Article Dans Une Revue Journal of Energy Research and Reviews Année : 2025

Energy Consumption and Cooling Efficiency Strategies in Data Centers: A Review

Résumé

Data centres require energy to power their computing equipment as well as to maintain proper environmental conditions through their extensive cooling systems. Data centres are a key part of digital infrastructure, but use a lot of energy, especially for cooling and computing. This paper explores energy trends and reviews solutions like CRAC systems, chilled water cooling, and free cooling. It also discusses energy efficiency using measures like Power Usage Effectiveness (PUE) and shows real examples of improvement. The goal is to help design greener, more efficient data centres. The research investigates the main elements that determine energy consumption in data centres. The paper examines two emerging technologies and strategies for decreasing energy usage, which include CRAC systems and free cooling, and chilled water systems. It is estimated that annually in the U.S, the data centres consume roughly 50% of electricity, mainly by the equipment. The cooling needs for Heating, Ventilation, and Air Conditioning (HVAC) are estimated to be up to 40% using computer room air-conditioners to cool down the equipment, such as servers, and other IT equipment in the data centres. This paper discusses the high energy needs of data centres and also reduces energy use by making systems as efficient as possible. Providing sustainable data centres is the energy goal so as to maximise energy from renewable systems. Data centres need a comprehensive strategy that combines operational excellence with environmental responsibility and financial sustainability to enhance their energy efficiency. Future research must create regionally adaptable solutions that reduce data centre environmental impact because digital performance expectations will continue to grow.

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Dates et versions

hal-05124029 , version 1 (21-06-2025)

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Lingamurthy Pokathota. Energy Consumption and Cooling Efficiency Strategies in Data Centers: A Review. Journal of Energy Research and Reviews, 2025, 17 (7), pp.125-133. ⟨10.9734/jenrr/2025/v17i7438⟩. ⟨hal-05124029⟩
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