datacenter PUE is in the 2.5 range. A PUE of 1.6 is outstanding, and is a tribute to the effectiveness of our energy efficiency and sustainability program. Compared to industry averages, these Turn-Key Datacenters are saving an estimated 10,000 kW a year in electricity usage, which translates into millions of dollars of estimated cost savings for our customers annually."

The datacenter facilities surveyed in this audit utilize a wide range of energy efficiency technologies and best practices, including:

  • Variable frequency drives on fans, pumps and chillers
  • Outside air economization with differential enthalpy control
  • Higher operating temperatures in the datacenters
  • LEED Platinum buildings
  • PowerVu monitoring software
  • Hot and cold aisle containment

Smith added: "This level of performance is a testament to the willingness of our customers to capitalize on the benefits of our integrated energy efficiency strategy. Through the free flow of information between our design, construction and operational teams, we have been able to adopt, perfect and deploy new best practices across our global portfolio of datacenter properties. Continually optimizing our processes and procedures for energy efficiency delivers tangible benefits for our customers, as reflected in the estimated cost savings achieved in our San Francisco and Silicon Valley properties."

About Digital Realty Trust, Inc.

Digital Realty Trust, Inc. owns, acquires, redevelops, develops and manages technology-related real estate. The Company is focused on providing Turn-Key Datacenter® and Powered Base Building® datacenter solutions for domestic and international tenants across a variety of industry verticals ranging from information technology and Internet enterprises, to manufacturing and financial services. Digital Realty Trust's 95 properties, excluding one property held as an investment in an unconsolidated joint venture, contain applications and operations critical to the day-to-day operations of technology industry tenants and corporate enterprise datacenter tenants. Comprising approximately 16.7 million rentable square feet as of August 30, 2010, including 2.1 million square feet of space held for redevelopment, Digital Realty Trust's portfolio is located in 27 markets throughout North America and Europe. For additional information, please visit Digital Realty Trust's website at http://www.digitalrealtytrust.com.

Safe Harbor Statement

This press release contains forward-looking statements which are based on current expectations, forecasts and assumptions that involve risks and uncertainties that could cause actual outcomes and results to differ materially, including statements related to estimated power savings and estimated cost savings. These risks and uncertainties include, among others, the following: the impact of the recent deterioration in global economic, credit and market conditions; current local economic conditions in our geographic markets; decreases in information technology spending, including as a result of economic slowdowns or recession; adverse economic or real estate developments in our industry or the industry sectors that we sell to (including risks relating to decreasing real estate valuations and impairment charges); our dependence upon significant tenants; bankruptcy or insolvency of a major tenant or a significant number of smaller tenants; defaults on or non-renewal of leases by tenants; our failure to obtain necessary debt and equity financing; increased interest rates and operating costs; our failure to repay debt when due or our breach of covenants or other terms contained in our loan facilities and agreements; financial market fluctuations; changes in foreign currency exchange rates; our inability to manage our growth effectively; difficulty acquiring or operating properties in foreign jurisdictions; our failure to successfully operate acquired or redeveloped properties; risks related to joint venture investments, including as a result of our lack of control of such investments; delays or unexpected costs in development or redevelopment of properties; decreased rental rates or increased vacancy rates; increased competition or available supply of data center space; our inability to successfully develop and lease new properties and space held for redevelopment; difficulties in identifying properties to acquire and completing acquisitions; our inability to acquire off-market properties; our inability to comply with the rules and regulations applicable to reporting companies; our failure to maintain our status as a REIT; possible adverse changes to tax laws; restrictions on our ability to engage in certain business activities; environmental uncertainties and risks related to natural disasters; changes in foreign laws and regulations, including those related to taxation and real estate ownership and operation; and changes in real estate and zoning laws and increases in real property tax rates.  For a further list and description of such risks and uncertainties, see the reports and other filings by the Company with the U.S. Securities and Exchange Commission, including the Company's Annual Report on Form 10-K for the year ended December 31, 2009 and the Company's Quarterly Reports on Form 10-Q for the quarters ended March 31, 2010 and June 30, 2010.  The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Turn-Key Datacenter, Powered Base Building and POD Architecture are registered trademarks of Digital Realty Trust.

For Additional Information:



A. William Stein

Pamela A. Matthews

Chief Financial Officer and

Director of Investor Relations

Chief Investment Officer

Digital Realty Trust, Inc.

Digital Realty Trust, Inc.

+1 415-738-6500

+1 415-738-6500




SOURCE Digital Realty Trust, Inc.



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http://www.digitalrealtytrust.com

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