Digital Realty

Digital Realty is a publicly traded real estate investment trust focused on data-center infrastructure. Through its facilities and service platforms, the company provides secure space, electrical capacity, cooling, connectivity, and interconnection for enterprises, telecommunications companies, cloud providers, content platforms, financial institutions, and other organizations with substantial digital-infrastructure requirements. Its carrier-neutral model allows customers to connect with multiple network, cloud, internet-exchange, and service providers rather than being tied to one telecommunications operator. The business was established in 2004 by GI Partners, which assembled an initial portfolio of data centers acquired from bankruptcy proceedings and financially distressed owners at discounts to replacement cost. Digital Realty became a public company through an initial public offering on November 4, 2004. At the IPO, the portfolio contained 23 properties totaling approximately 5.6 million square feet. GI Partners had disposed of its remaining shares by March 2007, leaving Digital Realty as an independently traded data-center real estate company. During the 2010s, Digital Realty expanded through both property acquisitions and platform acquisitions. It purchased facilities in the northeastern United States, Atlanta, San Francisco, Minnesota, Arizona, and northern Virginia, while also developing larger campuses. Its 2015 acquisition of Telx added a significant interconnection and colocation platform. The company subsequently acquired European facilities from Equinix, completed its acquisition of DuPont Fabros Technology, purchased Brazilian operator Ascenty, and agreed to acquire Interxion. These transactions broadened the company from a primarily property-oriented data-center landlord into a global provider combining wholesale capacity, retail colocation, cloud connectivity, and interconnection. The company continued international expansion in the 2020s. It moved its planned headquarters from California to Austin, entered West Africa through a controlling investment in Medallion Communications, and acquired a majority stake in South African data-center operator Teraco. As of the reference period in 2023, Digital Realty reported more than 300 facilities across over 25 countries. Its international portfolio is organized around major metropolitan markets and connectivity hubs, where proximity to networks, cloud regions, internet exchanges, and business customers creates demand for highly connected facilities. Sustainability is a major part of Digital Realty's corporate positioning. The company joined the Science Based Targets initiative and committed to reducing operational and value-chain emissions against a 2018 baseline. It is also a signatory to the Climate Neutral Data Centre Pact, a European industry initiative that targets climate neutrality for participating data-center operators by 2030. Digital Realty has contracted approximately one gigawatt of wind and solar projects in several U.S. states and installed smaller solar projects at facilities in Kenya, Greece, Switzerland, and South Korea. The company has stated that its activities avoided approximately 1.8 million metric tons of carbon-dioxide-equivalent emissions in 2022. Digital Realty's present business combines long-term data-center real estate ownership with recurring infrastructure and connectivity services. Its main strategic challenges include the capital intensity of new campuses, energy availability, power costs, water and cooling requirements, environmental regulation, cybersecurity and operational resilience, and the need to support increasingly dense computing workloads. A 2024 battery-room fire at a Singapore facility illustrated the operational risks associated with large-scale power systems, although the company reported that evacuated employees were not injured.

Digital Realty was created in 2004 by GI Partners as a specialized owner and operator of data-center real estate. GI Partners contributed 21 facilities assembled through bankruptcy auctions and purchases from distressed companies, generally at discounts to the cost of replacing the properties. Digital Realty held its initial public offering on November 4, 2004. Its starting public portfolio consisted of 23 properties and about 5.6 million square feet. GI Partners sold all of its shares by March 2007. The company expanded its U.S. portfolio through a series of acquisitions and development projects. In 2006 it bought a Phoenix property for $175 million. In 2010 it acquired three data centers in Massachusetts and Connecticut for $375 million. In 2012 it added a 334,000-square-foot Atlanta-area facility through a leaseback transaction and purchased a San Francisco data center. In 2013 it acquired Delta Air Lines' data center in Eagan, Minnesota, also through a leaseback arrangement, and expanded capacity at its Chandler, Arizona, facility. Digital Realty's platform strategy became more pronounced in the middle of the decade. It sold a Philadelphia building in 2015 and acquired Telx for approximately $1.886 billion, adding retail colocation and interconnection services. The same year, it bought undeveloped land in Loudoun County, Virginia, and announced plans for a large data-center campus. In 2016 it acquired eight European data centers from Equinix. It expanded an Atlanta facility in 2017 and completed the acquisition of DuPont Fabros Technology, increasing its ability to serve large cloud and internet customers. The company also became involved in a significant U.S. Supreme Court employment-law case. In Digital Realty Trust, Inc. v. Somers, the Court held in 2018 that the anti-retaliation protections for whistleblowers under the relevant Dodd-Frank provision applied only to individuals who had reported the alleged securities-law violation to the Securities and Exchange Commission. The case arose after an employee claimed he had been dismissed following internal complaints concerning supervisory controls and cost overruns. The ruling addressed the statutory scope of whistleblower protection rather than establishing a general finding of corporate misconduct. Digital Realty continued its international growth with the 2018 acquisition of Ascenty, a Brazilian data-center operator. In 2019 it announced an agreement to acquire Interxion, a European data-center and interconnection provider, further combining geographically distributed facilities with network-rich colocation services. During this period the company also obtained ENERGY STAR recognition for the energy performance of multiple U.S. facilities. In the 2020s, Digital Realty emphasized sustainability and geographic diversification. It joined the Science Based Targets initiative, setting 2030 emissions objectives based on 2018 levels, and supported the Climate Neutral Data Centre Pact in Europe. It announced a headquarters move to Austin in 2021, entered West Africa through a controlling interest in Medallion Communications, and announced a 55 percent stake in Teraco Data Centres in 2022. In 2023 it received a certificate of conformity associated with the European Climate Neutral Data Centre Pact's self-regulatory requirements. Digital Realty's environmental program includes renewable-energy procurement and development. The company has reported approximately one gigawatt of wind and solar projects under contract in the United States and solar installations at facilities in Kenya, Greece, Switzerland, and South Korea. It has also reported avoiding approximately 1.8 million metric tons of carbon-dioxide-equivalent emissions in 2022. A September 2024 fire at its Loyang facility in Singapore involved lithium-ion batteries in battery rooms. Staff were evacuated without reported injuries, while several customer and cloud services experienced disruption or potential disruption. The incident highlighted the importance of battery safety, redundancy, and operational resilience in modern data-center campuses.

1. 2024Loyang facility fire

   A battery-room fire occurred at a Digital Realty data center in Singapore, prompting evacuation and affecting some customer systems.

   Source
2. 2023Climate Neutral Data Centre Pact conformity certificate

   The company received a certificate associated with adherence to the pact's European self-regulatory initiatives.

   Source
3. 2022Teraco investment

   Digital Realty announced a 55 percent stake acquisition in Teraco Data Centres.

   Source
4. 2021Headquarters relocation announced

   Digital Realty announced that its headquarters would move to Austin, Texas.

   Source
5. 2020Science-based emissions targets

   The company joined the Science Based Targets initiative and announced emissions-reduction commitments.

   Source
6. 2019Interxion transaction announced

   Digital Realty announced an approximately $8.4 billion acquisition of European provider Interxion.

   Source
7. 2018Ascenty acquisition

   Digital Realty acquired Brazilian operator Ascenty, which operated eight facilities at the time.

   Source
8. 2017DuPont Fabros Technology acquisition

   The completed acquisition expanded Digital Realty's data-center portfolio and large-scale customer capacity.

   Source
9. 2016European portfolio expansion

   Digital Realty acquired eight European data centers from Equinix.

   Source
10. 2015Telx acquisition

    The acquisition brought a major interconnection and retail-colocation platform into Digital Realty.

    Source
11. 2007GI Partners exits

    GI Partners had sold all of its shares in Digital Realty by March.

    Source
12. 2004Formation and initial portfolio

    GI Partners formed Digital Realty with a portfolio assembled from distressed and bankruptcy-related data-center transactions.

    Source
13. 2004Initial public offering

    Digital Realty became publicly traded on November 4 with 23 properties totaling approximately 5.6 million square feet.

    Source

Enterprise-grade, carrier-neutral digital infrastructure supporting cloud, network, colocation, and data-intensive workloads.

• Data-center campusesData-center infrastructure

  Large-scale facilities and campuses that provide powered data-center space, resilient electrical systems, cooling, physical security, and operating infrastructure. These sites can support enterprise deployments, cloud regions, telecommunications equipment, and hyperscale workloads. Digital Realty develops and acquires campuses in markets where power, network density, and customer demand support long-term infrastructure investment.

• ColocationData-center services

  Colocation allows customers to install and operate servers, storage, and network equipment in professionally managed Digital Realty facilities. The service can range from dedicated suites and cages to larger wholesale deployments, with customers receiving power, cooling, security, monitoring, and access to multiple network and cloud providers.

• InterconnectionConnectivity services

  Interconnection services link customers to carriers, internet exchanges, cloud platforms, service providers, and other tenants within or across data centers. The carrier-neutral model is intended to give customers network choice and reduce the need to move traffic through a single telecommunications provider. Interconnection became especially prominent in Digital Realty's offering after the Telx and Interxion transactions.

• Cloud connectivityConnectivity services

  Cloud-connectivity offerings provide private or controlled connections between customer infrastructure and public-cloud or digital-service environments. They are designed for organizations seeking predictable performance, security, and lower dependence on the public internet for hybrid-cloud and multicloud architectures.

• 2022Acquire a majority stake in TeracoM&A

  Digital Realty sought to expand its African data-center platform and presence in major regional connectivity markets.

  What changed. The company announced the acquisition of a 55 percent stake in Teraco Data Centres.

  Aftermath. The transaction strengthened Digital Realty's position in Africa through Teraco's established regional facilities.

  Source
• 2020Set science-based emissions targetsStrategy

  Data-center electricity consumption and associated emissions became increasingly important to customers, regulators, and investors.

  What changed. Digital Realty joined the Science Based Targets initiative and committed to reducing Scope 1 and 2 emissions by 68 percent and Scope 3 emissions by 24 percent between 2018 and 2030.

  Aftermath. The commitments formalized the company's sustainability strategy alongside renewable-power procurement and efficiency programs.

  Source
• 2019Acquire InterxionM&A

  Digital Realty aimed to combine its global data-center footprint with Interxion's European colocation and interconnection business.

  What changed. The company announced an agreement valued at approximately $8.4 billion.

  Aftermath. The planned combination positioned the enlarged business as a broader global provider of data-center, colocation, and interconnection services.

  Announced transaction value. Approximately $8.4 billion (October 2019)

  Source
• 2018Acquire AscentyM&A

  Digital Realty pursued expansion in Latin America through a Brazilian data-center operator.

  What changed. The company acquired Ascenty for approximately $1.8 billion.

  Aftermath. Digital Realty gained a larger presence in Brazil, where Ascenty operated eight data centers at the time.

  Acquisition value. Approximately $1.8 billion transaction (December 2018)

  Source
• 2015Acquire TelxM&A

  Digital Realty sought to strengthen its retail colocation and interconnection capabilities in addition to its traditional data-center real-estate business.

  What changed. The company acquired Telx for approximately $1.886 billion.

  Aftermath. The transaction expanded Digital Realty's network-rich colocation and interconnection platform.

  Acquisition value. Approximately $1.886 billion transaction (2015)

  Source

• 2024Singapore data center fire affects customer and cloud systems

  A fire at a Digital Realty facility in Loyang, Singapore, involved lithium-ion batteries in battery rooms. The company reported that employees were evacuated without injuries. Service effects were reported for systems associated with Lazada, ByteDance, Alibaba Cloud, and other technology users.

  Other
  Source
• 2024Fire reported at Digital Realty data center in Singapore

  A fire involving lithium-ion batteries was reported at the Loyang facility. Digital Realty said employees were evacuated without injuries; reports indicated disruption affecting several customers and cloud-service systems.

  Other
  Source
• 2022Digital Realty announces majority investment in Teraco Data Centres

  Digital Realty announced the acquisition of a 55 percent stake in Teraco Data Centres.

  M&A
  Source
• 2021Digital Realty announces headquarters move to Austin

  The company announced that it would move its headquarters to Austin, Texas.

  Other
  Source
• 2021Digital Realty takes a controlling stake in Medallion Communications

  The investment marked the company's entry into the West African data-center market through Nigerian operator Medallion Communications.

  M&A
  Source
• 2020Digital Realty joins the Science Based Targets initiative

  The company announced emissions-reduction commitments covering operational and value-chain emissions.

  Regulation
  Source
• 2019Digital Realty announces acquisition of Interxion

  The proposed transaction was intended to create a larger global provider of data-center, colocation, and interconnection services.

  M&A
  Source
• 2019Digital Realty announces Interxion acquisition

  The announced acquisition was intended to create a larger international provider of data-center, colocation, and interconnection services.

  M&A
  Source
• 2018Digital Realty acquires Ascenty

  Digital Realty acquired Brazilian operator Ascenty, which operated eight data centers at the time.

  M&A
  Source
• 2018Supreme Court rules in Digital Realty Trust whistleblower case

  In Digital Realty Trust, Inc. v. Somers, the Supreme Court held that Dodd–Frank’s anti-retaliation protection for whistleblowers applied to individuals who reported information to the Securities and Exchange Commission.

  LawsuitOther
  Source
• 2017Digital Realty completes the acquisition of DuPont Fabros Technology

  The transaction strengthened the company's U.S. data-center portfolio and hyperscale capacity.

  M&A
  Source
• 2017Digital Realty completes DuPont Fabros Technology acquisition

  The transaction added data-center capacity and strengthened the company’s United States platform.

  M&A
  Source
• 2015Digital Realty acquires Telx

  The acquisition expanded Digital Realty's retail colocation and interconnection capabilities.

  M&A
  Source
• 2004Digital Realty becomes a public company through an initial public offering

  Digital Realty completed its IPO with an initial portfolio of 23 data-center properties.

  Other
  Source
• 2004Digital Realty completes initial public offering

  The company became publicly traded after being formed by GI Partners and initially owning 23 properties.

  Other
  Source

1. Digital Realty
2. Digital Realty official website