Global Data Centers NTT DATA

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Rows of cabinets are paired to face each other so that the cool and hot air intakes and exhausts do not mix, which would severely reduce cooling efficiency. Common approaches include hot-aisle/cold-aisle containment and the deployment of in-row cooling units, which position cooling directly between server racks to intercept exhaust heat before it mixes with room air. Typical temperature control methods include air conditioning and indirect cooling, such as the use of outside air, indirect evaporative cooling units, and seawater cooling. Greater primary fuel energy efficiency can be achieved with the use of cogeneration technology, generating electricity, heating, and cooling onsite. As of December 2024update, the mean age of data center facilities had risen to 11.3 years, according to research analyst Jacqueline Davis of the Uptime Institute. Key design elements include providing power for the equipment, temperature and humidity control, cabling, fire safety, and security.

During the 1970s, raised floors became more common because they allow cool air to circulate more efficiently. Hot exhaust pipes/vents/ducts can direct the air into a plenum space above a dropped ceiling and back to the cooling units or to outside vents. Alternatively, a range of underfloor panels can create efficient cold air pathways directed to the raised-floor vented tiles.

Environmental control

A power and cooling analysis, also referred to as a thermal assessment, measures the relative temperatures in specific areas as well as the capacity of the cooling systems to handle specific ambient temperatures. In 2008, the ASHRAE recommended a temperature range of 64.4 °F (18.0 °C) to 80.6 °F (27.0 °C), though some data centers could operate at higher temperatures. The average U.S. data center has a PUE of 2.0, meaning two watts of total power (overhead + IT equipment) https://digitalhotdeal.com/saude-e-fitness/exoskeletons-and-smart-insoles-new-frontiers-in-sports-performance-tech/ for every watt delivered to IT equipment. The most commonly used energy-efficiency metric for data centers is power usage effectiveness (PUE), calculated as the ratio of total power entering the data center to the power used by IT equipment. In 2025, the Mountain Valley Pipeline announced plans to expand its capacity by 25% to meet energy needs for data centers. Power draw ranges from a few kilowatts (kW) for small server racks to several tens of megawatts (MW) for large facilities.

$3 trillion investment required for 100 GW of new supply by 2030

Social mobilizations against data centers help shape the discourse around growth of the industry, raise public awareness of issues data centers present, and may impact public policy. A 2026 systematic review concluded that data centers are a capital-intensive establishment with little labor demand that yield limited economic benefits to local communities while simultaneously increasing pressures on resources and infrastructure. Water is used specifically for space humidification (adding moisture to the air), evaporative cooling systems (cooling air before entering server rooms), and cooling towers (removing heat from the facility). The rapid expansion of AI data centers has raised significant concerns over their water footprint, particularly in drought-prone regions. Data centers have significant impacts on local ecologies, politics, and utility infrastructure. The authors found that annual or volumetric matching did little to cut grid emissions under current U.S. policy.

• As digital transformation continues to accelerate globally, connecting billions of devices, platforms and applications, the need for reliable, secure and efficient IT infrastructure is greater than ever.
• A high-availability data center is estimated to have a 1 MW demand and consume $20 million in electricity over its lifetime, with cooling accounting for 35% to 45% of the data center’s total cost of ownership.
• Dynamic infrastructure provides the ability to intelligently, automatically, and securely move workloads within a data center anytime, anywhere, for migrations, provisioning, to enhance performance, or build colocation centre facilities.
• This article may incorporate text from a large language model, which is prohibited in Wikipedia articles.
• To qualify for the ecolabel, a data center must be within the top quartile in energy efficiency of all reported facilities.

In response, some operators and researchers have proposed 24/7 carbon-free energy matching. It found that about 42% of their reported Scope 2 emissions reductions disappeared once REC-based claims were excluded. In 2022, a study published in Nature Climate Change analyzed 115 companies via the Science Based Targets initiative. The growth of data centers has raised questions about whether the renewable energy commitments made by their operators are consistent with broader climate goals. A separate 2026 review in the MIT Science Policy Review found that growing data center electricity demand can create affordability pressure for households, since infrastructure costs are often passed through in utility bills.

Under this approach, every hour of a facility’s electricity use must be matched with carbon-free generation on the same regional grid. This directly suggests that some corporate climate progress reflected accounting choices rather than actual reductions in grid emissions. In response, several states have adopted tariffs requiring data centers to pay for the grid costs they cause, including the Oregon framework approved for Portland General Electric. The same 2026 Argonne study found that in the PJM Interconnection region, roughly four billion dollars in high-voltage transmission costs tied to data center demand were spread across all utility customers under existing planning rules. Additionally, NERC documented a voltage event in the PJM Interconnection region in July 2024, in which roughly 1,500 megawatts of data center load disconnected simultaneously across about 60 facilities. Congress, estimated that data centers accounted for about 4.4% of national electricity consumption in 2023 and projected a rise to between 6.7% and 12% by 2028, depending on growth scenarios.

Industry standards

Without such tariffs, the cost of new power infrastructure can be paid by households rather than by the data centers whose demand created the need for it. Furthermore, a 2024 commentary in the journal Joule argued that public estimates of future data center electricity use vary widely, that utilities have historically overforecasted load growth, and called for more transparent data https://remedyalliance.com/slack-is-back-and-running-smoothly-so-get-back-to-work-everyone.html on actual facility-level consumption. In 2025, the IEA projected that data centers would account for nearly half of new U.S. electricity demand growth through 2030. In 2025, several states considered legislation to require data centers to disclose water use, including bills in Virginia, California, and New Jersey, although each was vetoed by the state’s governor that year. The audit recommended that local governments be authorized to require water-use estimates as part of the data center permitting process.